GongRzhe_Calendar-MCP-Server
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A Model Context Protocol (MCP) server for Google Calendar integration in Claude Desktop, enabling AI assistants to manage Google Calendar events through natural language interactions.
Calendar MCP Server
A Model Context Protocol (MCP) server for Google Calendar integration in Claude Desktop. This server enables AI assistants to manage Google Calendar events through natural language interactions.
Features
- Create calendar events with title, time, description, and location
- Retrieve event details by event ID
- Update existing events (title, time, description, location)
- Delete events
- List events within a specified time range
- Full integration with Google Calendar API
- Secure OAuth2 authentication
Installation
Installing via Smithery
To install Google Calendar Integration for Claude Desktop automatically via Smithery:
npx -y @smithery/cli install @gongrzhe/server-calendar-mcp --client claude
Manual Installation
npm install @gongrzhe/server-calendar-mcp
Setup
-
Create a Google Cloud Project and obtain credentials:
a. Create a Google Cloud Project:
- Go to Google Cloud Console
- Create a new project or select an existing one
- Enable the Google Calendar API for your project
b. Create OAuth 2.0 Credentials:
- Go to "APIs & Services" > "Credentials"
- Click "Create Credentials" > "OAuth client ID"
- Choose "Desktop app" as application type
- Give it a name and click "Create"
- You will get your
GOOGLE_CLIENT_IDandGOOGLE_CLIENT_SECRET
c. Get Refresh Token:
- Go to OAuth 2.0 Playground
- Click the gear icon (Settings) in the top right
- Check "Use your own OAuth credentials"
- Enter your OAuth Client ID and Client Secret
- In the left panel, find "Calendar API v3" and select "https://www.googleapis.com/auth/calendar"
- Click "Authorize APIs" and complete the OAuth flow
- Click "Exchange authorization code for tokens"
- Copy the "Refresh token" - this is your
GOOGLE_REFRESH_TOKEN
-
Configure in Claude Desktop:
{
"calendar": {
"command": "npx",
"args": [
"@gongrzhe/server-calendar-mcp"
],
"env": {
"GOOGLE_CLIENT_ID": "your_client_id_here",
"GOOGLE_CLIENT_SECRET": "your_client_secret_here",
"GOOGLE_REFRESH_TOKEN": "your_refresh_token_here"
}
}
}
Usage Examples
The server provides several tools that can be used through the Claude Desktop:
Create Event
{
"summary": "Team Meeting",
"start": {
"dateTime": "2024-01-20T10:00:00Z"
},
"end": {
"dateTime": "2024-01-20T11:00:00Z"
},
"description": "Weekly team sync",
"location": "Conference Room A"
}
List Events
{
"timeMin": "2024-01-01T00:00:00Z",
"timeMax": "2024-12-31T23:59:59Z",
"maxResults": 10,
"orderBy": "startTime"
}
Update Event
{
"eventId": "event123",
"summary": "Updated Meeting Title",
"start": {
"dateTime": "2024-01-20T11:00:00Z"
},
"end": {
"dateTime": "2024-01-20T12:00:00Z"
}
}
Delete Event
{
"eventId": "event123"
}
Security Notes
- Keep your Google API credentials secure
- Regularly rotate your refresh tokens
- Store sensitive information in Claude Desktop configuration
- Never share or commit your credentials to version control
- The refresh token gives access to your Google Calendar, treat it like a password
Contributing
Contributions are welcome! Please feel free to submit a Pull Request.
License
This project is licensed under the ISC License.
Author
gongrzhe
Support
If you encounter any issues or have questions, please file an issue on the GitHub repository.
