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identity_music_beds_generate

Generate identity music bed

App-only Brand/Music Studio generation. Composes a real instrumental music bed with a music model (Lyria 3 Pro by default, or Eleven Music) and materializes it as an account-owned IdentityMusicBed row, with the current project as origin when project_id is given (omit it to bake at the account level from Music Studio). The prompt describes the musical character (genre, instruments, mood, BPM); bed doctrine (instrumental, speech-friendly, loopable) is applied server-side. If provider/storage is unavailable, returns blockers without creating a browser-only library fork.

Surface: App-only

Product release 1dce717408a55fac1047e7d779177fa3ef8ede51
Public contract commit 1ce47f7857ae3d9b6933fe83d5c33de3ae5efc64
Public contract SHA-256 241d47d25e4b4c1dae9d2263793874d06fc4ba7bc3c78d4cf2bc63fbb32ed7dc
Captured 2026-09-24T16:39:30.100Z. Review or improve this contract on GitHub.

These blocks show the complete MCP descriptors captured from serving Rails. Security schemes and resource URIs can differ by connected host.

App descriptor

{
  "name": "identity_music_beds_generate",
  "title": "Generate identity music bed",
  "description": "App-only Brand/Music Studio generation. Composes a real instrumental music bed with a music model (Lyria 3 Pro by default, or Eleven Music) and materializes it as an account-owned IdentityMusicBed row, with the current project as origin when project_id is given (omit it to bake at the account level from Music Studio). The prompt describes the musical character (genre, instruments, mood, BPM); bed doctrine (instrumental, speech-friendly, loopable) is applied server-side. If provider/storage is unavailable, returns blockers without creating a browser-only library fork.",
  "inputSchema": {
    "type": "object",
    "properties": {
      "project_id": {
        "type": "string",
        "description": "Project public ID. Omit to bake at the account level."
      },
      "prompt": {
        "type": "string",
        "description": "Musical character of the bed: genre, instruments, mood, tempo. Instrumental/speech-friendly framing is added automatically."
      },
      "title": {
        "type": "string",
        "description": "Optional display title."
      },
      "duration_seconds": {
        "type": "number",
        "description": "Optional track length in seconds (15-180, default 60)."
      },
      "prompt_influence": {
        "type": "number",
        "description": "Deprecated; ignored by the music providers."
      },
      "family": {
        "type": "string",
        "description": "Optional sound family."
      },
      "provider": {
        "type": "string",
        "enum": [
          "lyria",
          "eleven_music"
        ],
        "description": "Music engine. Defaults to lyria."
      }
    },
    "required": [
      "prompt"
    ],
    "additionalProperties": false
  },
  "annotations": {
    "readOnlyHint": false,
    "destructiveHint": false,
    "idempotentHint": false,
    "openWorldHint": false
  },
  "securitySchemes": [
    {
      "type": "noauth"
    }
  ],
  "_meta": {
    "securitySchemes": [
      {
        "type": "noauth"
      }
    ],
    "ui": {
      "visibility": [
        "app"
      ]
    },
    "openai/widgetAccessible": true,
    "openai/visibility": "private"
  },
  "outputSchema": {
    "type": "object",
    "properties": {
      "generated": {
        "type": "boolean"
      },
      "music_bed": {
        "type": "object"
      },
      "music_beds": {
        "type": "array",
        "items": {
          "type": "object"
        }
      },
      "blockers": {
        "type": "array",
        "items": {
          "type": "object"
        }
      }
    },
    "required": [],
    "additionalProperties": false
  }
}

Errors

[
  "project_not_found",
  "invalid_input",
  "sound_lab_s3_missing",
  "elevenlabs_key_missing",
  "gemini_key_missing"
]

Examples

[]