LocalFree

Napkin MCP server

sshwarts/napkin

Shared visual canvas (Excalidraw) for collaborative whiteboarding between AI agents and humans.

1 GitHub stars119 npm downloads / month

Install Napkin in Claude Code

Claude Code
claude mcp add napkin -- npx -y napkin-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "napkin": {
      "command": "npx",
      "args": [
        "-y",
        "napkin-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Napkin MCP server do?

Shared visual canvas (Excalidraw) for collaborative whiteboarding between AI agents and humans.

Is the Napkin MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Napkin run locally or remotely?

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

How do I add Napkin to Claude Code?

Run: claude mcp add napkin -- npx -y napkin-mcp

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