Bellwether
FreeNot checkedLive Kalshi and Polymarket prediction-market data with cross-venue arbitrage spreads.
About
Live Kalshi and Polymarket prediction-market data with cross-venue arbitrage spreads.
Installing Bellwether
This server has no published package — it is built from source. Open the repository and follow its README.
FAQ
Is Bellwether MCP free?
Yes, Bellwether MCP is free — one-click install via Unyly at no cost.
Does Bellwether need an API key?
No, Bellwether runs without API keys or environment variables.
Is Bellwether hosted or self-hosted?
Self-hosted: the server runs locally on your machine via the install command above.
How do I install Bellwether in Claude Desktop, Claude Code or Cursor?
Open Bellwether on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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