---
title: "Create Skill Version"
method: POST
path: "/v1/skills/{skill_id}/versions"
---

# Create Skill Version

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

## Path parameters

- `skill_id` string, required — Unique identifier for the skill. The format and length of IDs may change over time.

## Headers

- `anthropic-version` string — The version of the Claude API you want to use. Read more about versioning and our version history [here](https://platform.claude.com/docs/en/api/versioning).

## Response `200`

Successful Response

- SkillVersion
  - `created_at` string, date-time, required — ISO 8601 timestamp of when the skill was created.
  - `description` string, required — Description of the skill version. This is extracted from the SKILL.md file in the skill upload.
  - `id` string, required — Unique identifier for this Skill Version. The id addresses the version in paths and pins it in references.
  - `name` string, required — 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, required — Unique identifier for the skill. The format and length of IDs may change over time.
  - `type` 'skill_version', required — Object type. For Skill Versions, this is always `"skill_version"`.

## Other responses

- `4XX` — Error response. See our [errors documentation](https://platform.claude.com/docs/en/api/errors) for more details.

---

[API](https://skmtc.net/anthropics/apis/anthropic-api.md) · [All operations](https://skmtc.net/anthropics/apis/anthropic-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/anthropics/anthropic-api/revisions/0042750ea1ee/schema)