## List Skill Versions

`beta.skills.versions.list(skill_id, **kwargs) -> PageCursor<VersionListResponse>`

**get** `/v1/skills/{skill_id}/versions`

List Skill Versions

### Parameters

- `skill_id: String`

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `limit: Integer`

  Number of items to return per page.

  Defaults to `20`. Ranges from `1` to `1000`.

- `page: String`

  Optionally set to the `next_page` token from the previous response.

- `betas: Array[AnthropicBeta]`

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

  - `String = String`

  - `AnthropicBeta = :"message-batches-2024-09-24" | :"prompt-caching-2024-07-31" | :"computer-use-2024-10-22" | 25 more`

    - `:"message-batches-2024-09-24"`

    - `:"prompt-caching-2024-07-31"`

    - `:"computer-use-2024-10-22"`

    - `:"computer-use-2025-01-24"`

    - `:"pdfs-2024-09-25"`

    - `:"token-counting-2024-11-01"`

    - `:"token-efficient-tools-2025-02-19"`

    - `:"output-128k-2025-02-19"`

    - `:"files-api-2025-04-14"`

    - `:"mcp-client-2025-04-04"`

    - `:"mcp-client-2025-11-20"`

    - `:"dev-full-thinking-2025-05-14"`

    - `:"interleaved-thinking-2025-05-14"`

    - `:"code-execution-2025-05-22"`

    - `:"extended-cache-ttl-2025-04-11"`

    - `:"context-1m-2025-08-07"`

    - `:"context-management-2025-06-27"`

    - `:"model-context-window-exceeded-2025-08-26"`

    - `:"skills-2025-10-02"`

    - `:"fast-mode-2026-02-01"`

    - `:"output-300k-2026-03-24"`

    - `:"user-profiles-2026-03-24"`

    - `:"advisor-tool-2026-03-01"`

    - `:"managed-agents-2026-04-01"`

    - `:"cache-diagnosis-2026-04-07"`

    - `:"thinking-token-count-2026-05-13"`

    - `:"server-side-fallback-2026-06-01"`

    - `:"fallback-credit-2026-06-01"`

### Returns

- `class VersionListResponse`

  - `id: String`

    Unique identifier for the skill version.

    The format and length of IDs may change over time.

  - `created_at: String`

    ISO 8601 timestamp of when the skill version was created.

  - `description: String`

    Description of the skill version.

    This is extracted from the SKILL.md file in the skill upload.

  - `directory: String`

    Directory name of the skill version.

    This is the top-level directory name that was extracted from the uploaded files.

  - `name: String`

    Human-readable name of the skill version.

    This is extracted from the SKILL.md file in the skill upload.

  - `skill_id: String`

    Identifier for the skill that this version belongs to.

  - `type: String`

    Object type.

    For Skill Versions, this is always `"skill_version"`.

  - `version: String`

    Version identifier for the skill.

    Each version is identified by a Unix epoch timestamp (e.g., "1759178010641129").

### Example

```ruby
require "anthropic"

anthropic = Anthropic::Client.new(api_key: "my-anthropic-api-key")

page = anthropic.beta.skills.versions.list("skill_id")

puts(page)
```

#### Response

```json
{
  "data": [
    {
      "id": "skillver_01JAbcdefghijklmnopqrstuvw",
      "created_at": "2024-10-30T23:58:27.427722Z",
      "description": "A custom skill for doing something useful",
      "directory": "my-skill",
      "name": "my-skill",
      "skill_id": "skill_01JAbcdefghijklmnopqrstuvw",
      "type": "type",
      "version": "1759178010641129"
    }
  ],
  "has_more": true,
  "next_page": "page_MjAyNS0wNS0xNFQwMDowMDowMFo="
}
```