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Myrm does not ship a built-in infinite whiteboard. For architecture sketches, flowcharts, and collaborative diagrams, connect an MCP server and keep the core product lean. Why this helps you: Competitors like OpenClaw often bundle a built-in canvas plugin, inflating default tool schemas and maintenance cost. Myrm covers most diagram needs with Mermaid artifacts (no extra install), and renders in-chat forms for confirmations via structured_clarify. Install Excalidraw/tldraw MCP only when you need a collaborative sketch board—you keep the capability without paying default token overhead.

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Built-in alternatives (no MCP)

  • Mermaid artifacts in chat — mind maps, flowcharts, sequence diagrams, Gantt charts
  • structured_clarify — structured in-chat forms (choice buttons, multi-select, free text)
  • HTML / SVG artifacts — exportable, shareable documents

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Setup (Settings → MCP)

  1. Add a remote MCP server URL (Excalidraw MCP App) or run a local stdio server (tldraw / excalidraw-mcp-server).
  2. Enable the MCP on your agent profile.
  3. Ask the agent to create or edit diagrams through MCP tools — persistence lives in the MCP app, not in Myrm server storage.

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Migration from legacy Canvas

If you previously enabled the removed Canvas builtin tool, it is silently stripped from saved profiles. Use Mermaid for quick diagrams or install Excalidraw MCP for editable whiteboards.