LocalFree server, account needed

Tap MCP server

open-deltat/tap

Give an agent a calendar it can book without double-booking: find, hold, then commit atomically.

9 GitHub stars

Install Tap in Claude Code

Claude Code
claude mcp add open-deltat-tap -e DELTAT_PASSWORD=... -- npx -y @open-deltat/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "open-deltat-tap": {
      "command": "npx",
      "args": [
        "-y",
        "@open-deltat/mcp"
      ],
      "env": {
        "DELTAT_PASSWORD": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Tap MCP server do?

Give an agent a calendar it can book without double-booking: find, hold, then commit atomically.

Is the Tap 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 Tap run locally or remotely?

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

How do I add Tap to Claude Code?

Run: claude mcp add open-deltat-tap -e DELTAT_PASSWORD=... -- npx -y @open-deltat/mcp

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