# prefab

> Talos next · Since next

[editor or disk] create {entity, path}: subtree -> prefab file + instance.

apply {instance, paths?, target?}: overrides into the prefab or a chain level. revert {instance, paths?}. unpack {instance|instances, completely?}. list. read {path}.

| | |
|---|---|
| Title | Prefabs |
| Mode |  |
| Token cost | about 194 tokens (listed only when its toolset is enabled) |
| Toolset | `prefabs` |

## Arguments

| Argument | Type | Required | Default | Allowed values | Description |
|---|---|---|---|---|---|
| `action` | `enum` | yes |  | `create`, `apply`, `revert`, `unpack`, `list`, `read` |  |
| `completely` | `boolean` | no |  |  |  |
| `entity` | `string` | no |  |  |  |
| `instance` | `string` | no |  |  |  |
| `instances` | `string[]` | no |  |  |  |
| `path` | `string` | no |  |  |  |
| `paths` | `string[]` | no |  |  |  |
| `save` | `boolean` | no |  |  | `true` saves the scene afterwards. |
| `scene` | `string` | no |  |  | The scene file to act on. The open scene when absent. |
| `target` | `string` | no |  |  |  |

## Example

An MCP `tools/call` with the required arguments (placeholders in angle brackets).

```json
{
  "name": "prefab",
  "arguments": {
    "action": "create"
  }
}
```