Japan AMeDAS Observations

Nationwide JMA AMeDAS temperature, humidity and precipitation observations — live station map for your AI agent.

For agritech, energy, logistics and weather agents covering Japan. Free: latest timestamp + sample. Pro: station lookup and extremes.

Tools

• latest_obs_time (free) — FREE. Latest AMeDAS observation timestamp published by JMA, plus a sample of Tokyo-area stations if present.
• station (Pro) — PRO. Observation for one AMeDAS station ID at the latest timestamp.
• extremes (Pro) — PRO. Warmest and coldest AMeDAS stations in the latest map (by temp).

Live free example

latest_obs_time {}

{
  "latest_time": "2026-10-17T03:10:00+09:00",
  "sample_stations": [
    {
      "id": "11001",
      "temp_c": 9.5,
      "humidity": 50,
      "precipitation_mm": 0
    },
    {
      "id": "11016",
      "temp_c": 9.8,
      "humidity": 40,
      "precipitation_mm": 0
    },
    {
      "id": "11046",
      "temp_c": 9.1,
      "humidity": 35,
      "precipitation_mm": 0
    },
    {
      "id": "11061",
      "temp_c": 9.7,
      "precipitation_mm": 0
    },
    {
      "id": "11076",
      "temp_c": 6.6,
      "humidity": 61,
      "precipitation_mm": 0
    }
  ],
  "station_count": 1286,
  "pro": "Lookup by station id, filter warm/cold stations, full snapshot meta: https://jp-amedas-obs-mcp.donniertf.workers.dev/buy",
  "disclaimer": "AMeDAS surface observations from JMA. Station map keys are AMeDAS IDs; temperatures in °C."
}

Connect (MCP)

Add https://jp-amedas-obs-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

AMeDAS surface observations from JMA. Station map keys are AMeDAS IDs; temperatures in °C.

Data sources & licences

• Japan Meteorological Agency AMeDAS bosai feed

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.