1performance-optimizationLanguage-agnostic performance optimization skill distilled from Google's Abseil performance wisdom. Covers measurement methodology, optimization techniques, and cross-language patterns for C++, Rust, and TypeScript.0.1.0version
2swift-designReview and generate SwiftUI views for design quality, HIG compliance, accessibility, and modern API usage. 40 enforceable rules, letter grading, visual screenshot review, and design token references for iOS design excellence.0.1.0version
3ui-refactorUI design reviewer distilled from Refactoring UI principles. Reviews screenshots, code, and descriptions for hierarchy, spacing, typography, color, depth, and polish — with concrete CSS fixes and named anti-patterns.0.1.0version