---
title: Skills
url: https://platform.claude.com/docs/en/api/cli/skills
---

# Skills

## Create Skill

`$ ant skills create`

**POST** `/v1/skills`

Create Skill

### Parameters

- `--file: array of string`

  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.

- `--display-name: optional string`

  Human-readable, single-line label for the Skill. Maximum 255 characters.
  Always set: derived from the SKILL.md frontmatter `name` when omitted at
  creation. Not unique.

- `--workspace-id: optional string` (header parameter)

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

### Returns

- `skill: object`

  - `type: "skill"`

    Object type.

    For Skills, this is always `"skill"`.

  - `id: string`

    Unique identifier for the skill.

    The format and length of IDs may change over time.

  - `created_at: string`

    ISO 8601 timestamp of when the skill was created.

    format: date-time

  - `display_name: string`

    Human-readable, single-line label for the Skill. Maximum 255 characters.
    Always set: derived from the SKILL.md frontmatter `name` when omitted at
    creation. Not unique.

  - `latest_version_id: string`

    ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version.

  - `source: object`

    Where the Skill comes from.

    Possible values:

    * `"custom"`: authored by the platform user; private to their workspace
    * `"anthropic"`: published by Anthropic; shared and read-only
    * `"anthropic_example"`: Anthropic-published sample Skill
    * `"plugin"`: resolved from an installed plugin

    - `type: "custom" or "anthropic" or "anthropic_example" or "plugin"`

      Where the Skill comes from.

      Possible values:

      * `"custom"`: authored by the platform user; private to their workspace
      * `"anthropic"`: published by Anthropic; shared and read-only
      * `"anthropic_example"`: Anthropic-published sample Skill
      * `"plugin"`: resolved from an installed plugin

      - `"custom"`

      - `"anthropic"`

      - `"anthropic_example"`

      - `"plugin"`

  - `updated_at: string`

    ISO 8601 timestamp of when the skill was last updated.

    format: date-time

### Example

```bash
ant skills create \
  --api-key my-anthropic-api-key \
  --file 'Example data'
```

#### Response (200)

```json
{
  "id": "skill_01JAbcdefghijklmnopqrstuvw",
  "created_at": "2024-10-30T23:58:27.427722Z",
  "display_name": "display_name",
  "latest_version_id": "latest_version_id",
  "source": {
    "type": "custom"
  },
  "type": "skill",
  "updated_at": "2024-10-30T23:58:27.427722Z"
}
```

## List Skills

`$ ant skills list`

**GET** `/v1/skills`

List Skills

### Parameters

- `--limit: optional number` (query parameter)

  Number of results to return per page.

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

  minimum: 1, maximum: 1000

- `--page: optional string` (query parameter)

  Pagination token for fetching a specific page of results.

  Pass the value from a previous response's `next_page` field to get the next page of results.

- `--source: optional string` (query parameter)

  Filter skills by source.

  If provided, only skills from the specified source will be returned:

  * `"custom"`: only return user-created skills
  * `"anthropic"`: only return Anthropic-created skills

- `--workspace-id: optional string` (header parameter)

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

### Returns

- `ListSkillsResponse: object`

  - `data: array of Skill`

    List of skills.

    - `type: "skill"`

      Object type.

      For Skills, this is always `"skill"`.

    - `id: string`

      Unique identifier for the skill.

      The format and length of IDs may change over time.

    - `created_at: string`

      ISO 8601 timestamp of when the skill was created.

      format: date-time

    - `display_name: string`

      Human-readable, single-line label for the Skill. Maximum 255 characters.
      Always set: derived from the SKILL.md frontmatter `name` when omitted at
      creation. Not unique.

    - `latest_version_id: string`

      ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version.

    - `source: object`

      Where the Skill comes from.

      Possible values:

      * `"custom"`: authored by the platform user; private to their workspace
      * `"anthropic"`: published by Anthropic; shared and read-only
      * `"anthropic_example"`: Anthropic-published sample Skill
      * `"plugin"`: resolved from an installed plugin

      - `type: "custom" or "anthropic" or "anthropic_example" or "plugin"`

        Where the Skill comes from.

