# Japan Typhoon Tracker

> Active typhoons and tropical cyclones from JMA — live target list for your AI agent.

Remote MCP server (Streamable HTTP): https://jp-typhoon-tracker-mcp.donniertf.workers.dev/mcp
Free tier: `active_typhoons` — no key, no sign-up, 20 calls/day per IP.
Pro: ¥1500/month, cancel anytime — all tools, unlimited.

## Tools
- active_typhoons (free): FREE. Active tropical cyclones tracked by JMA (target list).
- storm_list (Pro): PRO. Full JMA target tropical cyclone list.
- storm_detail (Pro): PRO. Try to fetch forecast detail for a tropicalCyclone id from the target list (e.g. TC2636).

## Buying (agents)
1. POST https://jp-typhoon-tracker-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-typhoon-tracker-mcp.donniertf.workers.dev/token?session_id=... -> {access_token}.
3. Send Authorization: Bearer <access_token> to https://jp-typhoon-tracker-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-typhoon-tracker-mcp.donniertf.workers.dev/x402/<tool> -> HTTP 402 with payment requirements ($0.03 USDC per call, payTo 0x02226D28e0c85AE4AdDB7fe7043Dd2b1Ff710D41). Retry with an X-PAYMENT header (x402 v1, scheme exact, network base). Manifest: https://jp-typhoon-tracker-mcp.donniertf.workers.dev/.well-known/x402. MCP clients may also send X-PAYMENT on tools/call.
Machine-readable pricing: https://jp-typhoon-tracker-mcp.donniertf.workers.dev/pricing.json · Server card: https://jp-typhoon-tracker-mcp.donniertf.workers.dev/.well-known/mcp

## Sources
- Japan Meteorological Agency bosai typhoon feed

## Notes
Tropical cyclone / typhoon positions from the Japan Meteorological Agency bosai feed. For official warnings follow JMA.
Contact: dmorrisonwebdesign@gmail.com. More UK data MCPs: https://github.com/donniertf-hub/uk-mcp-fleet