LangChain/CrewAI tool: live Kalshi prediction market signals (free API)

One line:

import requests
r = requests.get("https://nexus-agent-xa12.onrender.com/v1/signals?symbol=BTC")
# {"signal":"BULLISH","confidence":73,"kalshi_pct":73.0}

Free. No key. Works in any agent framework.

MCP config: {"mcpServers":{"nexus":{"url":"https://nexus-agent-xa12.onrender.com/mcp"}}}

Paid arb endpoint (x402, $0.01 USDC Base): /arb/check