Skill UI

A comprehensive collection of agent skills for rigorously auditing digital interfaces and user flows. It evaluates designs against 168 research-backed UX/UI principles, detects common design antipatterns, and provides specialized review for AI-powered interfaces, ensuring adherence to modern best practices.

This skill scaffolds a complete, cohesive, mobile-first page structure, ensuring consistency across the entire application. It guides the user to define the page's core purpose, apply the Information Pyramid, and compose the layout using established design systems and existing components (shell, navigation, cards). It is ideal for starting new product flows or developing new screens while maintaining professional structural integrity and mobile-first best practices.

This skill provides a deep audit of user experience (UX) and usability, going beyond basic visual checks. It systematically evaluates screens, flows, and components against Nielsen's 10 usability heuristics and modern mobile best practices. Use it when you need to identify structural flaws, cognitive load issues, or navigation regressions in a product design, providing prioritized issues, violated heuristics, and concrete remediation steps.