Claude Platform Docs

Criar agente

BetaManagedAgentsAgent Beta.Agents.Create(parameters, cancellationToken = default)
POST/v1/agents

Criar agente

Parameters
AgentCreateParams parameters
required Model model

Body param: Model identifier. Accepts the model string, e.g. claude-opus-5, or a model_config object for additional configuration control

enum BetaManagedAgentsModel

The model that will power your agent.

See models for additional details and options.

ClaudeFable5_1("claude-fable-5-1")

Frontier intelligence for ambitious tasks across coding, scientific discovery, and enterprise workflows

ClaudeSonnet5("claude-sonnet-5")

High-performance model for coding and agents

ClaudeFable5("claude-fable-5")

Next generation of intelligence for the hardest knowledge work and coding problems

ClaudeOpus5("claude-opus-5")

Powerful intelligence for long-running agents and coding

ClaudeOpus4_8("claude-opus-4-8")

Powerful intelligence for long-running agents and coding

ClaudeOpus4_7("claude-opus-4-7")

Powerful intelligence for long-running agents and coding

ClaudeOpus4_6("claude-opus-4-6")

Powerful intelligence for long-running agents and coding

ClaudeSonnet4_6("claude-sonnet-4-6")

Best combination of speed and intelligence

ClaudeHaiku4_5("claude-haiku-4-5")

Fastest model with near-frontier intelligence

ClaudeHaiku4_5_20251001("claude-haiku-4-5-20251001")

Fastest model with near-frontier intelligence

ClaudeOpus4_5("claude-opus-4-5")

Powerful intelligence for long-running agents and coding

ClaudeOpus4_5_20251101("claude-opus-4-5-20251101")

Powerful intelligence for long-running agents and coding

ClaudeSonnet4_5("claude-sonnet-4-5")

High-performance model for agents and coding

ClaudeSonnet4_5_20250929("claude-sonnet-4-5-20250929")

High-performance model for agents and coding

class BetaManagedAgentsModelConfigParams { ID; Effort; InferenceGeo; Speed; }

An object that defines additional configuration control over model use

required string name

Body param: Human-readable name for the agent.

minLength1
maxLength256
string? description

Body param: Description of what the agent does.

maxLength2048
IReadOnlyList<BetaManagedAgentsUrlMcpServerParams> mcpServers

Body param: MCP servers this agent connects to. Maximum 20. Names must be unique within the array. Every server must be referenced by an mcp_toolset in tools; unreferenced servers are rejected. See the MCP connector guide.

required Type Type
required string Name

Unique name for this server, referenced by mcp_toolset configurations. 1-255 characters.

minLength1
maxLength255
required string Url

Endpoint URL for the MCP server.

maxLength2048
IReadOnlyDictionary<string, string> metadata

Body param: Arbitrary key-value metadata. Maximum 16 pairs, keys up to 64 chars, values up to 512 chars.

BetaManagedAgentsMultiagentParams? multiagent

Body param: A coordinator topology: the session's primary thread orchestrates work by spawning session threads, each running an agent drawn from the agents roster.

IReadOnlyList<BetaManagedAgentsSkillParams> skills

Body param: Skills available to the agent.

class BetaManagedAgentsAnthropicSkillParams { Type; SkillID; Version; }

An Anthropic-managed skill.

required Type Type
required string SkillID

Identifier of the Anthropic skill (e.g., "xlsx").

minLength1
maxLength64
string? Version

Version to pin. Defaults to latest if omitted.

minLength1
maxLength64
class BetaManagedAgentsCustomSkillParams { Type; SkillID; Version; }

A user-created custom skill.

required Type Type
required string SkillID

Tagged ID of the custom skill (e.g., "skill_01XJ5...").

minLength1
maxLength64
string? Version

Version to pin. Defaults to latest if omitted.

minLength1
maxLength64
string? system

Body param: System prompt for the agent.

maxLength100000
IReadOnlyList<Tool> tools

Body param: Tool configurations available to the agent. Maximum of 128 tools across all toolsets allowed.

class BetaManagedAgentsAgentToolset20260401Params { Type; Configs; DefaultConfig; }

Configuration for built-in agent tools. Use this to enable or disable groups of tools available to the agent.

class BetaManagedAgentsMcpToolsetParams { Type; McpServerName; Configs; DefaultConfig; }

Configuration for tools from an MCP server defined in mcp_servers.

class BetaManagedAgentsCustomToolParams { Type; Description; InputSchema; Name; }

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.

required Type Type
required string Description

Description of what the tool does, shown to the agent to help it decide when to use the tool.

minLength1
required BetaManagedAgentsCustomToolInputSchema InputSchema

JSON Schema for custom tool input parameters.

