Weather briefing

Full weather briefing for a location: current conditions, 7-day forecast, and air quality index in one pass.

When to use this pack

An agent needs a comprehensive weather picture for a location — not just 'is it raining now?' but 'what's the full outlook?' Common triggers: a user asks about weather before a trip, a scheduling agent needs to warn about upcoming severe weather, or a logistics system needs outdoor conditions + AQI for worker safety. Running the three weather tools individually loses the composite picture; this pack sequences them and produces a unified briefing with current snapshot, daily forecast, and air quality side-by-side.

Tools in this pack

Current weather (global) $0.003 GET /api/weather-current Current weather conditions for any location on Earth: temperature, feels-like, humidity, wind speed/direction/gusts, precipitation, cloud cover, pressure, and human-readable condition. Open-Meteo, no key, global. ?lat=48.86&lon=2.35.
Daily forecast (global) $0.003 GET /api/weather-daily 7-day daily weather forecast for any location: high/low temp, precipitation sum and probability, max wind, UV index, sunrise/sunset. Open-Meteo, no key, global. ?lat=35.68&lon=139.69.
Air quality (global) $0.003 GET /api/weather-air-quality Current air quality index and pollutant concentrations for any location: US AQI, PM2.5, PM10, ozone, NO2, SO2, CO. Open-Meteo air quality API, no key, global. ?lat=28.61&lon=77.23.

Workflow

Call weather-current with lat and lon to get the real-time snapshot: temperature, wind speed and direction, humidity, apparent temperature, weather condition code. This is the 'what's happening right now' answer. If the response includes a condition like 'Thunderstorm' or wind > 60 km/h, flag it as a severe-weather alert in the final briefing.
Call weather-daily with the same lat and lon (days=7 or the caller's horizon) for the extended forecast. Each day returns high/low temperatures, precipitation probability and sum, max wind gust, and dominant weather code. Scan for any day with precipitation probability > 70% or max gust > 80 km/h and add to a warnings list. Also compute the temperature trend (rising/falling/stable) across the 7 days for a one-line summary.
Call weather-air-quality with the same lat and lon for the current AQI reading: PM2.5, PM10, ozone, NO2, SO2, CO, and the US AQI category (Good/Moderate/Unhealthy/etc.). AQI category 'Unhealthy for Sensitive Groups' or worse should appear as a health advisory in the final briefing. Final payload: { location: {lat, lon}, current: {temperature, feelsLike, humidity, windSpeed, windDirection, condition}, forecast: [{date, high, low, precipProbability, precipSum, maxGust, condition}], airQuality: {aqi, category, pm25, pm10, ozone}, trend: 'warming'|'cooling'|'stable', warnings: [<string flags>] }.

Run it in Claude

claude mcp add agent402 -s user -- npx -y agent402-mcp@latest

Then paste this prompt into Claude:

Generate a weather briefing for coordinates lat=48.8566, lon=2.3522 using Agent402.

(1) weather-current with lat=48.8566, lon=2.3522 — returns {temperature, feelsLike, humidity, windSpeed, windDirection, condition, conditionCode}. Initialize warnings = []. If conditionCode >= 95 (thunderstorm), push 'Thunderstorm in progress'. If windSpeed > 60, push 'High winds (>{windSpeed} km/h)'.

(2) weather-daily with lat=48.8566, lon=2.3522, days=7 — returns {days: [{date, high, low, precipProbability, precipSum, maxGust, condition}]}. For each day: if precipProbability > 70, push 'Rain likely on {date} ({precipProbability}%)'. If maxGust > 80, push 'Strong gusts on {date} ({maxGust} km/h)'. Compute trend: compare days[0].high vs days[6].high — diff > 3 = 'warming', diff < -3 = 'cooling', else 'stable'.

(3) weather-air-quality with lat=48.8566, lon=2.3522 — returns {aqi, category, pm25, pm10, ozone, no2, so2, co}. If category is not 'Good' and not 'Moderate', push 'Air quality advisory: {category}'.

Final return: {location: {lat: 48.8566, lon: 2.3522}, current: <step 1>, forecast: <step 2 days>, airQuality: {aqi, category, pm25, pm10, ozone}, trend: <computed>, warnings}. Budget ~$0.005 paid; all 3 tools are wallet-only (external API calls to Open-Meteo).

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