US NWS weather alerts and 5-day forecasts for AI agents. $0.01 per call.
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Get active weather alerts for a US state. Give the two-letter state code (for example CA or NY) and get every active National Weather Service alert for it: the event type, the area it covers, its severity, what is happening, and the official instruction. US locations only. No API key and no account: discovery is free, a call costs $0.01 in USDC on Base via x402, and nothing is charged when the request returns no data. Free tools: health and tools/list.
Two-letter US state code (e.g. CA, NY)
Get active weather alerts for a US state. Give the two-letter state code (for example CA or NY) and get every active National Weather Service alert for it: the event type, the area it covers, its severity, what is happening, and the official instruction. US locations only. No API key and no account: discovery is free, a call costs $0.01 in USDC on Base via x402, and nothing is charged when the request returns no data. Free tools: health and tools/list.
| Argument | Type | Description |
|---|---|---|
| state* | string | Two-letter US state code (e.g. CA, NY) |
{
"type": "object",
"required": [
"state"
],
"properties": {
"state": {
"type": "string",
"maxLength": 2,
"minLength": 2,
"description": "Two-letter US state code (e.g. CA, NY)"
}
},
"additionalProperties": false
}Get the weather forecast for a point on the map. Give latitude and longitude and get the next five forecast periods for it: the period name, its temperature, wind speed and direction, and the plain-language forecast. US locations only. No API key and no account: discovery is free, a call costs $0.01 in USDC on Base via x402, and nothing is charged when the request returns no data. Free tools: health and tools/list.
| Argument | Type | Description |
|---|---|---|
| latitude* | number | Latitude of the location |
| longitude* | number | Longitude of the location |
{
"type": "object",
"required": [
"latitude",
"longitude"
],
"properties": {
"latitude": {
"type": "number",
"maximum": 90,
"minimum": -90,
"description": "Latitude of the location"
},
"longitude": {
"type": "number",
"maximum": 180,
"minimum": -180,
"description": "Longitude of the location"
}
},
"additionalProperties": false
}Check that the service is up. Costs nothing.
No arguments.
{
"type": "object",
"properties": {},
"additionalProperties": false
}