mrinkl.github.io WebMCP Tools, Schemas & Agent Capabilities

mrinkl.github.io

live Unverified (seed import) Media & Personal 15 tools imperative implementation

You play. Your agent arranges. A four-track loop sequencer that exposes its state as WebMCP tools, so ChatGPT or Chrome can add drums, chords and bass under what you just played — and ask your ears…

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

Answer 2 · Act 13 · Transact 0 · Score: Not yet scored

Tool inspector

add_drums

act imperative

Write a whole drum beat (kick, snare or clap, hats, percussion) for all 4 bars from the style tables at a chosen density, with an optional bar-4 fill. Use when the human asks for drums, a beat or a groove; to change one lane use set_drum_steps. Replaces the drum track. Visible in the grid immediately; the loop keeps playing; returns undo_id.

Page: /bandmate/

Input schema

Property	Type	Required	Description
`density`	string	no	Busyness: sparse (kick and snare only), medium (default) or busy (16th hats, ghosts).
`fill`	boolean	no	true (default) adds a snare fill in bar 4; false keeps bar 4 plain.
`style`	string	no	Pattern table to use: lofi, house or synthwave. Defaults to the session style.

Raw JSON schema

{
  "type": "object",
  "properties": {
    "density": {
      "type": "string",
      "enum": [
        "sparse",
        "medium",
        "busy"
      ],
      "description": "Busyness: sparse (kick and snare only), medium (default) or busy (16th hats, ghosts)."
    },
    "fill": {
      "type": "boolean",
      "default": true,
      "description": "true (default) adds a snare fill in bar 4; false keeps bar 4 plain."
    },
    "style": {
      "type": "string",
      "enum": [
        "lofi",
        "house",
        "synthwave"
      ],
      "description": "Pattern table to use: lofi, house or synthwave. Defaults to the session style."
    }
  },
  "required": [],
  "additionalProperties": false
}

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