        Possible values:

        * `"custom"`: authored by the platform user; private to their workspace
        * `"anthropic"`: published by Anthropic; shared and read-only
        * `"anthropic_example"`: Anthropic-published sample Skill
        * `"plugin"`: resolved from an installed plugin

        - `"custom"`

        - `"anthropic"`

        - `"anthropic_example"`

        - `"plugin"`

    - `updated_at: string`

      ISO 8601 timestamp of when the skill was last updated.

      format: date-time

  - `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 to get the next page.

### Example

```bash
ant skills list \
  --api-key my-anthropic-api-key
```

#### Response (200)

```json
{
  "data": [
    {
      "id": "skill_01JAbcdefghijklmnopqrstuvw",
      "created_at": "2024-10-30T23:58:27.427722Z",
      "display_name": "display_name",
      "latest_version_id": "latest_version_id",
      "source": {
        "type": "custom"
      },
      "type": "skill",
      "updated_at": "2024-10-30T23:58:27.427722Z"
    }
  ],
  "next_page": "next_page"
}
```

## Get Skill

`$ ant skills retrieve`

**GET** `/v1/skills/{skill_id}`

Get Skill

### Parameters

- `--skill-id: string` (path parameter)

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `--workspace-id: optional string` (header parameter)

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

### Returns

- `skill: object`

  - `type: "skill"`

    Object type.

    For Skills, this is always `"skill"`.

  - `id: string`

    Unique identifier for the skill.

    The format and length of IDs may change over time.

  - `created_at: string`

    ISO 8601 timestamp of when the skill was created.

    format: date-time

  - `display_name: string`

    Human-readable, single-line label for the Skill. Maximum 255 characters.
    Always set: derived from the SKILL.md frontmatter `name` when omitted at
    creation. Not unique.

  - `latest_version_id: string`

    ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version.

  - `source: object`

    Where the Skill comes from.

    Possible values:

    * `"custom"`: authored by the platform user; private to their workspace
    * `"anthropic"`: published by Anthropic; shared and read-only
    * `"anthropic_example"`: Anthropic-published sample Skill
    * `"plugin"`: resolved from an installed plugin

    - `type: "custom" or "anthropic" or "anthropic_example" or "plugin"`

      Where the Skill comes from.

      Possible values:

      * `"custom"`: authored by the platform user; private to their workspace
      * `"anthropic"`: published by Anthropic; shared and read-only
      * `"anthropic_example"`: Anthropic-published sample Skill
      * `"plugin"`: resolved from an installed plugin

      - `"custom"`

      - `"anthropic"`

      - `"anthropic_example"`

      - `"plugin"`

  - `updated_at: string`

    ISO 8601 timestamp of when the skill was last updated.

    format: date-time

### Example

```bash
ant skills retrieve \
  --api-key my-anthropic-api-key \
  --skill-id skill_id
```

#### Response (200)

```json
{
  "id": "skill_01JAbcdefghijklmnopqrstuvw",
  "created_at": "2024-10-30T23:58:27.427722Z",
  "display_name": "display_name",
  "latest_version_id": "latest_version_id",
  "source": {
    "type": "custom"
  },
  "type": "skill",
  "updated_at": "2024-10-30T23:58:27.427722Z"
}
```

## Delete Skill

`$ ant skills delete`

**DELETE** `/v1/skills/{skill_id}`

Delete Skill

### Parameters

- `--skill-id: string` (path parameter)

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `--workspace-id: optional string` (header parameter)

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

### Returns

- `deleted_skill: object`

  - `type: "skill_deleted"`

    Deleted object type.

    For Skills, this is always `"skill_deleted"`.

  - `id: string`

    Unique identifier for the skill.

    The format and length of IDs may change over time.

### Example

```bash
ant skills delete \
  --api-key my-anthropic-api-key \
  --skill-id skill_id
```

#### Response (200)

```json
{
  "id": "skill_01JAbcdefghijklmnopqrstuvw",
  "type": "skill_deleted"
}
```

## Domain types

### Deleted Skill

- `deleted_skill: object`

  - `type: "skill_deleted"`

    Deleted object type.