JsonElement Type = "object"
IReadOnlyDictionary<string, JsonElement>? Properties
IReadOnlyList<string>? Required
required string Name

Unique name for the tool. 1-128 characters; letters, digits, underscores, and hyphens.

minLength1
maxLength128
IReadOnlyList<AnthropicBeta> betas

Header param: Optional header to specify the beta version(s) you want to use.

MessageBatches2024_09_24("message-batches-2024-09-24")
PromptCaching2024_07_31("prompt-caching-2024-07-31")
ComputerUse2024_10_22("computer-use-2024-10-22")
ComputerUse2025_01_24("computer-use-2025-01-24")
Pdfs2024_09_25("pdfs-2024-09-25")
TokenCounting2024_11_01("token-counting-2024-11-01")
TokenEfficientTools2025_02_19("token-efficient-tools-2025-02-19")
Output128k2025_02_19("output-128k-2025-02-19")
FilesApi2025_04_14("files-api-2025-04-14")
McpClient2025_04_04("mcp-client-2025-04-04")
McpClient2025_11_20("mcp-client-2025-11-20")
DevFullThinking2025_05_14("dev-full-thinking-2025-05-14")
InterleavedThinking2025_05_14("interleaved-thinking-2025-05-14")
CodeExecution2025_05_22("code-execution-2025-05-22")
ExtendedCacheTtl2025_04_11("extended-cache-ttl-2025-04-11")
Context1m2025_08_07("context-1m-2025-08-07")
ContextManagement2025_06_27("context-management-2025-06-27")
ModelContextWindowExceeded2025_08_26("model-context-window-exceeded-2025-08-26")
Skills2025_10_02("skills-2025-10-02")
FastMode2026_02_01("fast-mode-2026-02-01")
Output300k2026_03_24("output-300k-2026-03-24")
UserProfiles2026_03_24("user-profiles-2026-03-24")
UserProfiles2026_08_18("user-profiles-2026-08-18")
UserProfiles2026_09_04("user-profiles-2026-09-04")
AdvisorTool2026_03_01("advisor-tool-2026-03-01")
ManagedAgents2026_04_01("managed-agents-2026-04-01")
CacheDiagnosis2026_04_07("cache-diagnosis-2026-04-07")
Dreaming2026_04_21("dreaming-2026-04-21")
ThinkingTokenCount2026_05_13("thinking-token-count-2026-05-13")
ServerSideFallback2026_06_01("server-side-fallback-2026-06-01")
ServerSideFallback2026_07_01("server-side-fallback-2026-07-01")
FallbackCredit2026_06_01("fallback-credit-2026-06-01")
FallbackCredit2026_07_01("fallback-credit-2026-07-01")
AgentMemory2026_07_22("agent-memory-2026-07-22")
MidConversationToolChanges2026_07_01("mid-conversation-tool-changes-2026-07-01")
Compact2026_01_12("compact-2026-01-12")
ComputerUse2025_11_24("computer-use-2025-11-24")
McpTunnels2026_06_22("mcp-tunnels-2026-06-22")
StructuredOutputs2025_11_13("structured-outputs-2025-11-13")
TaskBudgets2026_03_13("task-budgets-2026-03-13")
ThinkingDisplayUpdates2026_08_18("thinking-display-updates-2026-08-18")
CEUserManagement2026_07_13("ce-user-management-2026-07-13")
MidConversationOutputConfig2026_07_01("mid-conversation-output-config-2026-07-01")
ThinkingBindingControls2026_08_01("thinking-binding-controls-2026-08-01")
MidConversationSystemClearAt2026_08_21("mid-conversation-system-clear-at-2026-08-21")
Compact2026_09_04("compact-2026-09-04")
string workspaceID

Header param: Optional header to select the Workspace for this request. The value is a Workspace ID (for example, wrkspc_011CZkZaBF1tNoB5wlCeusgy).

Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

Returns
class BetaManagedAgentsAgent { Type; ID; ArchivedAt; /* 12 more */ }

A Managed Agents agent.

Criar agente
AgentCreateParams parameters = new()
{
    Model = BetaManagedAgentsModel.ClaudeOpus5,
    Name = "My First Agent",
};

var betaManagedAgentsAgent = await client.Beta.Agents.Create(parameters);

Console.WriteLine(betaManagedAgentsAgent);
Returns Examples
Response 200
{
  "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-opus-5",
    "effort": {
      "type": "low"
    },
    "inference_geo": "inference_geo",
    "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"
          },
          "type": "bash"
        }
      ],
      "default_config": {
        "enabled": true,
        "permission_policy": {
          "type": "always_ask"
        }
      },
      "type": "agent_toolset_20260401"
    }
  ],
  "type": "agent",
  "updated_at": "2026-03-15T10:00:00Z",
  "version": 1
}