Ground Truth Worldwide is answering right now. Last checked 2 min ago. It exposes 2 tools.
Live, cited facts for anywhere on Earth: weather, rivers, floods, quakes, disasters, air quality.
Today is the operative word: we check Ground Truth Worldwide every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.
claude mcp add ground-truth-worldwide --transport http https://gt.llpro.ai/mcp
https://gt.llpro.ai/mcp
[mcp_servers.ground-truth-worldwide]
url = "https://gt.llpro.ai/mcp"
{
"mcpServers": {
"ground-truth-worldwide": {
"url": "https://gt.llpro.ai/mcp"
}
}
}
{
"servers": {
"ground-truth-worldwide": {
"type": "http",
"url": "https://gt.llpro.ai/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
ground_truth_ask
ground_truth_sources
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://gt.llpro.ai/mcp | streamable-http | answering | 493 ms | 2 min ago |
Weather, air quality and nearest live sensors anywhere, each with a signed receipt. Free, no key.
Unified weather server: NWS forecasts and alerts, USGS earthquakes, and FEMA disasters.
Climate and disaster risk for any place or trip: forecasts, warnings, floods, quakes, countries, map
UK river levels and rainfall, bathing waters, flood warnings, weather, earthquakes and the GB…
Live earthquakes, ISS position, weather, moon phase, and true star visibility. No key.
Campground search, live availability, weather, safety, and gear for 10,000+ US campgrounds.
Real-world data for agents: air quality, geocoding, quakes, holidays, web search
Weather forecast for any city, UV index, sunrise and sunset, pollen and air quality. Free, no key.
Answers built from our own checks of this server.