# Agents ## Create Agent `BetaManagedAgentsAgent beta().agents().create(AgentCreateParamsparams, RequestOptionsrequestOptions = RequestOptions.none())` **post** `/v1/agents` Create Agent ### Parameters - `AgentCreateParams params` - `Optional> betas` Optional header to specify the beta version(s) you want to use. - `MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")` - `PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")` - `COMPUTER_USE_2024_10_22("computer-use-2024-10-22")` - `COMPUTER_USE_2025_01_24("computer-use-2025-01-24")` - `PDFS_2024_09_25("pdfs-2024-09-25")` - `TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")` - `TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")` - `OUTPUT_128K_2025_02_19("output-128k-2025-02-19")` - `FILES_API_2025_04_14("files-api-2025-04-14")` - `MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")` - `MCP_CLIENT_2025_11_20("mcp-client-2025-11-20")` - `DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")` - `INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")` - `CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")` - `EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")` - `CONTEXT_1M_2025_08_07("context-1m-2025-08-07")` - `CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")` - `MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")` - `SKILLS_2025_10_02("skills-2025-10-02")` - `FAST_MODE_2026_02_01("fast-mode-2026-02-01")` - `OUTPUT_300K_2026_03_24("output-300k-2026-03-24")` - `USER_PROFILES_2026_03_24("user-profiles-2026-03-24")` - `ADVISOR_TOOL_2026_03_01("advisor-tool-2026-03-01")` - `MANAGED_AGENTS_2026_04_01("managed-agents-2026-04-01")` - `CACHE_DIAGNOSIS_2026_04_07("cache-diagnosis-2026-04-07")` - `THINKING_TOKEN_COUNT_2026_05_13("thinking-token-count-2026-05-13")` - `Model model` Model identifier. Accepts the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-4-6`, or a `model_config` object for additional configuration control - `enum BetaManagedAgentsModel:` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `class BetaManagedAgentsModelConfigParams:` An object that defines additional configuration control over model use - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `String name` Human-readable name for the agent. 1-256 characters. - `Optional description` Description of what the agent does. Up to 2048 characters. - `Optional> mcpServers` MCP servers this agent connects to. Maximum 20. Names must be unique within the array. - `String name` Unique name for this server, referenced by mcp_toolset configurations. 1-255 characters. - `Type type` - `URL("url")` - `String url` Endpoint URL for the MCP server. - `Optional metadata` Arbitrary key-value metadata. Maximum 16 pairs, keys up to 64 chars, values up to 512 chars. - `Optional multiagent` A coordinator topology: the session's primary thread orchestrates work by spawning session threads, each running an agent drawn from the `agents` roster. - `Optional> skills` Skills available to the agent. Maximum 20. - `class BetaManagedAgentsAnthropicSkillParams:` An Anthropic-managed skill. - `String skillId` Identifier of the Anthropic skill (e.g., "xlsx"). - `Type type` - `ANTHROPIC("anthropic")` - `Optional version` Version to pin. Defaults to latest if omitted. - `class BetaManagedAgentsCustomSkillParams:` A user-created custom skill. - `String skillId` Tagged ID of the custom skill (e.g., "skill_01XJ5..."). - `Type type` - `CUSTOM("custom")` - `Optional version` Version to pin. Defaults to latest if omitted. - `Optional system` System prompt for the agent. Up to 100,000 characters. - `Optional> tools` Tool configurations available to the agent. Maximum of 128 tools across all toolsets allowed. - `class BetaManagedAgentsAgentToolset20260401Params:` Configuration for built-in agent tools. Use this to enable or disable groups of tools available to the agent. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `Optional> configs` Per-tool configuration overrides. - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `Optional enabled` Whether this tool is enabled and available to Claude. Overrides the default_config setting. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `Optional defaultConfig` Default configuration for all tools in a toolset. - `Optional enabled` Whether tools are enabled and available to Claude by default. Defaults to true if not specified. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `class BetaManagedAgentsMcpToolsetParams:` Configuration for tools from an MCP server defined in `mcp_servers`. - `String mcpServerName` Name of the MCP server. Must match a server name from the mcp_servers array. 1-255 characters. - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `Optional> configs` Per-tool configuration overrides. - `String name` Name of the MCP tool to configure. 1-128 characters. - `Optional enabled` Whether this tool is enabled. Overrides the `default_config` setting. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Optional defaultConfig` Default configuration for all tools from an MCP server. - `Optional enabled` Whether tools are enabled by default. Defaults to true if not specified. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `class BetaManagedAgentsCustomToolParams:` A custom tool that is executed by the API client rather than the agent. When the agent calls this tool, an `agent.custom_tool_use` event is emitted and the session goes idle, waiting for the client to provide the result via a `user.custom_tool_result` event. - `String description` Description of what the tool does, shown to the agent to help it decide when to use the tool. 1-1024 characters. - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` Unique name for the tool. 1-128 characters; letters, digits, underscores, and hyphens. - `Type type` - `CUSTOM("custom")` ### Returns - `class BetaManagedAgentsAgent:` A Managed Agents `agent`. - `String id` - `Optional archivedAt` A timestamp in RFC 3339 format - `LocalDateTime createdAt` A timestamp in RFC 3339 format - `Optional description` - `List mcpServers` - `String name` - `Type type` - `URL("url")` - `String url` - `Metadata metadata` - `BetaManagedAgentsModelConfig model` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `Optional multiagent` Resolved coordinator topology with a concrete agent roster. - `List agents` Agents the coordinator may spawn as session threads, each resolved to a specific version. - `String id` - `Type type` - `AGENT("agent")` - `long version` - `Type type` - `COORDINATOR("coordinator")` - `String name` - `List skills` - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` - `Optional system` - `List tools` - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` - `Type type` - `AGENT("agent")` - `LocalDateTime updatedAt` A timestamp in RFC 3339 format - `long version` The agent's current version. Starts at 1 and increments when the agent is modified. