Claude Platform Docs

Create Skill Version

$ ant beta:skills:versions create
POST/v1/skills/{skill_id}/versions

Create Skill Version

Parameters
--skill-id: string

Path param: Unique identifier for the skill.

The format and length of IDs may change over time.

--file: array of string

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.

--beta: optional array of AnthropicBeta

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

Returns
BetaSkillVersionNewResponse: object{ id, created_at, description, 5 more }
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").

Create Skill Version

ant beta:skills:versions create \
  --api-key my-anthropic-api-key \
  --skill-id skill_id \
  --file 'Example 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"
}
Returns Examples
{
  "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"
}