listen-synth.netlify.app WebMCP Tools, Schemas & Agent Capabilities

listen-synth.netlify.app

live Unverified (seed import) Media & Personal 20 tools imperative implementation

A Web Audio synthesizer your AI agent can actually listen to — analyze its own output in real time, then shape the sound with you, in natural language. Accessible sound design for everyone.

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

Answer 5 · Act 15 · Transact 0 · Score: Not yet scored

Tool inspector

compose_pattern

act imperative

Compose a musical loop (bassline / arp / pad / lead) that fits the CURRENT sound you designed. You provide the vibe; this builds a 16-step-per-bar pattern and loads it. Then play_pattern to hear it, and render_to_wav to export it. Call after you're happy with the sound.

Input schema

Property	Type	Required	Description
`vibe`	string	yes	e.g. 'dark techno bassline', 'dreamy arp', 'sparse minimal'
`bars`	integer	no	1-4 bars (default 2)
`root`	integer	no	MIDI root note (default 45 = A2)
`scale`	string	no	—
`bpm`	integer	no	70-180 (default inferred from vibe)
`density`	number	no	0-1, how busy (default from vibe)
`rhythmStyle`	string	no	Pattern archetype (default from vibe)

Raw JSON schema

{
  "type": "object",
  "properties": {
    "vibe": {
      "type": "string",
      "description": "e.g. 'dark techno bassline', 'dreamy arp', 'sparse minimal'"
    },
    "bars": {
      "type": "integer",
      "description": "1-4 bars (default 2)"
    },
    "root": {
      "type": "integer",
      "description": "MIDI root note (default 45 = A2)"
    },
    "scale": {
      "type": "string",
      "enum": [
        "minor",
        "major",
        "dorian",
        "pentatonic",
        "chromatic"
      ]
    },
    "bpm": {
      "type": "integer",
      "description": "70-180 (default inferred from vibe)"
    },
    "density": {
      "type": "number",
      "description": "0-1, how busy (default from vibe)"
    },
    "rhythmStyle": {
      "type": "string",
      "enum": [
        "bass",
        "arp",
        "pad",
        "lead"
      ],
      "description": "Pattern archetype (default from vibe)"
    }
  },
  "required": [
    "vibe"
  ]
}

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