# Change a runner group

> Rename a runner group, or change which repositories may use it.

<div class="g1t-endpoint"><span class="g1t-method" data-method="patch">PATCH</span><code>/workspaces/{workspace}/actions/runner-groups/{id}</code></div>

Owners only.

- **Authentication:** Required. Send an [access token](/reference/api/#authentication) as `Authorization: Bearer`.
- **MCP tool:** [`workflow`](/reference/mcp/#workflow) with `action` `update_runner_group`, and the same inputs
- **Scope:** An access token needs [`runners:admin`](/guides/authentication/#scopes).

## Path parameters

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `workspace` | string | Yes | The workspace's slug, e.g. "flagon-io". |
| `id` | string | Yes | The group to change, from a list. Left out: a new group. |

## Body parameters

Send a JSON object. Names are `snake_case`, as in responses; the `camelCase` spelling is accepted too.

| Name | Type | Required | Description |
| --- | --- | --- | --- |
| `name` | string | No | What to call it. |
| `repositories` | array of strings | No | Repository names that may use its runners. Empty is every repository in the workspace. |

## Example request

```sh
curl -X PATCH https://api.g1t.sh/workspaces/flagon-io/actions/runner-groups/rng_01kq2m7r2a5d8g1j4m7p0s3v6z \
  -H "Authorization: Bearer $G1T_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "repositories": []
  }'
```

## Example response

A successful request answers `200` with:

```json
{
  "id": "rng_01kq2m7r2a5d8g1j4m7p0s3v6z",
  "name": "GPU",
  "default": false,
  "repositories": [],
  "runners": 1,
  "updated_at": "2026-10-05T11:20:00.000Z"
}
```

## Errors

A failed request answers with one of these statuses and a body like `{"error": {"code": "not_found", "message": "Repository not found."}}`. See [errors](/reference/api/#errors).

| Status | Code | When |
| --- | --- | --- |
| 401 | `unauthenticated` | A token is required, or the one sent is not valid. |
| 403 | `forbidden` | The token is valid but not allowed to do this, such as a member-only change or an agent token outside its repository. |
| 404 | `not_found` | It does not exist, or you cannot see it. |
| 409 | `conflict` | The request conflicts with the current state. |
| 422 | `invalid` | The input is not valid. `message` says which field and why. |