## 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

- `--config: optional BetaCloudConfigParams or BetaSelfHostedConfigParams`

  Body param: Environment configuration

- `--description: optional string`

  Body param: Optional description of the environment

- `--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 or BetaSelfHostedConfig`

    Environment configuration (either Anthropic Cloud or self-hosted)

    - `beta_cloud_config: object { networking, packages, type }`

      `cloud` environment configuration.

      - `networking: BetaUnrestrictedNetwork or BetaLimitedNetwork`

        Network configuration policy.

        - `beta_unrestricted_network: object { type }`

          Unrestricted network access.

          - `type: "unrestricted"`

            Network policy type

        - `beta_limited_network: object { allow_mcp_servers, allow_package_managers, allowed_hosts, type }`

          Limited network access.

          - `allow_mcp_servers: boolean`

            Permits outbound access to MCP server endpoints configured on the agent, beyond those listed in the `allowed_hosts` array.

          - `allow_package_managers: boolean`

            Permits outbound access to public package registries (PyPI, npm, etc.) beyond those listed in the `allowed_hosts` array.

          - `allowed_hosts: array of string`

            Specifies domains the container can reach.

          - `type: "limited"`

            Network policy type

      - `packages: object { apt, cargo, gem, 4 more }`

        Package manager configuration.

        - `apt: array of string`

          Ubuntu/Debian packages to install

        - `cargo: array of string`

          Rust packages to install

        - `gem: array of string`

          Ruby packages to install

        - `go: array of string`

          Go packages to install

        - `npm: array of string`

          Node.js packages to install

        - `pip: array of string`

          Python packages to install

        - `type: optional "packages"`

          Package configuration type

          - `"packages"`

      - `type: "cloud"`

        Environment type

    - `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

  - `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.

    - `"organization"`

    - `"account"`

### Example

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

#### Response

```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"
}
```
