loopsmith.netlify.app WebMCP Tools, Schemas & Agent Capabilities

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loopsmith.netlify.app

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

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A browser DAW that exposes WebMCP tools so an agent can compose, arrange and actually measure the mix.

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

add_track

act imperative

Add an instrument track. Kinds: kick, snare, hat (drum synths, pitch ignored), bass, keys, lead (subtractive synths). Returns the new track id.

Input schema

Property	Type	Required	Description
`kind`	string	yes	Instrument type.
`name`	string	no	Display name, defaults to the kind.
`notes`	array	no	Optional starting pattern.

Raw JSON schema

{
  "type": "object",
  "properties": {
    "kind": {
      "type": "string",
      "enum": [
        "kick",
        "snare",
        "hat",
        "bass",
        "keys",
        "lead"
      ],
      "description": "Instrument type."
    },
    "name": {
      "type": "string",
      "description": "Display name, defaults to the kind."
    },
    "notes": {
      "type": "array",
      "description": "Optional starting pattern.",
      "items": {
        "type": "object",
        "properties": {
          "step": {
            "type": "number",
            "description": "Step index, 0-based."
          },
          "midi": {
            "type": "number",
            "description": "MIDI note number, e.g. 60 for C4."
          },
          "note": {
            "type": "string",
            "description": "Alternative to midi, e.g. \"C3\" or \"F#4\"."
          },
          "vel": {
            "type": "number",
            "description": "Velocity 0..1, default 0.85."
          },
          "len": {
            "type": "number",
            "description": "Length in steps, default 1."
          }
        },
        "required": [
          "step"
        ]
      }
    }
  },
  "required": [
    "kind"
  ]
}

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