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.beta.agents.AgentCreateParams; import com.anthropic.models.beta.agents.BetaManagedAgentsAgent; import com.anthropic.models.beta.agents.BetaManagedAgentsModel; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); AgentCreateParams params = AgentCreateParams.builder() .model(BetaManagedAgentsModel.CLAUDE_SONNET_4_6) .name("My First Agent") .build(); BetaManagedAgentsAgent betaManagedAgentsAgent = client.beta().agents().create(params); } } ``` #### Response ```json { "id": "agent_011CZkYpogX7uDKUyvBTophP", "archived_at": null, "created_at": "2026-03-15T10:00:00Z", "description": "A general-purpose starter agent.", "mcp_servers": [ { "name": "example-mcp", "type": "url", "url": "https://example-server.modelcontextprotocol.io/sse" } ], "metadata": { "foo": "bar" }, "model": { "id": "claude-sonnet-4-6", "speed": "standard" }, "multiagent": { "agents": [ { "id": "agent_011CZkYqphY8vELVzwCUpqiQ", "type": "agent", "version": 1 } ], "type": "coordinator" }, "name": "My First Agent", "skills": [ { "skill_id": "xlsx", "type": "anthropic", "version": "1" }, { "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx", "type": "custom", "version": "2" } ], "system": "You are a general-purpose agent that can research, write code, run commands, and use connected tools to complete the user's task end to end.", "tools": [ { "configs": [ { "enabled": true, "name": "bash", "permission_policy": { "type": "always_allow" } } ], "default_config": { "enabled": true, "permission_policy": { "type": "always_ask" } }, "type": "agent_toolset_20260401" } ], "type": "agent", "updated_at": "2026-03-15T10:00:00Z", "version": 1 } ``` ## List Agents `AgentListPage beta().agents().list(AgentListParamsparams = AgentListParams.none(), RequestOptionsrequestOptions = RequestOptions.none())` **get** `/v1/agents` List Agents ### Parameters - `AgentListParams params` - `Optional createdAtGte` Return agents created at or after this time (inclusive). - `Optional createdAtLte` Return agents created at or before this time (inclusive). - `Optional includeArchived` Include archived agents in results. Defaults to false. - `Optional limit` Maximum results per page. Default 20, maximum 100. - `Optional page` Opaque pagination cursor from a previous response. - `Optional> betas` Optional header to specify the beta version(s) you want to use. - `MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")` - `PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")` - `COMPUTER_USE_2024_10_22("computer-use-2024-10-22")` - `COMPUTER_USE_2025_01_24("computer-use-2025-01-24")` - `PDFS_2024_09_25("pdfs-2024-09-25")` - `TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")` - `TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")` - `OUTPUT_128K_2025_02_19("output-128k-2025-02-19")` - `FILES_API_2025_04_14("files-api-2025-04-14")` - `MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")` - `MCP_CLIENT_2025_11_20("mcp-client-2025-11-20")` - `DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")` - `INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")` - `CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")` - `EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")` - `CONTEXT_1M_2025_08_07("context-1m-2025-08-07")` - `CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")` - `MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")` - `SKILLS_2025_10_02("skills-2025-10-02")` - `FAST_MODE_2026_02_01("fast-mode-2026-02-01")` - `OUTPUT_300K_2026_03_24("output-300k-2026-03-24")` - `USER_PROFILES_2026_03_24("user-profiles-2026-03-24")` - `ADVISOR_TOOL_2026_03_01("advisor-tool-2026-03-01")` - `MANAGED_AGENTS_2026_04_01("managed-agents-2026-04-01")` - `CACHE_DIAGNOSIS_2026_04_07("cache-diagnosis-2026-04-07")` - `THINKING_TOKEN_COUNT_2026_05_13("thinking-token-count-2026-05-13")` ### Returns - `class BetaManagedAgentsAgent:` A Managed Agents `agent`. - `String id` - `Optional archivedAt` A timestamp in RFC 3339 format - `LocalDateTime createdAt` A timestamp in RFC 3339 format - `Optional description` - `List mcpServers` - `String name` - `Type type` - `URL("url")` - `String url` - `Metadata metadata` - `BetaManagedAgentsModelConfig model` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `Optional multiagent` Resolved coordinator topology with a concrete agent roster. - `List agents` Agents the coordinator may spawn as session threads, each resolved to a specific version. - `String id` - `Type type` - `AGENT("agent")` - `long version` - `Type type` - `COORDINATOR("coordinator")` - `String name` - `List skills` - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` - `Optional system` - `List tools` - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` - `Type type` - `AGENT("agent")` - `LocalDateTime updatedAt` A timestamp in RFC 3339 format - `long version` The agent's current version. Starts at 1 and increments when the agent is modified. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.beta.agents.AgentListPage; import com.anthropic.models.beta.agents.AgentListParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); AgentListPage page = client.beta().agents().list(); } } ``` #### Response ```json { "data": [ { "id": "agent_011CZkYpogX7uDKUyvBTophP", "archived_at": null, "created_at": "2026-03-15T10:00:00Z", "description": "A general-purpose starter agent.", "mcp_servers": [ { "name": "example-mcp", "type": "url", "url": "https://example-server.modelcontextprotocol.io/sse" } ], "metadata": { "foo": "bar" }, "model": { "id": "claude-sonnet-4-6", "speed": "standard" }, "multiagent": { "agents": [ { "id": "agent_011CZkYqphY8vELVzwCUpqiQ", "type": "agent", "version": 1 } ], "type": "coordinator" }, "name": "My First Agent", "skills": [ { "skill_id": "xlsx", "type": "anthropic", "version": "1" }, { "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx", "type": "custom", "version": "2" } ], "system": "You are a general-purpose agent that can research, write code, run commands, and use connected tools to complete the user's task end to end.", "tools": [ { "configs": [ { "enabled": true, "name": "bash", "permission_policy": { "type": "always_allow" } } ], "default_config": { "enabled": true, "permission_policy": { "type": "always_ask" } }, "type": "agent_toolset_20260401" } ], "type": "agent", "updated_at": "2026-03-15T10:00:00Z", "version": 1 } ], "next_page": "next_page" } ``` ## Get Agent `BetaManagedAgentsAgent beta().agents().retrieve(AgentRetrieveParamsparams = AgentRetrieveParams.none(), RequestOptionsrequestOptions = RequestOptions.none())` **get** `/v1/agents/{agent_id}` Get Agent ### Parameters - `AgentRetrieveParams params` - `Optional agentId` - `Optional version` Agent version. Omit for the most recent version. Must be at least 1 if specified. - `Optional> betas` Optional header to specify the beta version(s) you want to use. - `MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")` - `PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")` - `COMPUTER_USE_2024_10_22("computer-use-2024-10-22")` - `COMPUTER_USE_2025_01_24("computer-use-2025-01-24")` - `PDFS_2024_09_25("pdfs-2024-09-25")` - `TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")` - `TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")` - `OUTPUT_128K_2025_02_19("output-128k-2025-02-19")` - `FILES_API_2025_04_14("files-api-2025-04-14")` - `MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")` - `MCP_CLIENT_2025_11_20("mcp-client-2025-11-20")` - `DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")` - `INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")` - `CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")` - `EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")` - `CONTEXT_1M_2025_08_07("context-1m-2025-08-07")` - `CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")` - `MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")` - `SKILLS_2025_10_02("skills-2025-10-02")` - `FAST_MODE_2026_02_01("fast-mode-2026-02-01")` - `OUTPUT_300K_2026_03_24("output-300k-2026-03-24")` - `USER_PROFILES_2026_03_24("user-profiles-2026-03-24")` - `ADVISOR_TOOL_2026_03_01("advisor-tool-2026-03-01")` - `MANAGED_AGENTS_2026_04_01("managed-agents-2026-04-01")` - `CACHE_DIAGNOSIS_2026_04_07("cache-diagnosis-2026-04-07")` - `THINKING_TOKEN_COUNT_2026_05_13("thinking-token-count-2026-05-13")` ### Returns - `class BetaManagedAgentsAgent:` A Managed Agents `agent`. - `String id` - `Optional archivedAt` A timestamp in RFC 3339 format - `LocalDateTime createdAt` A timestamp in RFC 3339 format - `Optional description` - `List mcpServers` - `String name` - `Type type` - `URL("url")` - `String url` - `Metadata metadata` - `BetaManagedAgentsModelConfig model` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `Optional multiagent` Resolved coordinator topology with a concrete agent roster. - `List agents` Agents the coordinator may spawn as session threads, each resolved to a specific version. - `String id` - `Type type` - `AGENT("agent")` - `long version` - `Type type` - `COORDINATOR("coordinator")` - `String name` - `List skills` - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` - `Optional system` - `List tools` - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` - `Type type` - `AGENT("agent")` - `LocalDateTime updatedAt` A timestamp in RFC 3339 format - `long version` The agent's current version. Starts at 1 and increments when the agent is modified. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.beta.agents.AgentRetrieveParams; import com.anthropic.models.beta.agents.BetaManagedAgentsAgent; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); BetaManagedAgentsAgent betaManagedAgentsAgent = client.beta().agents().retrieve("agent_011CZkYpogX7uDKUyvBTophP"); } } ``` #### Response ```json { "id": "agent_011CZkYpogX7uDKUyvBTophP", "archived_at": null, "created_at": "2026-03-15T10:00:00Z", "description": "A general-purpose starter agent.", "mcp_servers": [ { "name": "example-mcp", "type": "url", "url": "https://example-server.modelcontextprotocol.io/sse" } ], "metadata": { "foo": "bar" }, "model": { "id": "claude-sonnet-4-6", "speed": "standard" }, "multiagent": { "agents": [ { "id": "agent_011CZkYqphY8vELVzwCUpqiQ", "type": "agent", "version": 1 } ], "type": "coordinator" }, "name": "My First Agent", "skills": [ { "skill_id": "xlsx", "type": "anthropic", "version": "1" }, { "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx", "type": "custom", "version": "2" } ], "system": "You are a general-purpose agent that can research, write code, run commands, and use connected tools to complete the user's task end to end.", "tools": [ { "configs": [ { "enabled": true, "name": "bash", "permission_policy": { "type": "always_allow" } } ], "default_config": { "enabled": true, "permission_policy": { "type": "always_ask" } }, "type": "agent_toolset_20260401" } ], "type": "agent", "updated_at": "2026-03-15T10:00:00Z", "version": 1 } ``` ## Update Agent `BetaManagedAgentsAgent beta().agents().update(AgentUpdateParamsparams, RequestOptionsrequestOptions = RequestOptions.none())` **post** `/v1/agents/{agent_id}` Update Agent ### Parameters - `AgentUpdateParams params` - `Optional agentId` - `Optional> betas` Optional header to specify the beta version(s) you want to use. - `MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")` - `PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")` - `COMPUTER_USE_2024_10_22("computer-use-2024-10-22")` - `COMPUTER_USE_2025_01_24("computer-use-2025-01-24")` - `PDFS_2024_09_25("pdfs-2024-09-25")` - `TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")` - `TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")` - `OUTPUT_128K_2025_02_19("output-128k-2025-02-19")` - `FILES_API_2025_04_14("files-api-2025-04-14")` - `MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")` - `MCP_CLIENT_2025_11_20("mcp-client-2025-11-20")` - `DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")` - `INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")` - `CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")` - `EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")` - `CONTEXT_1M_2025_08_07("context-1m-2025-08-07")` - `CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")` - `MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")` - `SKILLS_2025_10_02("skills-2025-10-02")` - `FAST_MODE_2026_02_01("fast-mode-2026-02-01")` - `OUTPUT_300K_2026_03_24("output-300k-2026-03-24")` - `USER_PROFILES_2026_03_24("user-profiles-2026-03-24")` - `ADVISOR_TOOL_2026_03_01("advisor-tool-2026-03-01")` - `MANAGED_AGENTS_2026_04_01("managed-agents-2026-04-01")` - `CACHE_DIAGNOSIS_2026_04_07("cache-diagnosis-2026-04-07")` - `THINKING_TOKEN_COUNT_2026_05_13("thinking-token-count-2026-05-13")` - `long version` The agent's current version, used to prevent concurrent overwrites. Obtain this value from a create or retrieve response. The request fails if this does not match the server's current version. - `Optional description` Description. Up to 2048 characters. Omit to preserve; send empty string or null to clear. - `Optional> mcpServers` MCP servers. Full replacement. Omit to preserve; send empty array or null to clear. Names must be unique. Maximum 20. - `String name` Unique name for this server, referenced by mcp_toolset configurations. 