# US Severe Weather Alerts

> Active National Weather Service warnings for any US ZIP — monitor every store, job site, depot or property from one AI agent call.

Remote MCP server (Streamable HTTP): https://us-weather-alerts-mcp.donniertf.workers.dev/mcp
Free tier: `weather_alerts` — no key, no sign-up, 20 calls/day per IP.
Pro: $9/month, cancel anytime — all tools, unlimited.

## Tools
- weather_alerts (free): FREE. Active National Weather Service alerts (warnings, watches, advisories) for a US ZIP code — top 3 by severity.
- sites_check (Pro): PRO. Check up to 25 ZIPs (stores, job sites, fleet depots, properties) for active alerts at once, worst first.
- state_alerts (Pro): PRO. All active alerts in a state, filterable by event (e.g. 'Tornado', 'Flood', 'Heat') and severity, with instructions.

## Buying (agents)
1. POST https://us-weather-alerts-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://us-weather-alerts-mcp.donniertf.workers.dev/token?session_id=... -> {access_token}.
3. Send Authorization: Bearer <access_token> to https://us-weather-alerts-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://us-weather-alerts-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://us-weather-alerts-mcp.donniertf.workers.dev/.well-known/x402. MCP clients may also send X-PAYMENT on tools/call.
Machine-readable pricing: https://us-weather-alerts-mcp.donniertf.workers.dev/pricing.json · Server card: https://us-weather-alerts-mcp.donniertf.workers.dev/.well-known/mcp

## Sources
- National Weather Service API (api.weather.gov), public domain
- Zippopotam.us ZIP geocoding

## Notes
Active alerts from the National Weather Service API (api.weather.gov). For life-safety decisions follow official NWS and local emergency guidance.
Contact: dmorrisonwebdesign@gmail.com. More UK data MCPs: https://github.com/donniertf-hub/uk-mcp-fleet