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reefjaco POST /weather Current weather plus 3-day forecast for a city name (Open-Meteo, no key)

Global weather forecast by latitude/longitude: up to 48 hours of temperature, humidity, wind, cloud cover and next-hour precipitation in UTC with explicit units and model update time. Forecasts, not live observations; missing fields are null and sparse periods are not interpolated. Based on MET Norway data (CC BY 4.0); outage cache is flagged stale.

Seattle weather forecast API: live temperature nowcast and daily high forecast for Seattle-Tacoma Intl (KSEA), with calibrated probability the temperature ends above/below any Fahrenheit strike. KSEA is the official settlement station for Kalshi KXHIGHTSEA daily high temperature prediction markets. Built for AI agents trading weather prediction markets or needing real-time weather data. $0.05 with

Dew point from air temperature and relative humidity in C and F, with a human comfort class and condensation hint.

Active sunspot regions on the Sun now: count, complex magnetic types that can flare, and recent flare counts.

Where The ISS At satellite position (keyless). POST {} or {id?} (default 25544 ISS). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: jpl-horizons / sbdb-lookup / exoplanet-archive / swpc-space-weather / nasa-power-point (≠ those products).

NOAA SWPC space-weather alerts / X-ray flares (keyless). POST {product} alerts|xray-flares-latest. Empty -> 400 not charged. New space-weather vertical — disclose NASA space adjacency lightly.

SPC Day-N convective outlook GeoJSON (keyless). POST {day?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: nws-alerts-lookup / gdacs-events / weather-forecast / nhc-current.

NWS active weather alerts (keyless). POST {area} and/or {point}/{zone}. Empty features → 404 not charged.

NHC active tropical storms JSON (keyless). POST {} or {basin?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: gdacs-events / nws-alerts-lookup / weather-forecast (≠ those products).

NASA POWER daily point climate/solar (keyless). POST {latitude}/{longitude}/{start}/{end} (+ optional parameters/community/format). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: swpc-space-weather / climate-trace-emissions (space weather / GHG ≠ POWER point meteorology).

NASA/JPL Horizons ephemeris/physical (keyless). POST {command} (+ optional obj_data/make_ephem/ephem_type/center/start_time/stop_time/step_size/format). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Light adjacency: swpc-space-weather (space weather ≠ Horizons ephemeris).

Aviation Weather Center METAR observations (keyless). POST {ids}/{icao?} required. Empty -> 400 not charged. nws-alerts / weather / air-quality adjacency disclosed.

Dedicated satellite tracking API for agents: list CelesTrak TLE catalog groups (ISS, weather, and more), get live propagated positions for a whole catalog group, and predict the next pass over an observer latitude/longitude using NORAD catalog IDs. Outbound CelesTrak fetch only; no shell access.

NOAA HRRR 3km weather forecast at any CONUS coordinate. Returns temperature, dew point, wind, precipitation, and cloud cover for up to 18 forecast hours.

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GFS+ECMWF ensemble temperature probability for NWS weather prediction markets

Observed max/min so far today at a settlement station from METAR/SPECI reports (incl. 6/24-hour max/min groups), local-day aware: separate Kalshi climate-day (LST) and Polymarket local-day windows, plus latest reading.

Current weather for a city (or lat/lon): temperature, feels-like, humidity, wind, precipitation and conditions. JSON.

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Active NWS weather alerts for a US state/area code (path: /alerts/area/TX)

7-day weather forecast for Sudbury: daily highs and lows, precipitation probability and totals, wind and conditions, plus hourly detail for today, from Open-Meteo. Trip planning and scheduling for Sudbury without an API key. $0.01 per call.

Current weather for any place on earth. Give a city name or a latitude/longitude pair; get temperature, conditions, wind and humidity.

Verify a claim or fact check a statement against public web sources: send a question and up to 5 URLs, get cited evidence - passages that support, contradict or fail to settle it. Claim verification with a citation for every excerpt: source URL, retrieval time, content hash. Never charges when nothing is retrieved. Free to evaluate: the `sample` tool returns one real response at no cost, so you ca