MCP servers · Nominatim (OpenStreetMap search) · MCP server + skill
Connect Claude Code to Nominatim (OpenStreetMap search)
One line gives Claude Code your Nominatim (OpenStreetMap search) account as tools: 4 endpoints, geocode, more, called with your own connection. No key in the prompt, a receipt for every call, revoke Claude Code's access alone any time.
Three steps
- Create a free 0n3 account and connect Nominatim (OpenStreetMap search). Paste a key or sign in; it lands in your vault, encrypted.
- Install 0n3 into Claude Code. Claude in your Terminal. Paste one line, and Claude can use every app you added.
- Ask Claude Code: whoami. Then: "List customers in Nominatim (OpenStreetMap search)".
Paste this in Terminal and press Enter
claude mcp add --transport http --scope user 0n3 https://0n3.app/mcp --header "Authorization: Bearer <your 0n token>"
The line above carries a placeholder; 0n3.app/install mints a real key named for Claude Code and fills it in.
What Claude Code can then do in Nominatim (OpenStreetMap search)
Geocode · Find a place by name, name the place at a coordinate, or look up OpenStreetMap ids0
Find a place by name, name the place at a coordinate, or look up OpenStreetMap ids
More · Everything else this app exposes.4
Search
GET /searchReverse
GET /reverseLookup
GET /lookupStatus
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