Bellwether

latest · 0.1.0

Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.

Homepage: bellwether.markets
MCP registry: markets.bellwether/prediction-markets

Install

claude mcp add --transport http markets-bellwether-prediction-markets https://api.bellwether.markets/mcp

/mcp confirms it's connected.

Install

Or add it manually in ~/.cursor/mcp.json:

{
  "mcpServers": {
    "markets-bellwether-prediction-markets": {
      "url": "https://api.bellwether.markets/mcp"
    }
  }
}

In claude_desktop_config.json (Settings → Developer → Edit Config), then restart:

{
  "mcpServers": {
    "markets-bellwether-prediction-markets": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://api.bellwether.markets/mcp"
      ]
    }
  }
}

Endpoint, any MCP client:

https://api.bellwether.markets/mcp

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0.1.0release date unknown

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Details

Transport: streamable-http
Status: listed
Source: Imported from the MCP registry
Homepage: site ↗