How do I install Google Calendar MCP?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is Google Calendar MCP official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

Google Calendar MCP MCP Server

Name: Google Calendar MCP MCP Server
Author: a1-x-tech

MCP server for the Google Calendar API: events, recurrence, invitations, availability, calendars.

Tools Versions Alternatives

Registrya1-x-tech

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "a1-x-tech-mcp-google-calendar": {
      "command": "npx",
      "args": [
        "-y",
        "@a1-x-tech/mcp-google-calendar@1.0.0"
      ],
      "env": {
        "GOOGLE_CALENDAR_CLIENT_ID": "",
        "GOOGLE_CALENDAR_CLIENT_SECRET": "YOUR_GOOGLE_CALENDAR_CLIENT_SECRET",
        "GOOGLE_CALENDAR_REFRESH_TOKEN": "YOUR_GOOGLE_CALENDAR_REFRESH_TOKEN",
        "GOOGLE_CALENDAR_ACCESS_TOKEN": "YOUR_GOOGLE_CALENDAR_ACCESS_TOKEN",
        "GOOGLE_CALENDAR_OAUTH_PORT": "",
        "GOOGLE_CALENDAR_API_BASE": "https://www.googleapis.com",
        "GOOGLE_CALENDAR_TIMEOUT_MS": "60000",
        "GOOGLE_CALENDAR_MAX_RETRIES": "3"
      }
    }
  }
}

Install guide

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Google Calendar MCP MCP Server | MCPpedia

Environment

Name	Required	Notes
GOOGLE_CALENDAR_CLIENT_ID	No	Google OAuth2 client id (refresh-token flow).
GOOGLE_CALENDAR_CLIENT_SECRET	No	Google OAuth2 client secret (refresh-token flow). Treat it as a secret. Secret.
GOOGLE_CALENDAR_REFRESH_TOKEN	No	Google OAuth2 refresh token, exchanged for access tokens automatically. Treat it as a secret. Secret.
GOOGLE_CALENDAR_ACCESS_TOKEN	No	Static OAuth2 access token (~1h lifetime) — alternative to the refresh-token trio, mostly for testing. Secret.
GOOGLE_CALENDAR_OAUTH_PORT	No	Fixed port for the loopback listener of the in-chat login (127.0.0.1 + PKCE). Set it when the client runs over SSH port forwarding; otherwise a free port is picked per login.
GOOGLE_CALENDAR_API_BASE	No	API root override.
GOOGLE_CALENDAR_TIMEOUT_MS	No	Per-request timeout in milliseconds.
GOOGLE_CALENDAR_MAX_RETRIES	No	Retries on transient errors (429 always; 5xx/network for reads).

Google Calendar MCP MCP Server

Install

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