Use when facing 3+ logically independent failures (different features, different root causes) that can be investigated concurrently - dispatches multiple agents to investigate in parallel; requires either parallel-safe test infrastructure OR sequential fix implementation
/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.