Google Calendar for LLM agents: find, create, update, move, delete events; free/busy; scheduling.
To add calendar-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 3 environment variables, listed below.
Install
uvx calendar-mcp-server@1.0.1Environment variables
GOOGLE_CLIENT_IDSet in your MCP configGOOGLE_CLIENT_SECRETSet in your MCP configTOKEN_FILE_PATHSet in your MCP configInstall with your client
claude mcp add calendar --env GOOGLE_CLIENT_ID=<YOUR_GOOGLE_CLIENT_ID> --env GOOGLE_CLIENT_SECRET=<YOUR_GOOGLE_CLIENT_SECRET> --env TOKEN_FILE_PATH=<YOUR_TOKEN_FILE_PATH> -- uvx calendar-mcp-server@1.0.1
Run this in a terminal to add the server to Claude Code.
What this does
calendar-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
GOOGLE_CLIENT_ID GOOGLE_CLIENT_SECRET TOKEN_FILE_PATH
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install calendar-mcp?
Run the Claude Code command in the install section to add calendar-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with calendar-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to calendar-mcp as well.
Does calendar-mcp need an API key?
Yes. Before it can run, set these environment variables: GOOGLE_CLIENT_ID, GOOGLE_CLIENT_SECRET, TOKEN_FILE_PATH. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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