copresence-canvas.vercel.app WebMCP Tools, Schemas & Agent Capabilities

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copresence-canvas.vercel.app

live Unverified (seed import) Productivity & Business 11 tools imperative implementation

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An infinite canvas where a human and an AI agent edit the same live in-browser scene at the same time, over WebMCP.

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

Answer 5 · Act 6 · Transact 0 · Score: Not yet scored

Tool inspector

annotate_scene

act imperative

Attach a floating comment to the canvas without moving anything — an observation, a question, a gap you noticed. Anchor it to a note with nodeId, or leave nodeId out to pin it above the whole board. Cheap, non-destructive, and safe to use while the human works.

Input schema

Property	Type	Required	Description
`text`	string	yes	The comment to leave on the canvas.
`nodeId`	string	no	Optional note id to anchor the comment to.

Raw JSON schema

{
  "type": "object",
  "properties": {
    "text": {
      "type": "string",
      "description": "The comment to leave on the canvas."
    },
    "nodeId": {
      "type": "string",
      "description": "Optional note id to anchor the comment to."
    }
  },
  "required": [
    "text"
  ],
  "additionalProperties": false
}

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