Martin Fowler's refactoring catalog as actionable skill. Extract method, inline variable, replace conditional with polymorphism, and 50+ more refactoring patterns.
Simulates and tests UI responsiveness across thousands of device viewports simultaneously.
Fetch and summarize latest tech news for Claude Code
Test mocking helper that auto-generates mock objects and stubs from interfaces and APIs.
Enforces coding standards and detects anti-patterns in real-time.