1-255 characters. - `Type type` - `URL("url")` - `String url` Endpoint URL for the MCP server. - `Optional metadata` Metadata patch. Set a key to a string to upsert it, or to null to delete it. Omit the field to preserve. The stored bag is limited to 16 keys (up to 64 chars each) with values up to 512 chars. - `Optional model` Model identifier. Accepts the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-4-6`, or a `model_config` object for additional configuration control. Omit to preserve. Cannot be cleared. - `enum BetaManagedAgentsModel:` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `class BetaManagedAgentsModelConfigParams:` An object that defines additional configuration control over model use - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `Optional multiagent` A coordinator topology: the session's primary thread orchestrates work by spawning session threads, each running an agent drawn from the `agents` roster. - `Optional name` Human-readable name. 1-256 characters. Omit to preserve. Cannot be cleared. - `Optional> skills` Skills. Full replacement. Omit to preserve; send empty array or null to clear. Maximum 20. - `class BetaManagedAgentsAnthropicSkillParams:` An Anthropic-managed skill. - `String skillId` Identifier of the Anthropic skill (e.g., "xlsx"). - `Type type` - `ANTHROPIC("anthropic")` - `Optional version` Version to pin. Defaults to latest if omitted. - `class BetaManagedAgentsCustomSkillParams:` A user-created custom skill. - `String skillId` Tagged ID of the custom skill (e.g., "skill_01XJ5..."). - `Type type` - `CUSTOM("custom")` - `Optional version` Version to pin. Defaults to latest if omitted. - `Optional system` System prompt. Up to 100,000 characters. Omit to preserve; send empty string or null to clear. - `Optional> tools` Tool configurations available to the agent. Full replacement. Omit to preserve; send empty array or null to clear. Maximum of 128 tools across all toolsets allowed. - `class BetaManagedAgentsAgentToolset20260401Params:` Configuration for built-in agent tools. Use this to enable or disable groups of tools available to the agent. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `Optional> configs` Per-tool configuration overrides. - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `Optional enabled` Whether this tool is enabled and available to Claude. Overrides the default_config setting. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `Optional defaultConfig` Default configuration for all tools in a toolset. - `Optional enabled` Whether tools are enabled and available to Claude by default. Defaults to true if not specified. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `class BetaManagedAgentsMcpToolsetParams:` Configuration for tools from an MCP server defined in `mcp_servers`. - `String mcpServerName` Name of the MCP server. Must match a server name from the mcp_servers array. 1-255 characters. - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `Optional> configs` Per-tool configuration overrides. - `String name` Name of the MCP tool to configure. 1-128 characters. - `Optional enabled` Whether this tool is enabled. Overrides the `default_config` setting. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Optional defaultConfig` Default configuration for all tools from an MCP server. - `Optional enabled` Whether tools are enabled by default. Defaults to true if not specified. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `class BetaManagedAgentsCustomToolParams:` A custom tool that is executed by the API client rather than the agent. When the agent calls this tool, an `agent.custom_tool_use` event is emitted and the session goes idle, waiting for the client to provide the result via a `user.custom_tool_result` event. - `String description` Description of what the tool does, shown to the agent to help it decide when to use the tool. 1-1024 characters. - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` Unique name for the tool. 1-128 characters; letters, digits, underscores, and hyphens. - `Type type` - `CUSTOM("custom")` ### Returns - `class BetaManagedAgentsAgent:` A Managed Agents `agent`. - `String id` - `Optional archivedAt` A timestamp in RFC 3339 format - `LocalDateTime createdAt` A timestamp in RFC 3339 format - `Optional description` - `List mcpServers` - `String name` - `Type type` - `URL("url")` - `String url` - `Metadata metadata` - `BetaManagedAgentsModelConfig model` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `Optional multiagent` Resolved coordinator topology with a concrete agent roster. - `List agents` Agents the coordinator may spawn as session threads, each resolved to a specific version. - `String id` - `Type type` - `AGENT("agent")` - `long version` - `Type type` - `COORDINATOR("coordinator")` - `String name` - `List skills` - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` - `Optional system` - `List tools` - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` - `Type type` - `AGENT("agent")` - `LocalDateTime updatedAt` A timestamp in RFC 3339 format - `long version` The agent's current version. Starts at 1 and increments when the agent is modified. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.beta.agents.AgentUpdateParams; import com.anthropic.models.beta.agents.BetaManagedAgentsAgent; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); AgentUpdateParams params = AgentUpdateParams.builder() .agentId("agent_011CZkYpogX7uDKUyvBTophP") .version(1) .build(); BetaManagedAgentsAgent betaManagedAgentsAgent = client.beta().agents().update(params); } } ``` #### Response ```json { "id": "agent_011CZkYpogX7uDKUyvBTophP", "archived_at": null, "created_at": "2026-03-15T10:00:00Z", "description": "A general-purpose starter agent.", "mcp_servers": [ { "name": "example-mcp", "type": "url", "url": "https://example-server.modelcontextprotocol.io/sse" } ], "metadata": { "foo": "bar" }, "model": { "id": "claude-sonnet-4-6", "speed": "standard" }, "multiagent": { "agents": [ { "id": "agent_011CZkYqphY8vELVzwCUpqiQ", "type": "agent", "version": 1 } ], "type": "coordinator" }, "name": "My First Agent", "skills": [ { "skill_id": "xlsx", "type": "anthropic", "version": "1" }, { "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx", "type": "custom", "version": "2" } ], "system": "You are a general-purpose agent that can research, write code, run commands, and use connected tools to complete the user's task end to end.", "tools": [ { "configs": [ { "enabled": true, "name": "bash", "permission_policy": { "type": "always_allow" } } ], "default_config": { "enabled": true, "permission_policy": { "type": "always_ask" } }, "type": "agent_toolset_20260401" } ], "type": "agent", "updated_at": "2026-03-15T10:00:00Z", "version": 1 } ``` ## Archive Agent `BetaManagedAgentsAgent beta().agents().archive(AgentArchiveParamsparams = AgentArchiveParams.none(), RequestOptionsrequestOptions = RequestOptions.none())` **post** `/v1/agents/{agent_id}/archive` Archive Agent ### Parameters - `AgentArchiveParams params` - `Optional agentId` - `Optional> betas` Optional header to specify the beta version(s) you want to use. - `MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")` - `PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")` - `COMPUTER_USE_2024_10_22("computer-use-2024-10-22")` - `COMPUTER_USE_2025_01_24("computer-use-2025-01-24")` - `PDFS_2024_09_25("pdfs-2024-09-25")` - `TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")` - `TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")` - `OUTPUT_128K_2025_02_19("output-128k-2025-02-19")` - `FILES_API_2025_04_14("files-api-2025-04-14")` - `MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")` - `MCP_CLIENT_2025_11_20("mcp-client-2025-11-20")` - `DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")` - `INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")` - `CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")` - `EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")` - `CONTEXT_1M_2025_08_07("context-1m-2025-08-07")` - `CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")` - `MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")` - `SKILLS_2025_10_02("skills-2025-10-02")` - `FAST_MODE_2026_02_01("fast-mode-2026-02-01")` - `OUTPUT_300K_2026_03_24("output-300k-2026-03-24")` - `USER_PROFILES_2026_03_24("user-profiles-2026-03-24")` - `ADVISOR_TOOL_2026_03_01("advisor-tool-2026-03-01")` - `MANAGED_AGENTS_2026_04_01("managed-agents-2026-04-01")` - `CACHE_DIAGNOSIS_2026_04_07("cache-diagnosis-2026-04-07")` - `THINKING_TOKEN_COUNT_2026_05_13("thinking-token-count-2026-05-13")` ### Returns - `class BetaManagedAgentsAgent:` A Managed Agents `agent`. - `String id` - `Optional archivedAt` A timestamp in RFC 3339 format - `LocalDateTime createdAt` A timestamp in RFC 3339 format - `Optional description` - `List mcpServers` - `String name` - `Type type` - `URL("url")` - `String url` - `Metadata metadata` - `BetaManagedAgentsModelConfig model` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `Optional multiagent` Resolved coordinator topology with a concrete agent roster. - `List agents` Agents the coordinator may spawn as session threads, each resolved to a specific version. - `String id` - `Type type` - `AGENT("agent")` - `long version` - `Type type` - `COORDINATOR("coordinator")` - `String name` - `List skills` - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` - `Optional system` - `List tools` - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` - `Type type` - `AGENT("agent")` - `LocalDateTime updatedAt` A timestamp in RFC 3339 format - `long version` The agent's current version. Starts at 1 and increments when the agent is modified. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.beta.agents.AgentArchiveParams; import com.anthropic.models.beta.agents.BetaManagedAgentsAgent; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); BetaManagedAgentsAgent betaManagedAgentsAgent = client.beta().agents().archive("agent_011CZkYpogX7uDKUyvBTophP"); } } ``` #### Response ```json { "id": "agent_011CZkYpogX7uDKUyvBTophP", "archived_at": null, "created_at": "2026-03-15T10:00:00Z", "description": "A general-purpose starter agent.", "mcp_servers": [ { "name": "example-mcp", "type": "url", "url": "https://example-server.modelcontextprotocol.io/sse" } ], "metadata": { "foo": "bar" }, "model": { "id": "claude-sonnet-4-6", "speed": "standard" }, "multiagent": { "agents": [ { "id": "agent_011CZkYqphY8vELVzwCUpqiQ", "type": "agent", "version": 1 } ], "type": "coordinator" }, "name": "My First Agent", "skills": [ { "skill_id": "xlsx", "type": "anthropic", "version": "1" }, { "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx", "type": "custom", "version": "2" } ], "system": "You are a general-purpose agent that can research, write code, run commands, and use connected tools to complete the user's task end to end.", "tools": [ { "configs": [ { "enabled": true, "name": "bash", "permission_policy": { "type": "always_allow" } } ], "default_config": { "enabled": true, "permission_policy": { "type": "always_ask" } }, "type": "agent_toolset_20260401" } ], "type": "agent", "updated_at": "2026-03-15T10:00:00Z", "version": 1 } ``` ## Domain Types ### Beta Managed Agents Agent - `class BetaManagedAgentsAgent:` A Managed Agents `agent`. - `String id` - `Optional archivedAt` A timestamp in RFC 3339 format - `LocalDateTime createdAt` A timestamp in RFC 3339 format - `Optional description` - `List mcpServers` - `String name` - `Type type` - `URL("url")` - `String url` - `Metadata metadata` - `BetaManagedAgentsModelConfig model` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `Optional multiagent` Resolved coordinator topology with a concrete agent roster. - `List agents` Agents the coordinator may spawn as session threads, each resolved to a specific version. - `String id` - `Type type` - `AGENT("agent")` - `long version` - `Type type` - `COORDINATOR("coordinator")` - `String name` - `List skills` - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` - `Optional system` - `List tools` - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` - `Type type` - `AGENT("agent")` - `LocalDateTime updatedAt` A timestamp in RFC 3339 format - `long version` The agent's current version. Starts at 1 and increments when the agent is modified. ### Beta Managed Agents Agent Reference - `class BetaManagedAgentsAgentReference:` A resolved agent reference with a concrete version. - `String id` - `Type type` - `AGENT("agent")` - `long version` ### Beta Managed Agents Agent Tool Config - `class BetaManagedAgentsAgentToolConfig:` Configuration for a specific agent tool. - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents Agent Tool Config Params - `class BetaManagedAgentsAgentToolConfigParams:` Configuration override for a specific tool within a toolset. - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `Optional enabled` Whether this tool is enabled and available to Claude. Overrides the default_config setting. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents Agent Toolset Default Config - `class BetaManagedAgentsAgentToolsetDefaultConfig:` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents Agent Toolset Default Config Params - `class BetaManagedAgentsAgentToolsetDefaultConfigParams:` Default configuration for all tools in a toolset. - `Optional enabled` Whether tools are enabled and available to Claude by default. Defaults to true if not specified. