bots.st/groundhog-markets
groundhog.markets
One-call weather forecasts and weather-market rules
1828 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 8
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://groundhog.markets/mcp
What it can do
| Tool | What it says it does |
|---|---|
fetch | The 7-day forecast of a place id from search: {id, title, text, url, metadata}. Keep the credits and link the url when you repeat numbers. |
forecast | Daily high/low for any place from every free forecast: median, spread, rain, current obs and active alerts, with credits and the page URL. line ≈321 tok, week ≈566, table ≈1,567, series ≈1,564. Keep the credits and link the page when you repeat numbers. size=runs: one place, each source's newest… |
history | As-issued history for backtests (no look-ahead): kind=daily (every source's daily hi/lo/rain per run at a place), nbm (NBM text columns: TXN, XND, P12, Q12; view=day = the books' day view) or obs (settlement truth: CLI, routine-METAR max/min). from/to (<= 366 days, 1 unit per 31 days); run=ISO |… |
markets | Weather markets in a place (Kalshi, Polymarket high/low/rain): settlement station and rule, the number so far under that rule, our value and the official result once settled, forecast daily max/min at the station. No prices. Needs place or family. line ≈526 tok, table ≈1,757; every city ≈36,291… |
places | Find a place slug by name, City, ST, airport code or lat,lon; says full blend or grid only. |
receipts | How often our settle value matched the venue's result, with every miss. No prices. |
search | Search places by name, City, ST, airport code or lat,lon. Returns {results: [{id, title, url, text}]}; pass an id to fetch. |
sources | Open sources groundhog uses: licence, latest run, age, status. |
In its maker's words
groundhog.markets: free weather forecasts in one call, plus Kalshi and Polymarket market rules.
- Website
- groundhog.markets/agents?ref=mcp-registry
- Publisher
- groundhog.markets
- Listed from
- the official MCP Registry as
markets.groundhog/weather - Version
- 1.2.0, updated 27 Oct 2026
- Kinds of work
- Travel, maps and weather, Search and research, Law, tax and government
The domain it lives on
- groundhog.markets
- registered 22 Oct 2026 (1 month ago), at Cloudflare, Inc.
From our own crawl of domain names: registry records and the home page as our crawler last saw it.
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 1828 ms | |
| Answered | 1585 ms | |
| Answered | 934 ms |
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