io.github.cyanheads/nominatim-mcp-server

io.github.cyanheads/nominatim-mcp-server

Geocode, reverse geocode, and run Overpass spatial queries on OpenStreetMap data.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "nominatim-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/nominatim-mcp-server@0.1.8"
      ],
      "env": {
        "NOMINATIM_BASE_URL": "https://nominatim.openstreetmap.org",
        "NOMINATIM_USER_AGENT": "nominatim-mcp-server/0.1.8",
        "OVERPASS_BASE_URL": "https://overpass-api.de/api/interpreter",
        "MCP_LOG_LEVEL": "info"
      }
    }
  }
}
Environment variables
  • NOMINATIM_BASE_URLNominatim API base URL. Override to use a private or mirror instance.
  • NOMINATIM_USER_AGENTUser-Agent sent to Nominatim and Overpass. Required by usage policy.
  • OVERPASS_BASE_URLOverpass API endpoint URL. Override to use a mirror or private instance.
  • MCP_LOG_LEVELSets the minimum log level for output (e.g., 'debug', 'info', 'warn').

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.1.8
Registry
deprecated
Published
5/24/2026

Remotes

  • streamable-httphttps://nominatim.caseyjhand.com/mcp

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