## List Environments

`$ ant beta:environments list`

**get** `/v1/environments`

List environments with pagination support.

### Parameters

- `--include-archived: optional boolean`

  Query param: Include archived environments in the response

- `--limit: optional number`

  Query param: Maximum number of environments to return

- `--page: optional string`

  Query param: Opaque cursor from previous response for pagination. Pass the `next_page` value from the previous response.

- `--beta: optional array of AnthropicBeta`

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

### Returns

- `BetaEnvironmentListResponse: object { data, next_page }`

  Response when listing environments.

  This response model uses opaque cursor-based pagination. Use the `page`
  query parameter with the value from `next_page` to fetch the next page.

  - `data: array of BetaEnvironment`

    List of 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"`

  - `next_page: string`

    Token for fetching the next page of results. If `null`, there are no more results available. Pass this value to the `page` parameter in the next request.

### Example

```cli
ant beta:environments list \
  --api-key my-anthropic-api-key
```

#### Response

```json
{
  "data": [
    {
      "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"
    }
  ],
  "next_page": "page_MjAyNS0wNS0xNFQwMDowMDowMFo="
}
```