add marketlens to prediction markets (#508)

Co-authored-by: Paweł Fijałkowski <pawelfijalkowski@Pawes-MacBook-Air-2.local>
Co-authored-by: Wilson Freitas <wilson.freitas@gmail.com>

README.md

@@ -552,6 +552,7 @@ A curated list of insanely awesome libraries, packages and resources for Quants
 - [PolyMind](https://polyminds.netlify.app/) - `Python` - Real-time Polymarket trading alerts with multi-AI analysis (Groq, Claude, Gemini). Track whale bets, volume spikes, coordinated wallets, and 12 signal types. Free tier available. [GitHub](https://github.com/samirasadov28-code/PolyMind)
 - [prediction-market-maker](https://github.com/octavi42/prediction-market-maker) - `Python` - Open-source market-making strategy that placed #2 in Paradigm's prediction market challenge, with full strategy evolution and analysis.
 - [Oracle3](https://github.com/YichengYang-Ethan/oracle3) - `Python` - Autonomous trading agent for Kalshi, Polymarket, and Solana — Wang Transform pricing (calibrated on 291k resolved contracts) drives eight constraint-based arbitrage strategies and Kelly-sized model trades.
+- [marketlens](https://github.com/marketlenstrade/marketlens-python) - `Python` `MCP` - Tick-level Polymarket order book history with replay and a backtesting engine simulating queue priority, latency, and slippage.
 - [polymarket-bot-lab](https://github.com/oraclemangle/polymarket-bot-lab) - `Python` - Open-sourced research lab of 11 candidate Polymarket trading bots (weather, sports, longshot fades, maker, whale-flow) with a shared CLOB/backtest framework, ADR decision log, and honest paper/live results. Companion free dataset: [polymarket-canary-tape](https://huggingface.co/datasets/oraclemangle/polymarket-canary-tape) (300M+ events, CC-BY-4.0).
 
 ## Calendars & Market Hours