{"provider":{"title":"Earthquake Alerts","description":"Real-time earthquake data from USGS. Query recent earthquakes by time period and minimum magnitude. Optionally filter by geographic radius. Returns magnitude, location, depth, and tsunami warnings.","price":{"currency":"USD","amountCents":0.1,"amountMicrodollars":1000,"unit":"call"},"runContract":{"method":"POST","endpointPath":"/run","inputSchema":{"type":"object","properties":{"period":{"type":"string","enum":["hour","day","week","month"],"description":"Time period (default \"day\")"},"minMagnitude":{"type":"string","enum":["1.0","2.5","4.5","significant"],"description":"Minimum magnitude threshold (default \"2.5\")"},"latitude":{"type":"number","minimum":-90,"maximum":90,"description":"Filter: center latitude for radius search (-90 to 90)"},"longitude":{"type":"number","minimum":-180,"maximum":180,"description":"Filter: center longitude for radius search (-180 to 180)"},"maxRadiusKm":{"type":"number","exclusiveMinimum":true,"minimum":0,"maximum":20000,"description":"Filter: max radius in km from lat/lon (default 500)"}},"additionalProperties":false},"outputSchema":{"type":"object","properties":{"earthquakes":{"type":"array","items":{"type":"object","properties":{"magnitude":{"type":"number","description":"Earthquake magnitude"},"place":{"type":"string","description":"Location description (e.g. \"45 km E of Chenega, Alaska\")"},"time":{"type":"string","description":"Time of earthquake (ISO 8601)"},"latitude":{"type":"number","description":"Latitude"},"longitude":{"type":"number","description":"Longitude"},"depth":{"type":"number","description":"Depth in km"},"url":{"type":"string","description":"USGS detail URL"},"tsunami":{"type":"boolean","description":"Whether a tsunami warning was issued"},"alert":{"type":"string","description":"Alert level (green, yellow, orange, red)"}},"required":["magnitude","place","time","latitude","longitude","depth","url","tsunami"],"additionalProperties":false},"description":"List of earthquakes, newest first"},"total":{"type":"number","description":"Total earthquakes matching criteria"},"period":{"type":"string","description":"Time period queried"}},"required":["earthquakes","total","period"],"additionalProperties":false}}}}