    For Skills, this is always `"skill_deleted"`.

  - `id: string`

    Unique identifier for the skill.

    The format and length of IDs may change over time.

### Skill

- `skill: object`

  - `type: "skill"`

    Object type.

    For Skills, this is always `"skill"`.

  - `id: string`

    Unique identifier for the skill.

    The format and length of IDs may change over time.

  - `created_at: string`

    ISO 8601 timestamp of when the skill was created.

    format: date-time

  - `display_name: string`

    Human-readable, single-line label for the Skill. Maximum 255 characters.
    Always set: derived from the SKILL.md frontmatter `name` when omitted at
    creation. Not unique.

  - `latest_version_id: string`

    ID of the newest Skill Version — what `latest` references resolve to. Always set: a Skill holds at least one version.

  - `source: object`

    Where the Skill comes from.

    Possible values:

    * `"custom"`: authored by the platform user; private to their workspace
    * `"anthropic"`: published by Anthropic; shared and read-only
    * `"anthropic_example"`: Anthropic-published sample Skill
    * `"plugin"`: resolved from an installed plugin

    - `type: "custom" or "anthropic" or "anthropic_example" or "plugin"`

      Where the Skill comes from.

      Possible values:

      * `"custom"`: authored by the platform user; private to their workspace
      * `"anthropic"`: published by Anthropic; shared and read-only
      * `"anthropic_example"`: Anthropic-published sample Skill
      * `"plugin"`: resolved from an installed plugin

      - `"custom"`

      - `"anthropic"`

      - `"anthropic_example"`

      - `"plugin"`

  - `updated_at: string`

    ISO 8601 timestamp of when the skill was last updated.

    format: date-time

### Skill Source

- `skill_source: object`

  - `type: "custom" or "anthropic" or "anthropic_example" or "plugin"`

    Where the Skill comes from.

    Possible values:

    * `"custom"`: authored by the platform user; private to their workspace
    * `"anthropic"`: published by Anthropic; shared and read-only
    * `"anthropic_example"`: Anthropic-published sample Skill
    * `"plugin"`: resolved from an installed plugin

    - `"custom"`

    - `"anthropic"`

    - `"anthropic_example"`

    - `"plugin"`

## Skills › Versions

### Create Skill Version

`$ ant skills:versions create`

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

Create Skill Version

#### Parameters

- `--skill-id: string` (path parameter)

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `--file: array of string`

  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.

- `--workspace-id: optional string` (header parameter)

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

#### Returns

- `skill_version: object`

  - `type: "skill_version"`

    Object type.

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

  - `id: string`

    Unique identifier for this Skill Version. The id addresses the version in
    paths and pins it in references.

  - `created_at: string`

    ISO 8601 timestamp of when the skill was created.

    format: date-time

  - `description: string`

    Description of the skill version.

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

  - `name: string`

    The Skill's immutable kebab-case slug, set at creation from the first
    upload's SKILL.md frontmatter `name` (or its enclosing directory). Every
    later upload must resolve to the same value. Also the top-level directory
    of the Skill's mounted files and the base name of a downloaded archive.

  - `skill_id: string`

    Unique identifier for the skill.

    The format and length of IDs may change over time.

#### Example

```bash
ant skills:versions create \
  --api-key my-anthropic-api-key \
  --skill-id skill_id \
  --file 'Example data'
```

##### Response (200)

```json
{
  "id": "id",
  "created_at": "2024-10-30T23:58:27.427722Z",
  "description": "description",
  "name": "name",
  "skill_id": "skill_01JAbcdefghijklmnopqrstuvw",
  "type": "skill_version"
}
```

### List Skill Versions

`$ ant skills:versions list`

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

List Skill Versions

#### Parameters

- `--skill-id: string` (path parameter)

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `--limit: optional number` (query parameter)

  Number of results to return per page.

