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Google Calendar MCP

Community

MCP server by A1-x-Tech · updated · ★ 0 · 30 downloads a week

Score 64

MCP server for the Google Calendar API: events, recurrence, invitations, availability, calendars. Google Calendar MCP is a community project by A1-x-Tech, not verified by a company domain.

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Maintenance

Last commit 19 days ago

Licence

MIT: permissive, fine for commercial use

Quality

Clear description, published package or server URL, original repository

Security

Not checked yet. What we check

What you need

SettingNeededWhat it is
GOOGLE_CALENDAR_CLIENT_IDEnvironment variableOptionalGoogle OAuth2 client id (refresh-token flow).
GOOGLE_CALENDAR_CLIENT_SECRETEnvironment variable, secretOptionalGoogle OAuth2 client secret (refresh-token flow). Treat it as a secret.
GOOGLE_CALENDAR_REFRESH_TOKENEnvironment variable, secretOptionalGoogle OAuth2 refresh token, exchanged for access tokens automatically. Treat it as a secret.
GOOGLE_CALENDAR_ACCESS_TOKENEnvironment variable, secretOptionalStatic OAuth2 access token (~1h lifetime) — alternative to the refresh-token trio, mostly for testing.
GOOGLE_CALENDAR_OAUTH_PORTEnvironment variableOptionalFixed 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_BASEEnvironment variableOptionalAPI root override. Default: https://www.googleapis.com
GOOGLE_CALENDAR_TIMEOUT_MSEnvironment variableOptionalPer-request timeout in milliseconds. Default: 60000
GOOGLE_CALENDAR_MAX_RETRIESEnvironment variableOptionalRetries on transient errors (429 always; 5xx/network for reads). Default: 3

From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.

Install Google Calendar MCP

Built from the published package, never by AI
claude mcp add google-calendar-mcp -- npx -y @a1-x-tech/mcp-google-calendar

Run in your terminal. Add --scope user to use it in every project.

Step-by-step: install Google Calendar MCP in Claude Code

MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the google-calendar-mcp block.

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Alternatives to Google Calendar MCP

All alternatives →

Google Calendar MCP: common questions

How do I install Google Calendar MCP?

In Claude Code run claude mcp add google-calendar-mcp -- npx -y @a1-x-tech/mcp-google-calendar. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.

Is Google Calendar MCP the official server?

Google Calendar MCP is a community project by A1-x-Tech, not verified by a company domain.

Is Google Calendar MCP free?

The code is published under the MIT licence. The service it connects to may have its own pricing.

Is Google Calendar MCP safe to use?

It scores 64 of 100. Grades: maintenance A, licence A, quality C. The security check has not run for it yet. Review the code before you install. How grades work.

What are alternatives to Google Calendar MCP?

Similar MCP servers: Agent-Native Calendar, Agent-Native Clips, kaneo, Agent Afk.

Does Google Calendar MCP work with ChatGPT?

Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.

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