MCP For Claude Marketplace
Nominatim

Nominatim MCP Connector for Claude

A+

Geocode addresses, reverse geocode coordinates and explore OpenStreetMap data — no API key required.

5 tools Official Updated Jun 28, 2026 Official Vinkius Partner
More Details Connect to Claude

Connect to Nominatim and search the world's most comprehensive open-source geographic database through natural conversation — no API key needed.

What you can do

  • Address Search — Find any place by name, address or type of place (restaurants, schools, hospitals)
  • Reverse Geocoding — Convert GPS coordinates to human-readable addresses
  • OSM Lookup — Look up detailed info for any OpenStreetMap object by its ID
  • Structured Addresses — Get detailed address components (street, city, state, postal code, country)
  • Multi-language Names — Retrieve place names in different languages
  • Bounding Boxes — Get geographic boundaries for cities, countries and regions

How it works

  1. Subscribe to this server
  2. No API key needed — start searching immediately
  3. Explore geographic data from Claude, Cursor, or any MCP-compatible client

No API key required — completely free, powered by OpenStreetMap community data.

Who is this for?

  • Developers — geocode addresses and convert coordinates without paid geocoding services
  • Travelers — find addresses and discover what's at any GPS coordinate
  • Researchers — explore OpenStreetMap object details, administrative boundaries and place hierarchies
  • Data Analysts — batch geocode addresses and extract structured location data
geocodingreverse-geocodingopenstreetmaplocation-searchspatial-data

5 tools expose this connector's capabilities to your AI agent.

get_details

Returns the object's full name, display name, place rank, importance score, bounding box, parent place hierarchy, linked Wikipedia/Wikidata articles and optional extratags. OSM type: N (node), W (way), R (relation). Get detailed info for an OSM object

lookup_osm

IDs are formatted as "type{id}" where type is N (node), W (way) or R (relation). Multiple IDs are comma-separated. Returns the object's display name, coordinates, bounding box and properties. Look up OSM objects by ID

reverse_geocode

Returns the nearest address, city, state, country and other location details. Supports different zoom levels for varying detail granularity. Convert coordinates to an address

search

Returns results with coordinates, bounding box, display name, address components and OSM type/id. Supports structured searches with country codes and viewbox for region prioritization. Rate limited to 1 request/second. Search for places by name or address

get_status

Returns status message and response latency. Useful for verifying the service is operational before making other requests. Get Nominatim server status

See how to talk to your AI agent using Nominatim.

Find the coordinates for the Eiffel Tower.

Found: Eiffel Tower at coordinates 48.8584, 2.2945. Address: Champ de Mars, 5 Avenue Anatole France, 75007 Paris, France. Bounding box: 48.8574-48.8594, 2.2935-2.2955. OSM ID: W5013364 (way).

What address is at coordinates 40.7128, -74.0060?

Coordinates 40.7128, -74.0060 correspond to: City Hall Park, New York, NY 10007, United States. Borough: Manhattan. County: New York County. State: New York. Country: United States. Place type: park.

Search for 'Central Park' and show me its bounding box.

Central Park, New York: Bounding box 40.7644 to 40.8006 (lat), -73.9818 to -73.9491 (lon). OSM ID: W326168186 (way). Place type: park. Address: Manhattan, New York County, New York, 10024, United States.

No! Nominatim is completely free and requires no authentication. It's powered by the OpenStreetMap community. Just subscribe and start searching. Rate limit is 1 request per second.

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