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groundhog.markets

MCP server · hosted · v1.2.0 · markets.groundhog/weather
Online · tested 8m agoNEW · 44m agoSeen in the registry 14m ago

groundhog.markets: free weather forecasts in one call, plus Kalshi and Polymarket market rules.

Website ↗How to connect ↓

What it does

groundhog.markets is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES
Local installNO
Version1.2.0
PriceNot in the registry
First seen28 Oct 2026
Last checked14m ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 8m ago (live check)

Hosted endpoint

  • https://groundhog.markets/mcp streamable-http

In Claude Code: claude mcp add --transport http groundhog-markets https://groundhog.markets/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

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

Live check

Electra Index connected to the hosted endpoint 8m ago

ONLINE groundhog.markets answered an MCP connection on 28 Oct 2026 and introduced itself as groundhog 1.2.0 (MCP protocol 2025-06-18).

8 tools offered to AI assistants

  • 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 re
  • 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
  • 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/mi

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Hosted endpointhttps://groundhog.markets/mcpDECLAREDSRC-001 Official MCP Registry14m ago
Local install (package)noDECLAREDSRC-001 Official MCP Registry14m ago
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registry14m ago
Websitehttps://groundhog.markets/agents?ref=mcp-registryDECLAREDSRC-001 Official MCP Registry14m ago
Registry statusactiveDECLAREDSRC-001 Official MCP Registry14m ago
Version1.2.0DECLAREDSRC-001 Official MCP Registry14m ago
MCP serveryesDECLAREDSRC-001 Official MCP Registry14m ago

Change history

  • NEW28 Oct 2026
    first seen in the index

Is this page accurate?

Flag it and our robot re-checks the official source. Reports never change a score.

Do you run groundhog.markets? Know when it stops answering

For publishers · optional

Its hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.

Monitor groundhog.marketsLaunch offer $39.99 once, for life instead of $9.99/month · All plans

Monitoring never changes a score or a rank.

Are you the publisher of groundhog.markets?

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Announce it on LinkedInListed on Electra Index
<a href="https://electraindex.com/mcp/groundhog-markets?utm_source=badge&utm_medium=share&utm_campaign=listing"><img src="https://electraindex.com/api/badge/groundhog-markets" alt="Listed on Electra Index"></a>

Questions about groundhog.markets

How do I connect groundhog.markets?

Use the hosted endpoint https://groundhog.markets/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does groundhog.markets offer?

When Electra Index connected on 28 Oct 2026, it listed 8 tools: forecast, places, sources, markets, receipts, search, fetch, history. The full list is in "Live check" above.

Is groundhog.markets online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 8m ago.