@gongrzhe/server-calendar-autoauth-mcp NPM

Calendar MCP Server

A Model Context Protocol (MCP) server for Google Calendar integration in Cursor IDE with auto authentication support. 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
Simple OAuth2 authentication flow with auto browser launch

Installation & Authentication

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"
- Download the JSON file of your client's OAuth keys
- Rename the key file to gcp-oauth.keys.json
Run Authentication:
You can authenticate in two ways:
a. Global Authentication (Recommended):
```
# First time: Place gcp-oauth.keys.json in your home directory's .calendar-mcp folder
mkdir -p ~/.calendar-mcp
mv gcp-oauth.keys.json ~/.calendar-mcp/

# Run authentication from anywhere
npx @gongrzhe/server-calendar-autoauth-mcp auth
```
b. Local Authentication:
```
# Place gcp-oauth.keys.json in your current directory
# The file will be automatically copied to global config
npx @gongrzhe/server-calendar-autoauth-mcp auth
```
The authentication process will:
- Look for gcp-oauth.keys.json in the current directory or ~/.calendar-mcp/
- If found in current directory, copy it to ~/.calendar-mcp/
- Open your default browser for Google authentication
- Save credentials as ~/.calendar-mcp/credentials.json
Note: After successful authentication, credentials are stored globally in ~/.calendar-mcp/ and can be used from any directory.
Configure in Cursor Desktop:

{
  "mcpServers": {
    "calendar": {
      "command": "npx",
      "args": [
        "@gongrzhe/server-calendar-autoauth-mcp"
      ]
    }
  }
}

Docker Support

If you prefer using Docker:

Authentication:

docker run -i --rm \
  --mount type=bind,source=/path/to/gcp-oauth.keys.json,target=/gcp-oauth.keys.json \
  -v mcp-calendar:/calendar-server \
  -e CALENDAR_OAUTH_PATH=/gcp-oauth.keys.json \
  -e "CALENDAR_CREDENTIALS_PATH=/calendar-server/credentials.json" \
  -p 3000:3000 \
  mcp/calendar auth

Usage:

{
  "mcpServers": {
    "calendar": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-v",
        "mcp-calendar:/calendar-server",
        "-e",
        "CALENDAR_CREDENTIALS_PATH=/calendar-server/credentials.json",
        "mcp/calendar"
      ]
    }
  }
}

Usage Examples

The server provides several tools that can be used through the Cursor IDE:

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"
  }
}