Excalidraw

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

MCP for creating interactive hand-drawn diagrams in Excalidraw

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Excalidraw": {
      "url": "https://excalidraw-mcp-app.vercel.app/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (5)

• read_me read-only

  Returns the Excalidraw element format reference with color palettes, examples, and tips. Call this BEFORE using create_view for the first time.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• create_view read-only

  Renders a hand-drawn diagram using Excalidraw elements. Elements stream in one by one with draw-on animations. Call read_me first to learn the element format.

  Parameters:

  • elements (required) — string — JSON array string of Excalidraw elements. Must be valid JSON — no comments, no trailing commas. Keep compact. Call read_me first for format reference.

  Hints: read-only yes · destructive not declared · idempotent not declared · open-world not declared

• export_to_excalidraw

  Upload diagram to excalidraw.com and return shareable URL.

  Parameters:

  • json (required) — string — Serialized Excalidraw JSON

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• save_checkpoint

  Update checkpoint with user-edited state.

  Parameters:

  • id (required) — string
  • data (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• read_checkpoint

  Read checkpoint state for restore.

  Parameters:

  • id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.