groundhog.markets for Claude Code

markets.groundhog/weather

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

client:Claude Code transport:streamable-http tools:8

Install groundhog.markets in Claude Code

run in your project directory

claude mcp add --transport http weather https://groundhog.markets/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs