--- title: Create Environment url: https://platform.claude.com/docs/en/api/go/beta/environments/create --- # Create Environment `client.Beta.Environments.New(ctx, params) (*BetaEnvironment, error)` **POST** `/v1/environments` Create a new environment with the specified configuration. ## Parameters - `params BetaEnvironmentNewParams` - `Name string` Human-readable name for the environment minLength: 1, maxLength: 256 - `Config BetaEnvironmentNewParamsConfigUnion Optional` Environment configuration - `type BetaCloudConfigParams` Request params for `cloud` environment configuration. Fields default to null; on update, omitted fields preserve the existing value. - `Type Cloud` Environment type - `Networking BetaCloudConfigParamsNetworkingUnion Optional` Network configuration policy. Omit on update to preserve the existing value. - `type BetaUnrestrictedNetwork` Unrestricted network access. - `Type Unrestricted` Network policy type - `type BetaLimitedNetworkParams` Limited network request params. Fields default to null; on update, omitted fields preserve the existing value. - `Type Limited` Network policy type - `AllowMCPServers bool Optional` Permits outbound access to MCP server endpoints configured on the agent, beyond those listed in the `allowed_hosts` array. Defaults to `false`. - `AllowPackageManagers bool Optional` Permits outbound access to public package registries (PyPI, npm, etc.) beyond those listed in the `allowed_hosts` array. Defaults to `false` on creation. Must be `true` when `packages` are specified. - `AllowedHosts []string Optional` Specifies domains the container can reach. - `Packages BetaPackagesParams Optional` Package manager configuration. Under `limited` networking, requires `networking.allow_package_managers` to be `true`. Omit on update to preserve the existing value. - `Type BetaPackagesParamsType Optional` Package configuration type default: packages - `Apt []string Optional` Ubuntu/Debian packages to install - `Cargo []string Optional` Rust packages to install - `Gem []string Optional` Ruby packages to install - `Go []string Optional` Go packages to install - `Npm []string Optional` Node.js packages to install - `Pip []string Optional` Python packages to install - `type BetaSelfHostedConfigParams` Request params for `self_hosted` environment configuration. - `Type SelfHosted` Environment type - `Description param.Opt[string] Optional` Optional description of the environment maxLength: 1024 - `Metadata map[string, string] Optional` User-provided metadata key-value pairs - `Scope BetaEnvironmentNewParamsScope Optional` The visibility scope for this environment. 'organization' makes the environment visible to all accounts. 'account' restricts visibility to the owning account only. API organizations support only 'organization'; 'account' is rejected. If not specified, defaults based on organization type. - `const BetaEnvironmentNewParamsScopeOrganization BetaEnvironmentNewParamsScope = "organization"` - `const BetaEnvironmentNewParamsScopeAccount BetaEnvironmentNewParamsScope = "account"` - `Betas []AnthropicBeta Optional` (header parameter) Optional header to specify the beta version(s) you want to use. - `const AnthropicBetaMessageBatches2024_09_24 AnthropicBeta = "message-batches-2024-09-24"` - `const AnthropicBetaPromptCaching2024_07_31 AnthropicBeta = "prompt-caching-2024-07-31"` - `const AnthropicBetaComputerUse2024_10_22 AnthropicBeta = "computer-use-2024-10-22"` - `const AnthropicBetaComputerUse2025_01_24 AnthropicBeta = "computer-use-2025-01-24"` - `const AnthropicBetaPDFs2024_09_25 AnthropicBeta = "pdfs-2024-09-25"` - `const AnthropicBetaTokenCounting2024_11_01 AnthropicBeta = "token-counting-2024-11-01"` - `const AnthropicBetaTokenEfficientTools2025_02_19 AnthropicBeta = "token-efficient-tools-2025-02-19"` - `const AnthropicBetaOutput128k2025_02_19 