Japan Reverse Geocode

Turn coordinates into Japanese municipality names via GSI — batch reverse geocoding for your AI agent.

For telematics, maps and field apps in Japan. Free: one point. Pro: batch and elevation combo.

Tools

• reverse_geocode (free) — FREE. Reverse-geocode a lat/lon in Japan to municipality code and local name.
• batch_reverse (Pro) — PRO. Reverse-geocode up to 50 lat/lon points.
• reverse_with_elevation (Pro) — PRO. Reverse geocode plus GSI elevation for one point.

Live free example

reverse_geocode {"lat":35.68,"lon":139.76}

{
  "lat": 35.68,
  "lon": 139.76,
  "result": {
    "muniCd": "13101",
    "lv01Nm": "皇居外苑"
  },
  "pro": "Batch reverse geocode and combine with elevation: https://jp-reverse-geocode-mcp.donniertf.workers.dev/buy",
  "disclaimer": "Reverse geocoding via GSI LonLatToAddress. Returns municipality code and local name; not a full postal address."
}

Connect (MCP)

Add https://jp-reverse-geocode-mcp.donniertf.workers.dev/mcp to Claude, Cursor or any MCP client (Streamable HTTP, no login for the free tier). Subscribers pass access_token or Authorization: Bearer.

Important

Reverse geocoding via GSI LonLatToAddress. Returns municipality code and local name; not a full postal address.

Data sources & licences

• GSI reverse geocoder (https://mreversegeocoder.gsi.go.jp/)
• GSI DEM elevation

For AI agents

llms.txt · server card · pricing.json · POST /checkout → checkout URL · GET /token?session_id= → access token.

More Japan data MCPs

Save with Japan bundles: jp-mcp-bundles · GitHub hub.

Contact & cancelling

Questions, refunds or cancelling: dmorrisonwebdesign@gmail.com. Run by Donnie Morrison, UK. Payments by Stripe; we never see card details.