소개
Test Master acts as a senior QA lead within Claude Code, helping developers implement robust testing strategies across the entire development lifecycle. It offers specialized modes for functional correctness, performance benchmarking, and security auditing, ensuring that features are not only bug-free but also scalable and secure. Whether you are building automated E2E frameworks, writing complex unit tests, or analyzing quality metrics, this skill provides the patterns and assertions needed to maintain high-quality production code and implement shift-left testing practices.