mcp-google-calendar
A minimal MCP server for Google Calendar using OAuth 2.0, enabling calendar management, event CRUD, sharing, and push notifications via natural language.
README
mcp-google-calendar
A minimal MCP server for Google Calendar using OAuth 2.0 and the Google Calendar API.
Tools
connect_calendar()andcalendar_health()list_calendars()list_events(...)andget_event(...)create_event(...), with recurrence, attendees, and optional Google Meetupdate_event(...)anddelete_event(...)list_calendar_acl(...)andshare_calendar(...)watch_calendar_events(...)list_event_changes(...)
create_event, update_event, delete_event, share_calendar, and
watch_calendar_events have external side effects. MCP clients should request
explicit confirmation before calling them.
Setup
- Enable the Google Calendar API in Google Cloud Console.
- Create an OAuth client with application type Desktop app.
- Download the OAuth file as
credentials.jsoninto this directory. - Install dependencies and start the server:
python -m venv .venv
.venv\Scripts\activate
pip install -r requirements.txt
python server.py
The first connection opens a browser for authorization and creates
token.json. Both credentials.json and token.json are ignored by Git.
Optional .env configuration:
GOOGLE_CREDENTIALS=credentials.json
GOOGLE_TOKEN=token.json
GOOGLE_CALENDAR_TIMEZONE=Asia/Jakarta
MCP Client
{
"mcpServers": {
"google-calendar": {
"command": "python",
"args": [
"C:/Users/your-user/Documents/GitHub/mcp-google-calendar/server.py"
]
}
}
}
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