Use when implementing critical user workflows that span multiple pages/components - tests complete journeys end-to-end using Page Object Model, user-centric selectors, and condition-based waiting; use sparingly (10-15% of tests)
/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.
example.tsBuild 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.