Create Environment

$ ant beta:environments create

POST/v1/environments

Create a new environment with the specified configuration.

Parameters

--name: string

Body param: Human-readable name for the environment

maxLength256

minLength1

--config: optional BetaCloudConfigParams { type, networking, packages } or BetaSelfHostedConfigParams { type }

Body param: Environment configuration

--description: optional string

Body param: Optional description of the environment

maxLength1024

--metadata: optional map[string]

Body param: User-provided metadata key-value pairs

--scope: optional "organization" or "account"

Body param: The visibility scope for this environment. 'organization' makes the environment visible to all accounts. 'account' restricts visibility to the owning account only. Only applicable for self-hosted environments. If not specified, defaults based on organization type.

--beta: optional array of AnthropicBeta

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

Returns

beta_environment: object{ id, archived_at, config, 7 more }

Unified Environment resource for both cloud and self-hosted environments.

id: string

Environment identifier (e.g., 'env_...')

archived_at: string

RFC 3339 timestamp when environment was archived, or null if not archived

config: BetaCloudConfig { networking, packages, type } or BetaSelfHostedConfig { type }

Environment configuration (either Anthropic Cloud or self-hosted)

One of the following:

beta_cloud_config: object{ networking, packages, type }

cloud environment configuration.

beta_self_hosted_config: object{ type }

Configuration for self-hosted environments.

type: "self_hosted"

Environment type

created_at: string

RFC 3339 timestamp when environment was created

description: string

User-provided description for the environment; null when unset

metadata: map[string]

User-provided metadata key-value pairs

name: string

Human-readable name for the environment

type: "environment"

The type of object (always 'environment')

updated_at: string

RFC 3339 timestamp when environment was last updated

scope: optional "organization" or "account"

The visibility scope for this environment. 'organization' means visible to all accounts. 'account' means visible only to the owning account.

One of the following:

"organization"

"account"

Create Environment

ant beta:environments create \
  --api-key my-anthropic-api-key \
  --name python-data-analysis

{
  "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"
}

Returns Examples

{
  "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"
}