Nominatim

liveGeography

Forward and reverse geocoding using OpenStreetMap Nominatim

3tools
0msauth
free tier50 calls/day

Tools

search_addressrequired: query

Forward geocode a free-form address or place name using OpenStreetMap Nominatim. Returns matching places with coordinates.

Parameters
NameTypeDescription
queryreqstringFree-form address or place name to search for (e.g. "Eiffel Tower, Paris").
limitoptnumberMaximum number of results to return. Defaults to 5, max 50.
▶Try it
reverse_geocoderequired: lat, lon

Reverse geocode a latitude/longitude coordinate pair to a human-readable address using OpenStreetMap Nominatim.

Parameters
NameTypeDescription
latreqnumberLatitude in decimal degrees (e.g. 48.8584).
lonreqnumberLongitude in decimal degrees (e.g. 2.2945).
▶Try it
lookuprequired: ids

Look up one or more OpenStreetMap objects by their OSM IDs (e.g. "N123456,W654321,R111"). Prefix N=node, W=way, R=relation.

Parameters
NameTypeDescription
idsreqstringComma-separated list of OSM IDs with type prefix (e.g. "N123456,W654321"). N=node, W=way, R=relation.
▶Try it

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools
bash
curl -X POST https://gateway.pipeworx.io/nominatim/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'
Call a tool
bash
curl -X POST https://gateway.pipeworx.io/nominatim/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"search_address","arguments":{"query": "hello"}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("search_address", {"query":"example"});
ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("forward and reverse geocoding using openstreetmap nominatim");