For the developer
What Swath does, for developers
Two minutes: the API surface, the MCP server, where the data comes from, and why it beats the alternatives.
What it is
Source of truth
NOAA MRMS radar
Measured events only. No forecasts, ever.
Surfaces
REST · MCP · SDK
Same data, whichever way you reach it.
GET /v1/storms?type=hail
$ curl -H "Authorization: Bearer sk_..." \
https://swathapi.com/v1/storms?type=hail
{
"data": [{
"storm_id": "sw_b59c22c1",
"type": "hail",
"verified_at": "2026-07-07T03:00:00Z",
"status": "active",
"swath_id": "swath_30d81e23",
"mesh_max_in": 2.37,
"area_km2": 117
}]
}
VERBATIM RESPONSE SHAPE — FIELD FOR FIELD
MCP — nine tools, one URL
// claude_desktop_config.json — or paste the URL in settings
{
"mcpServers": {
"swath": {
"url": "https://swathapi.com/mcp"
}
}
}
find_stormsget_swath_report
lookup_propertyshow_swath_map
create_monitor+4 more
Independently listed
Anthropic
Connectors Directory
Reviewed and published, not self-declared.
Glama
Quality score A
Automated audit of a public MCP server.
ALSO IN THE OFFICIAL MCP REGISTRY
Why the data is different
Crowd-sourced reportssparse · biased
Insurance claim datamonths late
Forecast / probabilitynot an event
Swath — MRMS radar gridmeasured · ~1 km · minutes
HAIL SIZE AT AN ADDRESS, NOT "A STORM WAS NEARBY"
Start free
Free tier
100 credits/mo
No card. Storms, maps, monitors, quotes.
Quote before you buy
Always
Every report can be priced first, for free.
STARTER $29 · DEVELOPER $199 · SCALE $999 — SEE /PRICING
Swath is a storm-intelligence API for the continental US. Hail verified against NOAA MRMS radar, damaging wind against measured NWS reports — then every property under the swath. REST, MCP, and SDKs.
Not a developer? See the business-owner walkthrough →