Rekko MCP
Prediction market intelligence for AI coding assistants. Deep causal research, arbitrage detection, screening, and strategy signals for Kalshi, Polymarket, and Robinhood.
Install
# Zero-install via uvx
uvx rekko-mcp
# Or install from PyPI
pip install rekko-mcp
Claude Code
claude mcp add rekko -- uvx rekko-mcp
Or add to .mcp.json:
{
"mcpServers": {
"rekko": {
"command": "uvx",
"args": ["rekko-mcp"],
"env": {
"REKKO_API_KEY": "rk_free_your_key_here"
}
}
}
}
Cursor / Windsurf
Add to your MCP configuration with the same uvx rekko-mcp command and REKKO_API_KEY env var.
Setup
- Get an API key at rekko.ai (free tier available)
- Set your key:
export REKKO_API_KEY=rk_free_... - Start using — tools appear as
mcp__rekko__*automatically
Example prompts
- "What are the top prediction markets right now?"
- "Analyze the Fed rate decision market on Kalshi"
- "Find arbitrage opportunities above 3% spread"
- "Screen the top 50 Kalshi markets and analyze anything actionable"
- "Show my shadow portfolio performance"
What you get
25 MCP tools integrated natively into your AI assistant:
| Category | Tools |
|---|---|
| Market intelligence | list_markets, get_market, search_markets, get_market_history, get_resolution, get_execution_guidance |
| Screening | screen_markets, get_calibration |
| Deep research | analyze_market, check_analysis_status, get_analysis, list_analyses |
| Strategy | get_strategy, get_portfolio_strategy, get_consensus |
| Arbitrage | get_arbitrage, get_arbitrage_live |
| Correlation | get_correlation |
| Trading | place_shadow_trade, report_trade, get_portfolio, get_performance, check_resolutions |
| Data | run_scraper |
| Webhooks | create_webhook, list_webhooks, delete_webhook |
Pricing
| Tier | Price/call | What you get |
|---|---|---|
| Free | $0.00 | Calibration metrics, health check |
| Listing | $0.01 | Browse and search markets, price history |
| Insight | $0.10 | Start analyses, screen markets, resolution intelligence |
| Strategy | $2.00 | Strategy signals, portfolio-aware sizing, consensus |
| Deep | $5.00 | Arbitrage scanning, correlation analysis, webhooks |
Full pricing details at rekko.ai/docs/pricing.
Chaining with execution skills
Rekko provides the intelligence — chain with execution skills for trading:
- PolyClaw — execute trades on Polymarket
- Kalshi Trader — execute trades on Kalshi
Example flow: Rekko analysis → strategy signal → PolyClaw executes the trade.
Links
- rekko.ai/docs — Full documentation
- API Reference — Direct API access
- RapidAPI — Marketplace subscription
- Discord — Community