Excaliwow MCP Server: Install & Setup

Install Excaliwow in Claude Code

Claude Code

claude mcp add excaliwow -e EXCALIWOW_TOKEN=... -- npx -y @excaliwow/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "excaliwow": {
      "command": "npx",
      "args": [
        "-y",
        "@excaliwow/mcp"
      ],
      "env": {
        "EXCALIWOW_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Excaliwow MCP server do?

Create, read, render, organize, and safely edit persistent Excalidraw diagrams with AI agents.

Is the Excaliwow MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Excaliwow run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Excaliwow to Claude Code?

Run: claude mcp add excaliwow -e EXCALIWOW_TOKEN=... -- npx -y @excaliwow/mcp

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