Use when creating new skills, editing existing skills, testing skills with pressure scenarios, or verifying skills work before deployment - applies TDD to process documentation by running baseline tests, writing minimal skill, and closing loopholes until bulletproof against rationalization
/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.
anthropic-best-practices.mdgraphviz-conventions.dotpersuasion-principles.mdBuild 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.