Google Calendar
About
Interact with Google Calendar APIs to manage events and calendars.
Details
- Author
- sohamkapileshwar2
- Categories
- Productivity, Other, Automation
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Setup
Install Google Calendar in your MCP client (Claude Desktop, Cursor, Windsurf, and others).
Repository: https://github.com/sohamkapileshwar2/google-calendar-mcp-server
Follow the installation instructions in the repository README, then restart your MCP client.
Interact with Google Calendar APIs to manage events and calendars.
This project integrates theGoogle Calendar v3 APIswith a customMCP (Model Context Protocol) Server, enabling natural language interaction with your calendar via tools likeClaude Desktop.
It acts as a bridge between your calendar data and an LLM using MCP-compatible HTTP streaming.
- Handles OAuth 2.0 flow
- Stores and refreshes access tokens in a local session file
- Implements theModel Context Protocol (MCP)
- Exposes an HTTP streaming interface
- Uses saved credentials to interact withGoogle Calendar API v3
- Go to theGoogle Cloud Console
- Create or select a project
- Enable theGoogle Calendar API
- Go toCredentials→Create OAuth 2.0 Client ID
- ChooseDesktop App
- Set branding and add test user emails in audience
poetry run uvicorn src.main:app --host 0.0.0.0 --port 8000
- This should automatically open a browser for OAuth authentication.
- If not, visithttp://0.0.0.0:8000/google_oauth/
- Upon successful authentication, you'll see a success page.
- Asession.jsonfile will be created with your access/refresh tokens.
This launches a streamable MCP-compatible HTTP server athttp://localhost:8080/mcp
Step 5: 🧠 Connect MCP Client (Claude Desktop)
~/Library/Application Support/Claude/claude_desktop_config.json
{ "mcpServers": { "google-calendar-mcp": { "command": "npx", "args": [ "mcp-remote", "http://localhost:8080/mcp" ] } } }
- OpenClaude Desktopsettings.
- If the MCP server was added correctly, it will appear underSettings -> integrations
https://github.com/user-attachments/assets/27a8e5ee-8f2f-40c7-bdfc-1caa93767efb
project-root/ ├── client_secret.json # Google OAuth credentials ├── session.json # Access/refresh token storage ├── pyproject.toml # Poetry project config ├── README.md └── src/ ├── main.py # FastAPI app for OAuth server ├── server.py # MCP-compatible server ├── settings.py # App settings and constants ├── api/ │ └── oauth_callback.py # OAuth endpoint logic ├── core/ │ ├── calendar_client.py # Google Calendar API wrapper │ ├── mcp_tools.py # Tools exposed to MCP clients │ ├── oauth_manager.py # OAuth initiation and flow │ └── session_manager.py # Token handling └── gcalendar_types/ # Typed definitions for Calendar v3 API
- FastAPI
- Uvicorn
- Google Auth Libraries
- Poetryfor dependency management
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