duet-webmcp.vercel.app WebMCP Tools, Schemas & Agent Capabilities

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duet-webmcp.vercel.app

live Unverified (seed import) Media & Personal 18 tools imperative implementation

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Compose music together with AI, directly in your browser.

First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com

Answer 4 · Act 14 · Transact 0 · Score: Not yet scored

Tool inspector

propose_variations

act imperative

Use this to let the person choose by ear. Creates 2–3 alternative drafts for the same bars (chords by mood, or bass / pad / counter melody in different styles, or answers to a phrase). Each appears on the page as a lettered option with Listen / Accept / Discard; nothing is written until one is accepted.

Input schema

Property	Type	Required	Description
`kind`	string	yes	—
`startBar`	integer	yes	—
`endBar`	integer	yes	—
`count`	integer	no	—
`moods`	array	no	—
`styles`	array	no	—
`expectedStateVersion`	integer	no	Optional stateVersion you last read; the call is rejected if the person changed the page since.

Raw JSON schema

{
  "type": "object",
  "properties": {
    "kind": {
      "type": "string",
      "enum": [
        "chords",
        "bass",
        "pad",
        "counter_melody",
        "answer"
      ]
    },
    "startBar": {
      "type": "integer",
      "minimum": 0,
      "maximum": 15
    },
    "endBar": {
      "type": "integer",
      "minimum": 1,
      "maximum": 16
    },
    "count": {
      "type": "integer",
      "minimum": 2,
      "maximum": 3
    },
    "moods": {
      "type": "array",
      "minItems": 1,
      "maxItems": 3,
      "items": {
        "type": "string",
        "enum": [
          "happy",
          "sad",
          "dreamy",
          "tense",
          "epic",
          "jazzy",
          "calm"
        ]
      }
    },
    "styles": {
      "type": "array",
      "minItems": 1,
      "maxItems": 3,
      "items": {
        "type": "string",
        "maxLength": 16
      }
    },
    "expectedStateVersion": {
      "type": "integer",
      "minimum": 0,
      "description": "Optional stateVersion you last read; the call is rejected if the person changed the page since."
    }
  },
  "required": [
    "kind",
    "startBar",
    "endBar"
  ],
  "additionalProperties": false
}

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