napkin

Indexed by io.github.sshwarts

About

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

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

Transportstdio (runs a local command)

Env varsANTHROPIC_API_KEY

Claude Code

claude mcp add --env ANTHROPIC_API_KEY= napkin -- npx napkin-mcp

Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code

code --add-mcp '{"name":"napkin","command":"npx","args":["napkin-mcp"],"env":{"ANTHROPIC_API_KEY":""}}'

JSON

{
  "mcpServers": {
    "napkin": {
      "command": "npx",
      "args": [
        "napkin-mcp"
      ],
      "env": {
        "ANTHROPIC_API_KEY": ""
      }
    }
  }
}

Environment variables are listed by name only — fill in your own values. Entries never carry secrets.