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Metro MCP

Metro MCP

A remote Model Context Protocol (MCP) server that interfaces with the Washington, DC, Metro (WMATA) APIs. Built for integration with MCP-compatible clients like Claude Desktop. Configured to deploy on Cloudflare Workers.

Features

Ask natural questions about the Metro:

Real-Time Transit Information

  • Check train arrivals: "When is the next Red Line train at Dupont Circle?"
  • Get service alerts: "Are there any delays on the Blue Line right now?"
  • Find elevator/escalator outages: "Are all the elevators working at Union Station?"

Station Information & Navigation

  • Search for stations: "Where is the Smithsonian Metro station?"
  • Get stations by line: "Show me all the stations on the Green Line"

Trip Planning & Accessibility

  • Route planning: "How do I get from Capitol South to Bethesda?"
  • Check accessibility: "Are there any elevator outages between here and National Airport?"
  • Real-time predictions: "What are the next 3 trains arriving at Gallery Place?"

Service Monitoring

  • Current incidents: "Any Metro delays right now?"
  • Line-specific issues: "Is the Orange Line running normally?"
  • Construction updates: "What stations are closed for construction?"

Geographic & System Info

  • Get all stations: Complete list of Metro stations with their coordinates
  • Line information: Details about all six Metro lines

Deployment

Clone this repository, paste in your own environment variables, and deploy the server. Then configure your MCP client.

Environment Variables

Copy wrangler.toml.example to wrangler.toml and set your environment variables:

[vars] WMATA_API_KEY = "your-wmata-api-key" # Required - Get from developer.wmata.com JWT_SECRET = "your-jwt-secret" # Required - Generate with: openssl rand -hex 32 GITHUB_CLIENT_ID = "your-github-client-id" # Optional - OAuth app client ID GITHUB_CLIENT_SECRET = "your-github-secret" # Optional - OAuth app client secret OAUTH_REDIRECT_URI = "https://your-domain.com/callback" # Optional - Your callback URL

OAuth Setup (Optional)

To require users to log in to access your server, set up authentication with an OAuth provider like GitHub.

For GitHub OAuth authentication:

  1. Create a GitHub OAuth app at github.com/settings/developers
  2. Set Authorization callback URL to https://your-domain.com/callback
  3. Set the environment variables above with your OAuth credentials

Claude Desktop Integration

Add to your Claude Desktop MCP configuration:

{ "mcpServers": { "metro-mcp": { "command": "npx", "args": [ "mcp-remote", "https://your-domain.com/sse", "--header", "Authorization: Bearer your-token-here" ] } } }

API Documentation

The MCP server interfaces with the official WMATA APIs. Vist WMATA's developer documentation for details.

  • Station predictions: Real-time train arrival information
  • Station information: Station names, codes, and locations
  • Incidents: Service disruptions and advisories
  • Elevator/escalator outages: Accessibility information

License

MIT License - see LICENSE file for details.

-
security - not tested
A
license - permissive license
-
quality - not tested

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Enables users to interact with Washington DC Metro (WMATA) transit system through natural language queries. Provides real-time train arrivals, service alerts, station information, trip planning, and accessibility updates.

  1. Features
    1. Deployment
      1. Environment Variables
      2. OAuth Setup (Optional)
      3. Claude Desktop Integration
    2. API Documentation
      1. License

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