mcp · China

mcp-caiyun-weather

A Model Context Protocol (MCP) server for Caiyun (ColorfulClouds) Weather.

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Data offered docs-verified: real-time weather · hourly forecast (temperature, conditions, rain probability, precipitation intensity mm/hr, wind) · 7-day daily forecast (temperature range, conditions, rain probability) · historical weather, past 24 hours (temperature, conditions) · weather alerts (title, code, status, description) · air quality (PM2.5, PM10, O3, SO2, NO2, CO) · AQI (China and USA standards) · UV and comfort life indices
Coverage docs-verified: historical: past 24 hours; hourly forecast: 1-360 hours (default 72); daily forecast: next 7 days
Formats llm-inferred: MCP streamable HTTP · MCP stdio
Access docs-verified: API key required (Caiyun Weather token via X-Caiyun-API-Key header for hosted server, or CAIYUN_WEATHER_API_TOKEN env for local install); pricing not stated in docs; MIT licence per ENTRY metadata

Use cases llm-inferred: Hourly precipitation intensity and rain probability for scheduling site works or concrete pours · Real-time and 7-day weather context for site visit and fieldwork planning · 24-hour historical weather record to support site condition or incident notes
Audience llm-inferred: civils engineers · drainage engineers · environmental consultants · planners

Constraints llm-inferred: Requires a Caiyun Weather API key · Coordinates only (lng/lat); no place-name lookup in documented parameters · Historical data limited to the past 24 hours · ENTRY regions lists China only; UK coverage not stated in docs · AQI standards documented are China and USA only; no UK AQI listed · No rate limits, SLA or pricing documented · Hosted server and local install both depend on third-party API availability

Licence: MIT
Authentication: Credentials via env: CAIYUN_WEATHER_API_TOKEN (README-verified)
GitHub stars: 47
Last commit: 01/09/2026
Last successful page check: 14/10/2026
Page health: healthy
Package: Not recorded
Verification: Not independently verified

Tools/install/auth auto-extracted from README; quality score heuristic (stars, recency, tool count, licence).

Metadata observed 15/10/2026 · research sweep: github-search