# Create an Ask skill

> Save a reusable Ask skill: a named prompt the user can run again. Call it only when the user asked for this in the conversation; never on your own initiative.

`ask.create_skill` · write

- **MCP tool:** `ask_create_skill`. Catalog: reach it with `find_actions` and `run_write_action`, or turn on the full toolset.
- **REST:** `POST /v1/ask/create-skill`
- **CLI:** `xholic ask create-skill`
- **Scope:** `write`
- **Plan:** Every plan, including the trial
- **Cost:** Free.
- **Rate limit bucket:** `write`
- **Undo:** from the activity log, which runs `ask.delete_skill`

## Input

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `title` | string ≤ 80 chars | Yes |  |
| `description` | string ≤ 200 chars or null | No |  |
| `prompt` | string ≤ 4000 chars | Yes | What Ask should do when the skill runs, in the user's words. |
| `model` | "luna" \\| "sol" \\| "sonnet" \\| "opus" \\| "astra" \\| "fable" or null | No | Ask model the skill runs on; leave out for the user's default. |
| `account` | string ≤ 64 chars | No | X account to act on, as @handle. Leave it out to use the connection's default account. |
| `dryRun` | boolean | No | Return exactly what would happen without doing it. |
| `idempotencyKey` | string ≤ 200 chars | No | A unique key for this write. Repeating a call with the same key returns the first result instead of acting twice. |