Nominatim Geocoding
Convert between addresses and coordinates using OpenStreetMap data. Forward geocode place names to lat/lon, reverse geocode coordinates to addresses, and look up specific OSM objects by ID.
Tools
| Tool | Description |
|---|---|
search_address |
Free-form address search — returns coordinates, bounding box, and display name |
reverse_geocode |
Lat/lon to address (e.g., 48.8584, 2.2945 returns "Eiffel Tower, Paris") |
lookup |
Look up specific OpenStreetMap objects by their OSM ID |
When to use
- Converting a user's typed address into coordinates for a map or weather API
- Identifying what's at a specific set of coordinates
- Resolving ambiguous place names to precise locations
- Building location-aware features without a paid geocoding service
Example: where is the Sydney Opera House?
curl -s -X POST https://gateway.pipeworx.io/nominatim/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"search_address","arguments":{"query":"Sydney Opera House, Australia","limit":1}}}'
Setup
{
"mcpServers": {
"pipeworx-nominatim": {
"command": "npx",
"args": ["-y", "mcp-remote@latest", "https://gateway.pipeworx.io/nominatim/mcp"]
}
}
}
Note
Nominatim has a usage policy of 1 request per second. The gateway respects this limit automatically.