# Versions

## Create Skill Version

`client.beta.skills.versions.create(stringskillID, VersionCreateParamsparams?, RequestOptionsoptions?): VersionCreateResponse`

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

Create Skill Version

### Parameters

- `skillID: string`

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `params: VersionCreateParams`

  - `files?: Array<Uploadable> | null`

    Body param: Files to upload for the skill.

    All files must be in the same top-level directory and must include a SKILL.md file at the root of that directory.

  - `betas?: Array<AnthropicBeta>`

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

    - `(string & {})`

    - `"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

- `VersionCreateResponse`

  - `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

```typescript
import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: process.env['ANTHROPIC_API_KEY'], // This is the default and can be omitted
});

const version = await client.beta.skills.versions.create('skill_id');

console.log(version.id);
```

#### Response

```json
{
  "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"
}
```

## List Skill Versions

`client.beta.skills.versions.list(stringskillID, VersionListParamsparams?, RequestOptionsoptions?): PageCursor<VersionListResponse>`

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

List Skill Versions

### Parameters

- `skillID: string`

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `params: VersionListParams`

  - `limit?: number | null`

    Query param: Number of items to return per page.

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

  - `page?: string | null`

    Query param: Optionally set to the `next_page` token from the previous response.

  - `betas?: Array<AnthropicBeta>`

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

    - `(string & {})`

    - `"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

- `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

```typescript
import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: process.env['ANTHROPIC_API_KEY'], // This is the default and can be omitted
});

// Automatically fetches more pages as needed.
for await (const versionListResponse of client.beta.skills.versions.list('skill_id')) {
  console.log(versionListResponse.id);
}
```

#### 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="
}
```

## Download Skill Version Content

`client.beta.skills.versions.download(stringversion, VersionDownloadParamsparams, RequestOptionsoptions?): Response`

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

Download a skill version's content as a zip archive.

### Parameters

- `version: string`

  Version identifier for the skill.

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

- `params: VersionDownloadParams`

  - `skill_id: string`

    Path param: Unique identifier for the skill.

    The format and length of IDs may change over time.

  - `betas?: Array<AnthropicBeta>`

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

    - `(string & {})`

    - `"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

- `unnamed_schema_3 = Response`

### Example

```typescript
import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: process.env['ANTHROPIC_API_KEY'], // This is the default and can be omitted
});

const response = await client.beta.skills.versions.download('version', { skill_id: 'skill_id' });

console.log(response);

const content = await response.blob();
console.log(content);
```

## Get Skill Version

`client.beta.skills.versions.retrieve(stringversion, VersionRetrieveParamsparams, RequestOptionsoptions?): VersionRetrieveResponse`

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

Get Skill Version

### Parameters

- `version: string`

  Version identifier for the skill.

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

- `params: VersionRetrieveParams`

  - `skill_id: string`

    Path param: Unique identifier for the skill.

    The format and length of IDs may change over time.

  - `betas?: Array<AnthropicBeta>`

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

    - `(string & {})`

    - `"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

- `VersionRetrieveResponse`

  - `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

```typescript
import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: process.env['ANTHROPIC_API_KEY'], // This is the default and can be omitted
});

const version = await client.beta.skills.versions.retrieve('version', { skill_id: 'skill_id' });

console.log(version.id);
```

#### Response

```json
{
  "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"
}
```

## Delete Skill Version

`client.beta.skills.versions.delete(stringversion, VersionDeleteParamsparams, RequestOptionsoptions?): VersionDeleteResponse`

**delete** `/v1/skills/{skill_id}/versions/{version}`

Delete Skill Version

### Parameters

- `version: string`

  Version identifier for the skill.

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

- `params: VersionDeleteParams`

  - `skill_id: string`

    Path param: Unique identifier for the skill.

    The format and length of IDs may change over time.

  - `betas?: Array<AnthropicBeta>`

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

    - `(string & {})`

    - `"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

- `VersionDeleteResponse`

  - `id: string`

    Version identifier for the skill.

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

  - `type: string`

    Deleted object type.

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

### Example

```typescript
import Anthropic from '@anthropic-ai/sdk';

const client = new Anthropic({
  apiKey: process.env['ANTHROPIC_API_KEY'], // This is the default and can be omitted
});

const version = await client.beta.skills.versions.delete('version', { skill_id: 'skill_id' });

console.log(version.id);
```

#### Response

```json
{
  "id": "1759178010641129",
  "type": "type"
}
```

## Domain Types

### Version Create Response

- `VersionCreateResponse`

  - `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").

### Version List Response

- `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").

### Version Retrieve Response

- `VersionRetrieveResponse`

  - `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").

### Version Delete Response

- `VersionDeleteResponse`

  - `id: string`

    Version identifier for the skill.

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

  - `type: string`

    Deleted object type.

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