Scan codebase to identify opportunities to replace custom implementations with well-maintained open source libraries. Creates worktree, implements changes, and submits PR for review. Multi-phase workflow with parallel analysis agents.
/plugin marketplace add samjhecht/wrangler/plugin install wrangler@samjhecht-pluginsThis skill inherits all available tools. When active, it can use any tool Claude has access to.
Build robust backtesting systems for trading strategies with proper handling of look-ahead bias, survivorship bias, and transaction costs. Use when developing trading algorithms, validating strategies, or building backtesting infrastructure.