AnthropicBeta = "output-128k-2025-02-19"` - `const AnthropicBetaFilesAPI2025_04_14 AnthropicBeta = "files-api-2025-04-14"` - `const AnthropicBetaMCPClient2025_04_04 AnthropicBeta = "mcp-client-2025-04-04"` - `const AnthropicBetaMCPClient2025_11_20 AnthropicBeta = "mcp-client-2025-11-20"` - `const AnthropicBetaDevFullThinking2025_05_14 AnthropicBeta = "dev-full-thinking-2025-05-14"` - `const AnthropicBetaInterleavedThinking2025_05_14 AnthropicBeta = "interleaved-thinking-2025-05-14"` - `const AnthropicBetaCodeExecution2025_05_22 AnthropicBeta = "code-execution-2025-05-22"` - `const AnthropicBetaExtendedCacheTTL2025_04_11 AnthropicBeta = "extended-cache-ttl-2025-04-11"` - `const AnthropicBetaContext1m2025_08_07 AnthropicBeta = "context-1m-2025-08-07"` - `const AnthropicBetaContextManagement2025_06_27 AnthropicBeta = "context-management-2025-06-27"` - `const AnthropicBetaModelContextWindowExceeded2025_08_26 AnthropicBeta = "model-context-window-exceeded-2025-08-26"` - `const AnthropicBetaSkills2025_10_02 AnthropicBeta = "skills-2025-10-02"` - `const AnthropicBetaFastMode2026_02_01 AnthropicBeta = "fast-mode-2026-02-01"` - `const AnthropicBetaOutput300k2026_03_24 AnthropicBeta = "output-300k-2026-03-24"` - `const AnthropicBetaUserProfiles2026_03_24 AnthropicBeta = "user-profiles-2026-03-24"` - `const AnthropicBetaUserProfiles2026_08_18 AnthropicBeta = "user-profiles-2026-08-18"` - `const AnthropicBetaUserProfiles2026_09_04 AnthropicBeta = "user-profiles-2026-09-04"` - `const AnthropicBetaAdvisorTool2026_03_01 AnthropicBeta = "advisor-tool-2026-03-01"` - `const AnthropicBetaManagedAgents2026_04_01 AnthropicBeta = "managed-agents-2026-04-01"` - `const AnthropicBetaCacheDiagnosis2026_04_07 AnthropicBeta = "cache-diagnosis-2026-04-07"` - `const AnthropicBetaDreaming2026_04_21 AnthropicBeta = "dreaming-2026-04-21"` - `const AnthropicBetaThinkingTokenCount2026_05_13 AnthropicBeta = "thinking-token-count-2026-05-13"` - `const AnthropicBetaServerSideFallback2026_06_01 AnthropicBeta = "server-side-fallback-2026-06-01"` - `const AnthropicBetaServerSideFallback2026_07_01 AnthropicBeta = "server-side-fallback-2026-07-01"` - `const AnthropicBetaFallbackCredit2026_06_01 AnthropicBeta = "fallback-credit-2026-06-01"` - `const AnthropicBetaFallbackCredit2026_07_01 AnthropicBeta = "fallback-credit-2026-07-01"` - `const AnthropicBetaAgentMemory2026_07_22 AnthropicBeta = "agent-memory-2026-07-22"` - `const AnthropicBetaMidConversationToolChanges2026_07_01 AnthropicBeta = "mid-conversation-tool-changes-2026-07-01"` - `const AnthropicBetaCompact2026_01_12 AnthropicBeta = "compact-2026-01-12"` - `const AnthropicBetaComputerUse2025_11_24 AnthropicBeta = "computer-use-2025-11-24"` - `const AnthropicBetaMCPTunnels2026_06_22 AnthropicBeta = "mcp-tunnels-2026-06-22"` - `const AnthropicBetaStructuredOutputs2025_11_13 AnthropicBeta = "structured-outputs-2025-11-13"` - `const AnthropicBetaTaskBudgets2026_03_13 AnthropicBeta = "task-budgets-2026-03-13"` - `const AnthropicBetaThinkingDisplayUpdates2026_08_18 AnthropicBeta = "thinking-display-updates-2026-08-18"` - `const AnthropicBetaCEUserManagement2026_07_13 AnthropicBeta = "ce-user-management-2026-07-13"` - `const AnthropicBetaMidConversationOutputConfig2026_07_01 AnthropicBeta = "mid-conversation-output-config-2026-07-01"` - `const AnthropicBetaThinkingBindingControls2026_08_01 AnthropicBeta = "thinking-binding-controls-2026-08-01"` - `const AnthropicBetaMidConversationSystemClearAt2026_08_21 AnthropicBeta = "mid-conversation-system-clear-at-2026-08-21"` - `const AnthropicBetaCompact2026_09_04 AnthropicBeta = "compact-2026-09-04"` - `const AnthropicBetaInlineTools2026_09_15 AnthropicBeta = "inline-tools-2026-09-15"` - `const AnthropicBetaMCPClient2026_09_15 AnthropicBeta = "mcp-client-2026-09-15"` - `const AnthropicBetaCEPlugins2026_09_01 AnthropicBeta = "ce-plugins-2026-09-01"` - `const AnthropicBetaSpendLimitReads2026_09_26 AnthropicBeta = "spend-limit-reads-2026-09-26"` - `const AnthropicBetaTelemetryDestinations2026_08_11 AnthropicBeta = "telemetry-destinations-2026-08-11"` - `WorkspaceID param.Opt[string] Optional` (header parameter) 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 - `type BetaEnvironment` Unified Environment resource for both cloud and self-hosted environments. - `Type Environment` The type of object (always 'environment') default: environment - `ID string` Environment identifier (e.g., 'env_...') - `ArchivedAt string` RFC 3339 timestamp when environment was archived, or null if not archived - `Config BetaEnvironmentConfigUnion` Environment configuration (either Anthropic Cloud or self-hosted) - `type BetaCloudConfig` `cloud` environment configuration. - `Type Cloud` Environment type - `Networking BetaCloudConfigNetworkingUnion` Network configuration policy. - `type BetaUnrestrictedNetwork` Unrestricted network access. - `Type Unrestricted` Network policy type - `type BetaLimitedNetwork` Limited network access. - `Type Limited` Network policy type - `AllowMCPServers bool` Permits outbound access to MCP server endpoints configured on the agent, beyond those listed in the `allowed_hosts` array. - `AllowPackageManagers bool` Permits outbound access to public package registries (PyPI, npm, etc.) beyond those listed in the `allowed_hosts` array. - `AllowedHosts []string` Specifies domains the container can reach. - `Packages BetaPackages` Package manager configuration. - `Type BetaPackagesType Optional` Package configuration type default: packages - `Apt []string` Ubuntu/Debian packages to install - `Cargo []string` Rust packages to install - `Gem []string` Ruby packages to install - `Go []string` Go packages to install - `Npm []string` Node.js packages to install - `Pip []string` Python packages to install - `type BetaSelfHostedConfig` Configuration for self-hosted environments. - `Type SelfHosted` Environment type - `CreatedAt string` RFC 3339 timestamp when environment was created - `Description string` User-provided description for the environment; null when unset - `Metadata map[string, string]` User-provided metadata key-value pairs - `Name string` Human-readable name for the environment - `UpdatedAt string` RFC 3339 timestamp when environment was last updated - `Scope BetaEnvironmentScope Optional` The visibility scope for this environment. 'organization' means visible to all accounts. 'account' means visible only to the owning account. - `const BetaEnvironmentScopeOrganization BetaEnvironmentScope = "organization"` - `const BetaEnvironmentScopeAccount BetaEnvironmentScope = "account"` ## Example ```go package main import ( "context" "fmt" "github.com/anthropics/anthropic-sdk-go" "github.com/anthropics/anthropic-sdk-go/option" ) func main() { client := anthropic.NewClient( option.WithAPIKey("my-anthropic-api-key"), ) betaEnvironment, err := client.Beta.Environments.New(context.TODO(), anthropic.BetaEnvironmentNewParams{ Name: "python-data-analysis", }) if err != nil { panic(err.Error()) } fmt.Printf("%+v\n", betaEnvironment.ID) } ``` ### Response (200) ```json { "id": "env_011CZkZ9X2dpNyB7HsEFoRfW", "archived_at": null, "config": { "networking": { "allow_mcp_servers": false, "allow_package_managers": true, "allowed_hosts": [ "api.example.com" ], "type": "limited" }, "packages": { "apt": [ "string" ], "cargo": [ "string" ], "gem": [ "string" ], "go": [ "string" ], "npm": [ "string" ], "pip": [ "pandas", "numpy" ], "type": "packages" }, "type": "cloud" }, "created_at": "2026-03-15T10:00:00Z", "description": "Python environment with data-analysis packages.", "metadata": {}, "name": "python-data-analysis", "type": "environment", "updated_at": "2026-03-15T10:00:00Z", "scope": "organization" } ```