Real-time and historical options analytics for US equities. 38 tools covering gamma/delta/vanna/charm exposure, dealer positioning, 0DTE analytics, SVI volatility surfaces, VRP dashboards, Black-Scholes greeks, and Kelly sizing — plus minute-resolution historical replay back to April 2018 for backtesting. Also exposes 5 reference docs as MCP Resources and 4 canonical workflow Prompts (analyze_exposure, vrp_regime_check, historical_comparison, zero_dte_brief). Authenticate with an X-Api-Key header from flashalpha.com.