Open-source PineScript v6 backtest engine that reproduces TradingView trade-for-trade: 4,189/4,190 probes excellent-or-strong (312 open corpus + 413 community scripts on 15 markets), 2.8M trades matched. C++17, stable C ABI, Apache-2.0.
One-stop quant-trading AI agent — research · strategy · backtest · paper trade from one prompt. Works in Claude Code, Cursor, and 20+ AI agents via MCP. 60-second install with auto Skill registration.