cosynth.vercel.app WebMCP Tools, Schemas & Agent Capabilities

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cosynth.vercel.app

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A synthesizer you control by talking to AI.

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

Answer 8 · Act 14 · Transact 2 · Score: Not yet scored

Tool inspector

show_ui_guide

act imperative

Step 2 of teaching: when someone asks how to do something themselves, highlight the real controls on their own screen instead of changing the patch for them or describing it in words. Up to 20 steps of interactive highlights and safe CommonMark. Returns immediately; the human uses Next/Previous/Done/Close. Never changes sound; opens the panel or tab a step's target needs, unless `reveal` is false. Replaces the active guide; `steps: []` clears it.

Input schema

Property	Type	Required	Description
`reveal`	boolean	no	—
`steps`	array	yes	Sequential steps, each with at most ONE target. Omit title and markdown for a highlight only; for an action spanning two elements, use two linked steps that name the next target.

Raw JSON schema

{
  "type": "object",
  "required": [
    "steps"
  ],
  "additionalProperties": false,
  "properties": {
    "reveal": {
      "type": "boolean"
    },
    "steps": {
      "type": "array",
      "maxItems": 20,
      "description": "Sequential steps, each with at most ONE target. Omit title and markdown for a highlight only; for an action spanning two elements, use two linked steps that name the next target.",
      "items": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "target": {
            "type": "object",
            "additionalProperties": false,
            "minProperties": 1,
            "maxProperties": 1,
            "description": "One semantic ID from get_ui_targets, or one CSS selector matching a single element in the app or its overlays. Omit for text only; an unreachable target still shows its text, with a warning.",
            "properties": {
              "id": {
                "type": "string",
                "minLength": 1,
                "maxLength": 160
              },
              "selector": {
                "type": "string",
                "minLength": 1,
                "maxLength": 512
              }
            }
          },
          "title": {
            "type": "string",
            "minLength": 1,
            "maxLength": 120
          },
          "markdown": {
            "type": "string",
            "minLength": 1,
            "maxLength": 4000
          }
        },
        "minProperties": 1
      }
    }
  }
}