# music_library_cue_handoff

Canonical HTML page: https://bitterclip.com/docs/assistants/tools/music_library_cue_handoff

Surface: app-only

Product release: 1dce717408a55fac1047e7d779177fa3ef8ede51
Public contract commit: 1ce47f7857ae3d9b6933fe83d5c33de3ae5efc64
Public contract SHA-256: 241d47d25e4b4c1dae9d2263793874d06fc4ba7bc3c78d4cf2bc63fbb32ed7dc
Descriptor SHA-256: 885d46f3ca3939dec2ace0cd6e93611c8b3f741f2d8f7a82e0adfe1452cc9a9e
Captured: 2026-09-24T16:39:30.100Z
Source: https://app.bitterclip.com/api/v1/mcp_descriptors.json

App-only durable handoff from a Timeline music range to the account Music Library. Open stores revision and elastic range facts in a server receipt; apply revalidates them and replaces the track through music_cue_mutate. A changed Episode returns a reviewable draft instead of placing stale music.

The JSON blocks below are the exact MCP descriptor projections served by Rails for the named profiles at capture time. Security schemes and resource URIs may vary by connected host.

## App descriptor

```json
{
  "name": "music_library_cue_handoff",
  "title": "Carry a music range through the library",
  "description": "App-only durable handoff from a Timeline music range to the account Music Library. Open stores revision and elastic range facts in a server receipt; apply revalidates them and replaces the track through music_cue_mutate. A changed Episode returns a reviewable draft instead of placing stale music.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "action": {
        "type": "object",
        "description": "One action: {type:\"open\", episode_id, music_id, expected_revision, return_to?, idempotency_key}; {type:\"read\", handoff_id}; or {type:\"apply\", handoff_id, library_entry_id, idempotency_key}."
      }
    },
    "required": [
      "action"
    ],
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": false,
    "destructiveHint": false,
    "idempotentHint": true,
    "openWorldHint": false
  },
  "securitySchemes": [
    {
      "type": "noauth"
    }
  ],
  "_meta": {
    "securitySchemes": [
      {
        "type": "noauth"
      }
    ],
    "ui": {
      "visibility": [
        "app"
      ]
    },
    "openai/widgetAccessible": true,
    "openai/visibility": "private"
  },
  "outputSchema": {
    "type": "object",
    "properties": {
      "state": {
        "type": "string"
      },
      "handoff_id": {
        "type": "string"
      },
      "episode_id": {
        "type": "string"
      },
      "music_id": {
        "type": "string"
      },
      "episode_range": {
        "type": "array",
        "items": {
          "type": "number"
        }
      },
      "applied": {
        "type": "boolean"
      },
      "mutation": {
        "type": "object"
      }
    },
    "required": [],
    "additionalProperties": false
  }
}
```

## Errors

```json
[
  "not_found",
  "invalid_input",
  "stale_composition_revision",
  "idempotency_conflict"
]
```

## Examples

```json
[]
```
