openstreetmap-mcp-server

ghassenTn/openstreetmap-mcp-server

3.1

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The OpenStreetMap MCP Server integrates OpenStreetMap routing capabilities with Claude AI for advanced route planning, cost estimation, and place search using the OpenRouteService API.

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OpenStreetMap MCP Server

A Model Context Protocol (MCP) server that integrates OpenStreetMap routing capabilities with Claude AI for advanced route planning, cost estimation, and place search using OpenRouteService API.

Features

  • Route Calculation: Get optimal routes between multiple points
  • Route Comparison: Compare different routing options (avoid tolls, highways, etc.)
  • Distance Matrix: Calculate distances and durations between multiple origins and destinations
  • Cost Estimation: Estimate fuel and toll costs for trips
  • Place Search: Find places using OpenStreetMap geocoding
  • Multiple Transport Modes: Support for driving, walking, and cycling

Prerequisites

  • Node.js (LTS version 18+ recommended) - Download from nodejs.org
  • OpenRouteService API Key - Get one free from openrouteservice.org
  • Claude Desktop application for MCP integration

Setup Instructions

1. Clone and Install

git clone [your-repo-url]
cd openstreetmap-mcp-server
npm install

2. Get OpenRouteService API Key

  1. Go to openrouteservice.org
  2. Sign up for a free account
  3. Navigate to your dashboard
  4. Create a new API key
  5. Copy the API key for configuration

3. Configure API Key

Edit config/config.json and replace the API key:

{
  "openStreetMap": {
    "apiKey": "api-key"
  }
}

4. Test the Server

# Test configuration
npm test

# Start in development mode
npm run dev

5. Configure Claude Desktop

Add this to your Claude Desktop MCP settings file:

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json Windows: %APPDATA%\\Claude\\claude_desktop_config.json

{
  "mcpServers": {
    "openstreetmap": {
      "command": "node",
      "args": ["/absolute/path/to/openstreetmap-mcp-server/src/index.js"],
      "cwd": "/absolute/path/to/openstreetmap-mcp-server"
    }
  }
}

6. Start Using

Restart Claude Desktop and you can now ask questions like:

  • "Find the best route from Paris to Berlin"
  • "Compare routes to the airport with and without tolls"
  • "What's the estimated cost for driving from London to Edinburgh?"
  • "Find restaurants near Times Square"

Available Tools

calculate_route

Get optimal route using OpenStreetMap data with waypoints support.

Parameters:

  • origin (required): Starting point (address or coordinates in lat,lng format)
  • destination (required): Ending point (address or coordinates in lat,lng format)
  • waypoints (optional): Array of intermediate points
  • mode (optional): Transport mode - driving, walking, bicycling, transit
  • avoidTolls (optional): Boolean to avoid toll roads
  • avoidHighways (optional): Boolean to avoid highways

compare_routes

Compare multiple route alternatives with different options.

Parameters:

  • origin (required): Starting point
  • destination (required): Ending point
  • options (required): Array of routing options to compare

get_matrix

Get distance and duration matrix between multiple origins and destinations.

Parameters:

  • origins (required): Array of origin points
  • destinations (required): Array of destination points

get_traffic_info

Get basic route information (Note: Real-time traffic not available in OpenStreetMap).

Parameters:

  • origin (required): Starting point
  • destination (required): Ending point

estimate_costs

Calculate trip costs including fuel and toll estimates.

Parameters:

  • origin (required): Starting point
  • destination (required): Ending point
  • fuelPricePerLiter (optional): Price of fuel per liter (default: 1.50)
  • vehicleFuelEfficiency (optional): Vehicle efficiency in km/liter (default: 8.0)
  • tollEstimatePerKm (optional): Estimated toll cost per km (default: 0.05)

find_places

Search for places using OpenStreetMap geocoding service.

Parameters:

  • query (required): Search query (e.g., "restaurants", "hotels")
  • location (optional): Center location for search
  • radius (optional): Search radius in meters (default: 1000)

Configuration Options

Edit config/config.json to customize:

{
  "openStreetMap": {
    "apiKey": "api-key"
  },
  "server": {
    "port": 3001,
    "host": "localhost"
  },
  "routing": {
    "defaultProfile": "driving-car",
    "maxWaypoints": 25,
    "maxAlternatives": 3,
    "units": "metric"
  },
  "costs": {
    "fuelPricePerLiter": 1.50,
    "vehicleFuelEfficiency": 8.0,
    "tollEstimatePerKm": 0.05
  }
}

Troubleshooting

Common Issues

1. "Error loading config" message

  • Check that config/config.json exists and has valid JSON format
  • Ensure the API key is properly set

2. "API request failed" errors

  • Verify your OpenRouteService API key is valid and active
  • Check your API quota limits at openrouteservice.org
  • Ensure you have internet connectivity

3. "Address not found" errors

  • Try using coordinates instead of addresses (lat,lng format)
  • Verify the location exists and is accessible
  • Check spelling of address

4. Server won't start

# Check Node.js version
node --version  # Should be 18+

# Clear dependencies and reinstall
rm -rf node_modules package-lock.json
npm install

# Check for configuration errors
npm test

5. Claude Desktop can't find the server

  • Use absolute paths in Claude Desktop config
  • Restart Claude Desktop after configuration changes
  • Check that the MCP config file path is correct for your OS

Debug Mode

Run with debug logging:

DEBUG=* npm start

Testing Individual Functions

You can test the server functionality by creating test scripts or using the npm test command.

Differences from Google Maps

This OpenStreetMap MCP server provides similar functionality to Google Maps but with some key differences:

Advantages

  • Free and Open Source: No usage limits for basic features
  • Privacy Focused: No tracking or data collection
  • Community Driven: Data maintained by volunteers worldwide
  • Customizable: Full control over routing profiles and preferences

Limitations

  • No Real-time Traffic: Traffic data is not available
  • Limited Transit: Public transportation routing is limited
  • Geocoding Quality: May be less accurate in some regions compared to Google
  • Commercial POI: Fewer commercial points of interest

API Rate Limits

OpenRouteService free tier includes:

  • 2,000 requests per day
  • 40 requests per minute
  • 2,000 requests per month for matrix calculations

For higher limits, consider upgrading to a paid plan at openrouteservice.org.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

MIT License - feel free to modify and distribute.

About

OpenStreetMap MCP Server - Bringing open-source mapping to Claude AI

Built with:

reverse_geocode

Get location name and address from latitude and longitude coordinates.

Parameters:

  • latitude (required): Latitude coordinate (between -90 and 90)
  • longitude (required): Longitude coordinate (between -180 and 180)
  • zoom (optional): Zoom level for detail (1-18, higher = more detailed, default: 18)

Example Usage:

reverse_geocode({
  latitude: 48.8584,
  longitude: 2.2945
})

Response Format:

{
  "status": "success",
  "coordinates": {
    "latitude": 48.8584,
    "longitude": 2.2945
  },
  "address": {
    "formatted_address": "Tour Eiffel, Avenue Gustave Eiffel, Gros-Caillou, 7e Arrondissement, Paris, Île-de-France, France métropolitaine, 75007, France",
    "name": "Tour Eiffel",
    "street": "Avenue Gustave Eiffel",
    "neighbourhood": "Gros-Caillou",
    "locality": "Paris",
    "region": "Île-de-France",
    "country": "France",
    "country_code": "FR",
    "postal_code": "75007"
  }
}