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mcp/harbor
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groundhog.markets MCP

v1.2.0 changelog · 1

markets.groundhog/weather

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

transport:streamable-http tools:8
Website

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

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

forecast

forecast

places

places

sources

sources

markets

markets

receipts

receipts

search Read-only

search

fetch Read-only

fetch

history

history

All 8 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.