# Japan Weather Warnings

> JMA weather warnings by prefecture — headlines and multi-area watchlists for your AI agent.

Remote MCP server (Streamable HTTP): https://jp-weather-warnings-mcp.donniertf.workers.dev/mcp
Free tier: `warnings_for` — no key, no sign-up, 20 calls/day per IP.
Pro: ¥1200/month, cancel anytime — all tools, unlimited.

## Tools
- warnings_for (free): FREE. Current JMA weather warnings for a prefecture name or office code (default Tokyo / 130000).
- watchlist (Pro): PRO. Warnings for up to 10 prefectures / office codes at once.
- raw_warning (Pro): PRO. Full JMA warning JSON for one prefecture / office code.

## Buying (agents)
1. POST https://jp-weather-warnings-mcp.donniertf.workers.dev/checkout -> {checkout_url, session_id}. A human (or a payment-capable agent) completes Stripe Checkout at checkout_url.
2. GET https://jp-weather-warnings-mcp.donniertf.workers.dev/token?session_id=... -> {access_token}.
3. Send Authorization: Bearer <access_token> to https://jp-weather-warnings-mcp.donniertf.workers.dev/mcp (or pass access_token in tool arguments).

## Pay per call (x402, USDC on Base)
No account: POST JSON args to https://jp-weather-warnings-mcp.donniertf.workers.dev/x402/<tool> -> HTTP 402 with payment requirements ($0.02 USDC per call, payTo 0x02226D28e0c85AE4AdDB7fe7043Dd2b1Ff710D41). Retry with an X-PAYMENT header (x402 v1, scheme exact, network base). Manifest: https://jp-weather-warnings-mcp.donniertf.workers.dev/.well-known/x402. MCP clients may also send X-PAYMENT on tools/call.
Machine-readable pricing: https://jp-weather-warnings-mcp.donniertf.workers.dev/pricing.json · Server card: https://jp-weather-warnings-mcp.donniertf.workers.dev/.well-known/mcp

## Sources
- Japan Meteorological Agency bosai warning feed

## Notes
Weather warnings from the Japan Meteorological Agency by prefecture office code (e.g. 130000 = Tokyo). Confirm on JMA before acting.
Contact: dmorrisonwebdesign@gmail.com. More UK data MCPs: https://github.com/donniertf-hub/uk-mcp-fleet