# Canada Weather Alerts > Active Environment Canada weather warnings for any Canadian postal code — monitor every store, job site, depot or property from one AI agent call. Remote MCP server (Streamable HTTP): https://ca-weather-alerts-mcp.donniertf.workers.dev/mcp Free tier: `weather_alerts` — no key, no sign-up, 20 calls/day per IP. Pro: C$12/month, cancel anytime — all tools, unlimited. ## Tools - weather_alerts (free): FREE. Active Environment Canada warnings, watches and advisories near a Canadian postal code (first 3 characters used). Top 3. - sites_check (Pro): PRO. Check up to 25 postal codes (stores, job sites, depots) for active alerts at once, worst first. - area_alerts (Pro): PRO. All active alerts within a radius (km, max 300) of a postal code, with full text. ## Buying (agents) 1. POST https://ca-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://ca-weather-alerts-mcp.donniertf.workers.dev/token?session_id=... -> {access_token}. 3. Send Authorization: Bearer to https://ca-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://ca-weather-alerts-mcp.donniertf.workers.dev/x402/ -> 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://ca-weather-alerts-mcp.donniertf.workers.dev/.well-known/x402. MCP clients may also send X-PAYMENT on tools/call. Machine-readable pricing: https://ca-weather-alerts-mcp.donniertf.workers.dev/pricing.json · Server card: https://ca-weather-alerts-mcp.donniertf.workers.dev/.well-known/mcp ## Sources - Environment and Climate Change Canada MSC GeoMet OGC API (Open Government Licence – Canada) - Zippopotam.us postal area geocoding ## Notes Active alerts from Environment and Climate Change Canada (MSC GeoMet API, api.weather.gc.ca). For safety decisions follow official ECCC and local emergency guidance. Contact: dmorrisonwebdesign@gmail.com. More UK data MCPs: https://github.com/donniertf-hub/uk-mcp-fleet