claude mcp add --transport http rain-check https://rain-check-mu.vercel.app/mcp

npm install
npm run typecheck     # tsc, no emit
npm run smoke         # every operation against the real upstreams
npm run smoke:mcp     # every endpoint over a real node:http server
npm run smoke:live -- https://rain-check-mu.vercel.app        # the deployed server
npm run adversarial -- https://rain-check-mu.vercel.app       # tries to break it
npm run prove -- https://rain-check-mu.vercel.app             # independent evidence

# Anthropic's own inspector, not my code
npx @modelcontextprotocol/inspector --cli https://rain-check-mu.vercel.app/mcp --transport http --method tools/list

# raw JSON-RPC, no client, no session, because it is stateless
curl -s -X POST https://rain-check-mu.vercel.app/mcp -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

# let your own client run its health check against it
claude mcp add --transport http rain-check https://rain-check-mu.vercel.app/mcp
claude mcp list

vercel deploy --prod

src/core.ts          the six operations, with no transport in them
src/mcpServer.ts     the MCP tool surface
src/lib/             http, dates, geocoding, forecast, holidays, thresholds, verdicts
api/mcp.ts           Streamable HTTP, stateless
api/v1/[op].ts       the same operations over REST
api/openapi.ts       the OpenAPI document, generated from the same constants
api/health.ts        calls every upstream and reports real latency
public/index.html    the landing page, including the build log
scripts/             the three verification runs