LatLng MCP Server

LatLngの公式MCPサーバー。ジオコーディング、逆ジオコーディング、場所検索に対応。

GitHub

ドキュメント

LatLng MCP Worker

Standalone Cloudflare Worker for the remote LatLng MCP endpoint.

Links

Endpoint

POST https://mcp.latlng.work/mcp
GET  https://mcp.latlng.work/.well-known/mcp/server-card.json
GET  https://mcp.latlng.work/health

Authentication

Tool discovery and the first 10 anonymous tool calls per day work without a key. For higher limits, create a free LatLng Server Key at https://dash.latlng.work.

Accepted formats:

Authorization: Bearer latlng_...
X-Api-Key: latlng_...

Public maps keys (pk_latlng_...) are rejected before tool discovery or tool calls. The worker validates keys against the same latlng-db D1 database used by the dashboard and API worker.

Tools

  • geocode_address
  • reverse_geocode
  • search_places
  • find_nearby_places
  • list_place_categories

Development

npm install
npm run start

The start script runs a stdio MCP server for local clients and registry checks. It answers initialize, ping, and tools/list without credentials. Tool calls require a LatLng Server Key in LATLNG_API_KEY.

Docker

docker build -t latlng-mcp .
docker run -i --rm -e LATLNG_API_KEY=latlng_your_dashboard_server_key latlng-mcp

For registry checks that only introspect the server, no API key is required.

Worker Development

npm install
npm run dev

Deploy

npm run deploy:production