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

  minimum: 1, maximum: 1000

- `--page: optional string` (query parameter)

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

- `--workspace-id: optional string` (header parameter)

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

#### Returns

- `ListSkillVersionsResponse: object`

  - `data: array of SkillVersion`

    List of skills.

    - `type: "skill_version"`

      Object type.

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

    - `id: string`

      Unique identifier for this Skill Version. The id addresses the version in
      paths and pins it in references.

    - `created_at: string`

      ISO 8601 timestamp of when the skill was created.

      format: date-time

    - `description: string`

      Description of the skill version.

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

    - `name: string`

      The Skill's immutable kebab-case slug, set at creation from the first
      upload's SKILL.md frontmatter `name` (or its enclosing directory). Every
      later upload must resolve to the same value. Also the top-level directory
      of the Skill's mounted files and the base name of a downloaded archive.

    - `skill_id: string`

      Unique identifier for the skill.

      The format and length of IDs may change over time.

  - `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 to get the next page.

#### Example

```bash
ant skills:versions list \
  --api-key my-anthropic-api-key \
  --skill-id skill_id
```

##### Response (200)

```json
{
  "data": [
    {
      "id": "id",
      "created_at": "2024-10-30T23:58:27.427722Z",
      "description": "description",
      "name": "name",
      "skill_id": "skill_01JAbcdefghijklmnopqrstuvw",
      "type": "skill_version"
    }
  ],
  "next_page": "next_page"
}
```

### Get Skill Version

`$ ant skills:versions retrieve`

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

Get Skill Version

#### Parameters

- `--skill-id: string` (path parameter)

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `--version: string` (path parameter)

  Identifies the skill version: a version ID, or the literal `latest` for the skill's most recent version.

  Requests carrying the `skills-2025-10-02` beta header address versions by their Unix epoch timestamp instead (e.g., "1759178010641129").

- `--workspace-id: optional string` (header parameter)

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

#### Returns

- `skill_version: object`

  - `type: "skill_version"`

    Object type.

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

  - `id: string`

    Unique identifier for this Skill Version. The id addresses the version in
    paths and pins it in references.

  - `created_at: string`

    ISO 8601 timestamp of when the skill was created.

    format: date-time

  - `description: string`

    Description of the skill version.

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

  - `name: string`

    The Skill's immutable kebab-case slug, set at creation from the first
    upload's SKILL.md frontmatter `name` (or its enclosing directory). Every
    later upload must resolve to the same value. Also the top-level directory
    of the Skill's mounted files and the base name of a downloaded archive.

  - `skill_id: string`

    Unique identifier for the skill.

    The format and length of IDs may change over time.

#### Example

```bash
ant skills:versions retrieve \
  --api-key my-anthropic-api-key \
  --skill-id skill_id \
  --version version
```

##### Response (200)

```json
{
  "id": "id",
  "created_at": "2024-10-30T23:58:27.427722Z",
  "description": "description",
  "name": "name",
  "skill_id": "skill_01JAbcdefghijklmnopqrstuvw",
  "type": "skill_version"
}
```

### Delete Skill Version

`$ ant skills:versions delete`

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

Delete Skill Version

#### Parameters

- `--skill-id: string` (path parameter)

  Unique identifier for the skill.

  The format and length of IDs may change over time.

- `--version: string` (path parameter)

  Identifies the skill version by its version ID.

  Requests carrying the `skills-2025-10-02` beta header address versions by their Unix epoch timestamp instead (e.g., "1759178010641129").

- `--workspace-id: optional string` (header parameter)

  Optional header to select the Workspace for this request. The value is a Workspace ID (for example, `wrkspc_011CZkZaBF1tNoB5wlCeusgy`).

  Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

#### Returns

- `deleted_skill_version: object`

  - `type: "skill_version_deleted"`

    Deleted object type.

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

  - `id: string`

    Unique identifier for this Skill Version. The id addresses the version in
    paths and pins it in references.

#### Example

```bash
ant skills:versions delete \
  --api-key my-anthropic-api-key \
  --skill-id skill_id \
  --version version
```

##### Response (200)

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