Poa Bus

MCP server for Porto Alegre's public transportation data. Access bus stops, routes, and real-time information through Claude Desktop or any MCP-compatible client.

Features

• 🚌 List all bus stops in Porto Alegre
• 🛣️ Browse available bus routes
• 📍 Get detailed route information (stops, schedule, path)
• 📄 Pagination support for large datasets
• ⚡ Redis caching for improved performance
• 🌐 HTTP streaming server with stateless architecture

Quick Start

Environment Variables

For local development, create a .env file:

REDIS_URL=redis://localhost:6379 

Using Docker (Recommended)

The command below will start the MCP server along with a Redis instance:

docker-compose up -d

Development Commands

pnpm test        # Run MCP Inspector
pnpm lint        # Run linter
pnpm format      # Format code
pnpm check       # Lint & format check
pnpm check:fix   # Auto-fix issues

Claude Desktop Integration

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "poa-bus": {
      "command": "npx",
      "args": ["mcp-remote", "http:localhost:3000/mcp"]
    }
  }
}

Available Tools

Tool	Description	Parameters
stops-fetcher	List all bus stops with pagination	cursor (string, optional)
routes-fetcher	List all bus routes with pagination	cursor (string, optional)
route-details-fetcher	Get route details	routeId (string, required)

Architecture

• HTTP Server: Express with CORS support on port 3000
• MCP Protocol: Streamable HTTP transport
• Caching: Redis integration for API response caching
• Data Source: Porto Alegre Transport API (poatransporte.com.br)

Contributing

1. Fork the repository
2. Create your feature branch
3. Run pnpm check before committing
4. Open a Pull Request

Acknowledgments

This project was inspired by and built upon the work of:

• POABus by @rafaeelaudibert - A comprehensive Porto Alegre bus system API
• poatransporte by @ClaudiaStrm - Porto Alegre public transportation data tools

These projects provided valuable insights into Porto Alegre's public transportation data structure and API patterns.

License

MIT - See LICENSE