Google Workspace MCP Server
A Model Context Protocol (MCP) server that provides tools for interacting with Gmail and Calendar APIs. This server enables you to manage your emails and calendar events programmatically through the MCP interface.
Features
Gmail Tools
list_emails: List recent emails from your inbox with optional filteringsearch_emails: Advanced email search with Gmail query syntaxsend_email: Send new emails with support for CC and BCCmodify_email: Modify email labels (archive, trash, mark read/unread)
Calendar Tools
list_events: List upcoming calendar events with date range filteringcreate_event: Create new calendar events with attendees- The events below were removed from this server for security measures since Google Cloud Calendar API does not have a scope that allows creation but prevents deletion or updates.
update_event: Update existing calendar eventsdelete_event: Delete calendar events
Prerequisites
- Node.js: Install Node.js version 14 or higher
- Google Cloud Console Setup:
- Go to Google Cloud Console
- Create a new project or select an existing one
- Enable the Gmail API and Google Calendar API:
- Go to "APIs & Services" > "Library"
- Search for and enable "Gmail API"
- Search for and enable "Google Calendar API"
- Set up OAuth 2.0 credentials:
- Go to "APIs & Services" > "Credentials"
- Click "Create Credentials" > "OAuth client ID"
- Choose "Web application"
- Set "Authorized redirect URIs" to include:
http://localhost:4100/code - Note down the Client ID and Client Secret
Setup Instructions
Installing via Smithery
To install Google Workspace Server - No Calendar Deletion for Claude Desktop automatically via Smithery:
npx -y @smithery/cli install @erickva/google-workspace-mcp-server-no-calendar-deletetion --client claude
Installing Manually
-
Clone and Install:
git clone https://github.com/epaproditus/google-workspace-mcp-server.git cd google-workspace-mcp-server npm install -
Create OAuth Credentials: Create a
credentials.jsonfile in the root directory:{ "web": { "client_id": "YOUR_CLIENT_ID", "client_secret": "YOUR_CLIENT_SECRET", "redirect_uris": ["http://localhost:4100/code"], "auth_uri": "https://accounts.google.com/o/oauth2/auth", "token_uri": "https://oauth2.googleapis.com/token" } } -
Get Refresh Token:
node get-refresh-token.jsThis will:
- Open your browser for Google OAuth authentication
- Request the following permissions:
https://www.googleapis.com/auth/gmail.modifyhttps://www.googleapis.com/auth/calendarhttps://www.googleapis.com/auth/gmail.send
- Save the credentials to
token.json - Display the refresh token in the console
-
Configure MCP Settings: Add the server configuration to your MCP settings file:
- For VSCode Claude extension:
~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json - For Claude desktop app:
~/Library/Application Support/Claude/claude_desktop_config.json
Add this to the
mcpServersobject:{ "mcpServers": { "google-workspace": { "command": "node", "args": ["/path/to/google-workspace-server/build/index.js"], "env": { "GOOGLE_CLIENT_ID": "your_client_id", "GOOGLE_CLIENT_SECRET": "your_client_secret", "GOOGLE_REFRESH_TOKEN": "your_refresh_token" } } } } - For VSCode Claude extension:
-
Build and Run:
npm run build
Usage Examples
Gmail Operations
-
List Recent Emails:
{ "maxResults": 5, "query": "is:unread" } -
Search Emails:
{ "query": "from:example@gmail.com has:attachment", "maxResults": 10 } -
Send Email:
{ "to": "recipient@example.com", "subject": "Hello", "body": "Message content", "cc": "cc@example.com", "bcc": "bcc@example.com" } -
Modify Email:
{ "id": "message_id", "addLabels": ["UNREAD"], "removeLabels": ["INBOX"] }
Calendar Operations
-
List Events:
{ "maxResults": 10, "timeMin": "2024-01-01T00:00:00Z", "timeMax": "2024-12-31T23:59:59Z" } -
Create Event:
{ "summary": "Team Meeting", "location": "Conference Room", "description": "Weekly sync-up", "start": "2024-01-24T10:00:00Z", "end": "2024-01-24T11:00:00Z", "attendees": ["colleague@example.com"] }
3. Update Event:
{
"eventId": "event_id",
"summary": "Updated Meeting Title",
"location": "Virtual",
"start": "2024-01-24T11:00:00Z",
"end": "2024-01-24T12:00:00Z"
}
4. Delete Event:
{
"eventId": "event_id"
}
Troubleshooting
-
Authentication Issues:
- Ensure all required OAuth scopes are granted
- Verify client ID and secret are correct
- Check if refresh token is valid
-
API Errors:
- Check Google Cloud Console for API quotas and limits
- Ensure APIs are enabled for your project
- Verify request parameters match the required format
License
This project is licensed under the MIT License.