groundhog.markets

Reliability

Status and outage history · Atom feed · Watch with other listings

How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "groundhog-markets": {
      "type": "http",
      "url": "https://groundhog.markets/mcp"
    }
  }
}

8 tools

• 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…

• places

  Find a place slug by name, City, ST, airport code or lat,lon; says full blend or grid only.

• sources

  Open sources groundhog uses: licence, latest run, age, status.

• 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…

• 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.

• 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.

• 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…

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