MCP server for Google Calendar integration with service account support and domain-wide delegation.
To add google-calendar 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 4 environment variables, listed below.
Install
npx -y google-calendar-workspace-mcp-server@0.0.13Environment variables
GCAL_SERVICE_ACCOUNT_CLIENT_EMAILSet in your MCP configGCAL_SERVICE_ACCOUNT_PRIVATE_KEYSet in your MCP configGCAL_IMPERSONATE_EMAILSet in your MCP configENABLED_TOOLGROUPSSet in your MCP configInstall with your client
claude mcp add google-calendar --env GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL=<YOUR_GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL> --env GCAL_SERVICE_ACCOUNT_PRIVATE_KEY=<YOUR_GCAL_SERVICE_ACCOUNT_PRIVATE_KEY> --env GCAL_IMPERSONATE_EMAIL=<YOUR_GCAL_IMPERSONATE_EMAIL> --env ENABLED_TOOLGROUPS=<YOUR_ENABLED_TOOLGROUPS> -- npx -y google-calendar-workspace-mcp-server@0.0.13
Run this in a terminal to add the server to Claude Code.
What this does
google-calendar 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:
GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL GCAL_SERVICE_ACCOUNT_PRIVATE_KEY GCAL_IMPERSONATE_EMAIL ENABLED_TOOLGROUPS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install google-calendar?
Run the Claude Code command in the install section to add google-calendar 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 google-calendar?
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 google-calendar as well.
Does google-calendar need an API key?
Yes. Before it can run, set these environment variables: GCAL_SERVICE_ACCOUNT_CLIENT_EMAIL, GCAL_SERVICE_ACCOUNT_PRIVATE_KEY, GCAL_IMPERSONATE_EMAIL, ENABLED_TOOLGROUPS. 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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