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents Agent Toolset20260401 - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` ### Beta Managed Agents Agent Toolset20260401 Bash Input - `class BetaManagedAgentsAgentToolset20260401BashInput:` Input payload for the `bash` tool of the `agent_toolset_20260401` toolset. All fields are optional; a normal invocation supplies `command`, while `restart=true` (with no `command`) reboots the runner-side bash session. - `Optional command` Shell command to execute. Omit only when `restart` is true. - `Optional restart` When true, restart the persistent bash session instead of running a command. Subsequent calls without `restart` will run against the fresh session. - `Optional timeoutMs` Per-call timeout in milliseconds. Defaults to the runner-wide tool timeout when omitted or zero. ### Beta Managed Agents Agent Toolset20260401 Edit Input - `class BetaManagedAgentsAgentToolset20260401EditInput:` Input payload for the `edit` tool. Performs a string replacement in the named file; by default `old_string` must occur exactly once. - `String filePath` Path of the file to edit. - `String newString` Replacement text. - `String oldString` Substring to find and replace. - `Optional replaceAll` When true, replace every occurrence of `old_string` instead of requiring a unique match. ### Beta Managed Agents Agent Toolset20260401 Glob Input - `class BetaManagedAgentsAgentToolset20260401GlobInput:` Input payload for the `glob` tool. Returns paths matching a doublestar glob pattern, newest first. - `String pattern` Doublestar glob pattern (e.g. `**/*.go`). Absolute patterns are only permitted when the runner is configured to allow them. - `Optional path` Optional directory root to search under. Defaults to the runner's working directory. ### Beta Managed Agents Agent Toolset20260401 Grep Input - `class BetaManagedAgentsAgentToolset20260401GrepInput:` Input payload for the `grep` tool. Searches file contents for a regular expression, returning matching lines. - `String pattern` Regular expression to search for. - `Optional path` Optional directory root to search under. Defaults to the runner's working directory. ### Beta Managed Agents Agent Toolset20260401 Params - `class BetaManagedAgentsAgentToolset20260401Params:` Configuration for built-in agent tools. Use this to enable or disable groups of tools available to the agent. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `Optional> configs` Per-tool configuration overrides. - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `Optional enabled` Whether this tool is enabled and available to Claude. Overrides the default_config setting. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `Optional defaultConfig` Default configuration for all tools in a toolset. - `Optional enabled` Whether tools are enabled and available to Claude by default. Defaults to true if not specified. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. ### Beta Managed Agents Agent Toolset20260401 Read Input - `class BetaManagedAgentsAgentToolset20260401ReadInput:` Input payload for the `read` tool. Reads file contents relative to the runner's working directory (or absolute when the runner permits). - `String filePath` Path of the file to read. - `Optional> viewRange` Optional `[start_line, end_line]` 1-indexed inclusive range. When omitted the entire file is returned. `end_line` of 0 or negative means "to end of file". ### Beta Managed Agents Agent Toolset20260401 Write Input - `class BetaManagedAgentsAgentToolset20260401WriteInput:` Input payload for the `write` tool. Writes (overwriting) the entire file contents. - `String content` Full file contents to write. - `String filePath` Path of the file to write. ### Beta Managed Agents Always Allow Policy - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` ### Beta Managed Agents Always Ask Policy - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents Anthropic Skill - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` ### Beta Managed Agents Anthropic Skill Params - `class BetaManagedAgentsAnthropicSkillParams:` An Anthropic-managed skill. - `String skillId` Identifier of the Anthropic skill (e.g., "xlsx"). - `Type type` - `ANTHROPIC("anthropic")` - `Optional version` Version to pin. Defaults to latest if omitted. ### Beta Managed Agents Custom Skill - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` ### Beta Managed Agents Custom Skill Params - `class BetaManagedAgentsCustomSkillParams:` A user-created custom skill. - `String skillId` Tagged ID of the custom skill (e.g., "skill_01XJ5..."). - `Type type` - `CUSTOM("custom")` - `Optional version` Version to pin. Defaults to latest if omitted. ### Beta Managed Agents Custom Tool - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` ### Beta Managed Agents Custom Tool Input Schema - `class BetaManagedAgentsCustomToolInputSchema:` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` ### Beta Managed Agents Custom Tool Params - `class BetaManagedAgentsCustomToolParams:` A custom tool that is executed by the API client rather than the agent. When the agent calls this tool, an `agent.custom_tool_use` event is emitted and the session goes idle, waiting for the client to provide the result via a `user.custom_tool_result` event. - `String description` Description of what the tool does, shown to the agent to help it decide when to use the tool. 1-1024 characters. - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` Unique name for the tool. 1-128 characters; letters, digits, underscores, and hyphens. - `Type type` - `CUSTOM("custom")` ### Beta Managed Agents MCP Server URL Definition - `class BetaManagedAgentsMcpServerUrlDefinition:` URL-based MCP server connection as returned in API responses. - `String name` - `Type type` - `URL("url")` - `String url` ### Beta Managed Agents MCP Tool Config - `class BetaManagedAgentsMcpToolConfig:` Resolved configuration for a specific MCP tool. - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents MCP Tool Config Params - `class BetaManagedAgentsMcpToolConfigParams:` Configuration override for a specific MCP tool. - `String name` Name of the MCP tool to configure. 1-128 characters. - `Optional enabled` Whether this tool is enabled. Overrides the `default_config` setting. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents MCP Toolset - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` ### Beta Managed Agents MCP Toolset Default Config - `class BetaManagedAgentsMcpToolsetDefaultConfig:` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents MCP Toolset Default Config Params - `class BetaManagedAgentsMcpToolsetDefaultConfigParams:` Default configuration for all tools from an MCP server. - `Optional enabled` Whether tools are enabled by default. Defaults to true if not specified. