this repo by Goldman Sachs quants feels ILLEGAL in trading... Goldman pays each quant ~$700k/year for skills that you can HIRE in your Claude Code for free it's called gs-quant, built and maintained by Goldman's own quants - 12.9k stars first understand how it works: 1. Goldman's quants wrote the skill themselves: 8 files, 1847 lines - it teaches Claude their toolkit: pricing, risk, portfolios, market data, backtests, swaps, swaptions, FX options, delts hedging, transaction costs - all in there. It even lists errors you'll hit and how to fix them.. 2. Claude pulls it in every time it writes gs-quant code and the risk math runs right on your laptop: volatility, drawdown, z-scores, beta, RSI here's is how to run it yourself for FREE: 1. Open Claude Code and install Goldman's library: pip install gs-quant or send this repo - https://t.co/0eJWsAxdpz 2. add skill: python -m gs_quant.skills install --global 3. ask Claude to pull 5 years of daily prices for any stock and SPY with fin