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` ### Beta Managed Agents MCP Toolset Params - `class BetaManagedAgentsMcpToolsetParams:` Configuration for tools from an MCP server defined in `mcp_servers`. - `String mcpServerName` Name of the MCP server. Must match a server name from the mcp_servers array. 1-255 characters. - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `Optional> configs` Per-tool configuration overrides. - `String name` Name of the MCP tool to configure. 1-128 characters. - `Optional enabled` Whether this tool is enabled. Overrides the `default_config` setting. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `Optional defaultConfig` Default configuration for all tools from an MCP server. - `Optional enabled` Whether tools are enabled by default. Defaults to true if not specified. - `Optional permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. ### Beta Managed Agents Model - `enum BetaManagedAgentsModel:` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding ### Beta Managed Agents Model Config - `class BetaManagedAgentsModelConfig:` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` ### Beta Managed Agents Model Config Params - `class BetaManagedAgentsModelConfigParams:` An object that defines additional configuration control over model use - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` ### Beta Managed Agents Multiagent Coordinator - `class BetaManagedAgentsMultiagentCoordinator:` Resolved coordinator topology with a concrete agent roster. - `List agents` Agents the coordinator may spawn as session threads, each resolved to a specific version. - `String id` - `Type type` - `AGENT("agent")` - `long version` - `Type type` - `COORDINATOR("coordinator")` ### Beta Managed Agents Multiagent Coordinator Params - `class BetaManagedAgentsMultiagentCoordinatorParams:` A coordinator topology: the session's primary thread orchestrates work by spawning session threads, each running an agent drawn from the `agents` roster. - `List agents` Agents the coordinator may spawn as session threads. 1–20 entries. Each entry is an agent ID string, a versioned `{"type":"agent","id","version"}` reference, or `{"type":"self"}` to allow recursive self-invocation. Entries must reference distinct agents (after resolving `self` and string forms); at most one `self`. Referenced agents must exist, must not be archived, and must not themselves have `multiagent` set (depth limit 1). - `String` - `class BetaManagedAgentsAgentParams:` Specification for an Agent. Provide a specific `version` or use the short-form `agent="agent_id"` for the most recent version - `String id` The `agent` ID. - `Type type` - `AGENT("agent")` - `Optional version` The specific `agent` version to use. Omit to use the latest version. Must be at least 1 if specified. - `class BetaManagedAgentsMultiagentSelfParams:` Sentinel roster entry meaning "the agent that owns this configuration". Resolved server-side to a concrete agent reference. - `Type type` - `SELF("self")` - `Type type` - `COORDINATOR("coordinator")` ### Beta Managed Agents Multiagent Self Params - `class BetaManagedAgentsMultiagentSelfParams:` Sentinel roster entry meaning "the agent that owns this configuration". Resolved server-side to a concrete agent reference. - `Type type` - `SELF("self")` ### Beta Managed Agents Session Thread Agent - `class BetaManagedAgentsSessionThreadAgent:` Resolved `agent` definition for a single `session_thread`. Snapshot of the agent at thread creation time. The multiagent roster is not repeated here; read it from `Session.agent`. - `String id` - `Optional description` - `List mcpServers` - `String name` - `Type type` - `URL("url")` - `String url` - `BetaManagedAgentsModelConfig model` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `String name` - `List skills` - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` - `Optional system` - `List tools` - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` - `Type type` - `AGENT("agent")` - `long version` ### Beta Managed Agents Skill Params - `class BetaManagedAgentsSkillParams: A class that can be one of several variants.union` Skill to load in the session container. - `class BetaManagedAgentsAnthropicSkillParams:` An Anthropic-managed skill. - `String skillId` Identifier of the Anthropic skill (e.g., "xlsx"). - `Type type` - `ANTHROPIC("anthropic")` - `Optional version` Version to pin. Defaults to latest if omitted. - `class BetaManagedAgentsCustomSkillParams:` A user-created custom skill. - `String skillId` Tagged ID of the custom skill (e.g., "skill_01XJ5..."). - `Type type` - `CUSTOM("custom")` - `Optional version` Version to pin. Defaults to latest if omitted. ### Beta Managed Agents URL MCP Server Params - `class BetaManagedAgentsUrlMcpServerParams:` URL-based MCP server connection. - `String name` Unique name for this server, referenced by mcp_toolset configurations. 1-255 characters. - `Type type` - `URL("url")` - `String url` Endpoint URL for the MCP server. # Versions ## List Agent Versions `VersionListPage beta().agents().versions().list(VersionListParamsparams = VersionListParams.none(), RequestOptionsrequestOptions = RequestOptions.none())` **get** `/v1/agents/{agent_id}/versions` List Agent Versions ### Parameters - `VersionListParams params` - `Optional agentId` - `Optional limit` Maximum results per page. Default 20, maximum 100. - `Optional page` Opaque pagination cursor. - `Optional> betas` Optional header to specify the beta version(s) you want to use. - `MESSAGE_BATCHES_2024_09_24("message-batches-2024-09-24")` - `PROMPT_CACHING_2024_07_31("prompt-caching-2024-07-31")` - `COMPUTER_USE_2024_10_22("computer-use-2024-10-22")` - `COMPUTER_USE_2025_01_24("computer-use-2025-01-24")` - `PDFS_2024_09_25("pdfs-2024-09-25")` - `TOKEN_COUNTING_2024_11_01("token-counting-2024-11-01")` - `TOKEN_EFFICIENT_TOOLS_2025_02_19("token-efficient-tools-2025-02-19")` - `OUTPUT_128K_2025_02_19("output-128k-2025-02-19")` - `FILES_API_2025_04_14("files-api-2025-04-14")` - `MCP_CLIENT_2025_04_04("mcp-client-2025-04-04")` - `MCP_CLIENT_2025_11_20("mcp-client-2025-11-20")` - `DEV_FULL_THINKING_2025_05_14("dev-full-thinking-2025-05-14")` - `INTERLEAVED_THINKING_2025_05_14("interleaved-thinking-2025-05-14")` - `CODE_EXECUTION_2025_05_22("code-execution-2025-05-22")` - `EXTENDED_CACHE_TTL_2025_04_11("extended-cache-ttl-2025-04-11")` - `CONTEXT_1M_2025_08_07("context-1m-2025-08-07")` - `CONTEXT_MANAGEMENT_2025_06_27("context-management-2025-06-27")` - `MODEL_CONTEXT_WINDOW_EXCEEDED_2025_08_26("model-context-window-exceeded-2025-08-26")` - `SKILLS_2025_10_02("skills-2025-10-02")` - `FAST_MODE_2026_02_01("fast-mode-2026-02-01")` - `OUTPUT_300K_2026_03_24("output-300k-2026-03-24")` - `USER_PROFILES_2026_03_24("user-profiles-2026-03-24")` - `ADVISOR_TOOL_2026_03_01("advisor-tool-2026-03-01")` - `MANAGED_AGENTS_2026_04_01("managed-agents-2026-04-01")` - `CACHE_DIAGNOSIS_2026_04_07("cache-diagnosis-2026-04-07")` - `THINKING_TOKEN_COUNT_2026_05_13("thinking-token-count-2026-05-13")` ### Returns - `class BetaManagedAgentsAgent:` A Managed Agents `agent`. - `String id` - `Optional archivedAt` A timestamp in RFC 3339 format - `LocalDateTime createdAt` A timestamp in RFC 3339 format - `Optional description` - `List mcpServers` - `String name` - `Type type` - `URL("url")` - `String url` - `Metadata metadata` - `BetaManagedAgentsModelConfig model` Model identifier and configuration. - `BetaManagedAgentsModel id` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `CLAUDE_OPUS_4_8("claude-opus-4-8")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_7("claude-opus-4-7")` Frontier intelligence for long-running agents and coding - `CLAUDE_OPUS_4_6("claude-opus-4-6")` Most intelligent model for building agents and coding - `CLAUDE_SONNET_4_6("claude-sonnet-4-6")` Best combination of speed and intelligence - `CLAUDE_HAIKU_4_5("claude-haiku-4-5")` Fastest model with near-frontier intelligence - `CLAUDE_HAIKU_4_5_20251001("claude-haiku-4-5-20251001")` Fastest model with near-frontier intelligence - `CLAUDE_OPUS_4_5("claude-opus-4-5")` Premium model combining maximum intelligence with practical performance - `CLAUDE_OPUS_4_5_20251101("claude-opus-4-5-20251101")` Premium model combining maximum intelligence with practical performance - `CLAUDE_SONNET_4_5("claude-sonnet-4-5")` High-performance model for agents and coding - `CLAUDE_SONNET_4_5_20250929("claude-sonnet-4-5-20250929")` High-performance model for agents and coding - `Optional speed` Inference speed mode. `fast` provides significantly faster output token generation at premium pricing. Not all models support `fast`; invalid combinations are rejected at create time. - `STANDARD("standard")` - `FAST("fast")` - `Optional multiagent` Resolved coordinator topology with a concrete agent roster. - `List agents` Agents the coordinator may spawn as session threads, each resolved to a specific version. - `String id` - `Type type` - `AGENT("agent")` - `long version` - `Type type` - `COORDINATOR("coordinator")` - `String name` - `List skills` - `class BetaManagedAgentsAnthropicSkill:` A resolved Anthropic-managed skill. - `String skillId` - `Type type` - `ANTHROPIC("anthropic")` - `String version` - `class BetaManagedAgentsCustomSkill:` A resolved user-created custom skill. - `String skillId` - `Type type` - `CUSTOM("custom")` - `String version` - `Optional system` - `List tools` - `class BetaManagedAgentsAgentToolset20260401:` - `List configs` - `boolean enabled` - `Name name` Built-in agent tool identifier. - `BASH("bash")` - `EDIT("edit")` - `READ("read")` - `WRITE("write")` - `GLOB("glob")` - `GREP("grep")` - `WEB_FETCH("web_fetch")` - `WEB_SEARCH("web_search")` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `Type type` - `ALWAYS_ALLOW("always_allow")` - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `ALWAYS_ASK("always_ask")` - `BetaManagedAgentsAgentToolsetDefaultConfig defaultConfig` Resolved default configuration for agent tools. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `Type type` - `AGENT_TOOLSET_20260401("agent_toolset_20260401")` - `class BetaManagedAgentsMcpToolset:` - `List configs` - `boolean enabled` - `String name` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `BetaManagedAgentsMcpToolsetDefaultConfig defaultConfig` Resolved default configuration for all tools from an MCP server. - `boolean enabled` - `PermissionPolicy permissionPolicy` Permission policy for tool execution. - `class BetaManagedAgentsAlwaysAllowPolicy:` Tool calls are automatically approved without user confirmation. - `class BetaManagedAgentsAlwaysAskPolicy:` Tool calls require user confirmation before execution. - `String mcpServerName` - `Type type` - `MCP_TOOLSET("mcp_toolset")` - `class BetaManagedAgentsCustomTool:` A custom tool as returned in API responses. - `String description` - `BetaManagedAgentsCustomToolInputSchema inputSchema` JSON Schema for custom tool input parameters. - `Optional properties` JSON Schema properties defining the tool's input parameters. - `Optional> required` List of required property names. - `Optional type` Must be 'object' for tool input schemas. - `OBJECT("object")` - `String name` - `Type type` - `CUSTOM("custom")` - `Type type` - `AGENT("agent")` - `LocalDateTime updatedAt` A timestamp in RFC 3339 format - `long version` The agent's current version. Starts at 1 and increments when the agent is modified. ### Example ```java package com.anthropic.example; import com.anthropic.client.AnthropicClient; import com.anthropic.client.okhttp.AnthropicOkHttpClient; import com.anthropic.models.beta.agents.versions.VersionListPage; import com.anthropic.models.beta.agents.versions.VersionListParams; public final class Main { private Main() {} public static void main(String[] args) { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); VersionListPage page = client.beta().agents().versions().list("agent_011CZkYpogX7uDKUyvBTophP"); } } ``` #### Response ```json { "data": [ { "id": "agent_011CZkYpogX7uDKUyvBTophP", "archived_at": null, "created_at": "2026-03-15T10:00:00Z", "description": "A general-purpose starter agent.", "mcp_servers": [ { "name": "example-mcp", "type": "url", "url": "https://example-server.modelcontextprotocol.io/sse" } ], "metadata": { "foo": "bar" }, "model": { "id": "claude-sonnet-4-6", "speed": "standard" }, "multiagent": { "agents": [ { "id": "agent_011CZkYqphY8vELVzwCUpqiQ", "type": "agent", "version": 1 } ], "type": "coordinator" }, "name": "My First Agent", "skills": [ { "skill_id": "xlsx", "type": "anthropic", "version": "1" }, { "skill_id": "skill_011CZkZFNu9hAbo3jZPRgTlx", "type": "custom", "version": "2" } ], "system": "You are a general-purpose agent that can research, write code, run commands, and use connected tools to complete the user's task end to end.", "tools": [ { "configs": [ { "enabled": true, "name": "bash", "permission_policy": { "type": "always_allow" } } ], "default_config": { "enabled": true, "permission_policy": { "type": "always_ask" } }, "type": "agent_toolset_20260401" } ], "type": "agent", "updated_at": "2026-03-15T10:00:00Z", "version": 1 } ], "next_page": "next_page" } ```