design▌

Create, edit, and analyze Excel spreadsheets with formulas, formatting, and error-free calculations. \n \n Supports reading, creating, and modifying .xlsx, .xlsm, .csv, and .tsv files using pandas for data analysis and openpyxl for formulas and formatting \n Automatically recalculates all formulas and scans for Excel errors (#REF!, #DIV/0!, #VALUE!, #N/A, #NAME?) using LibreOffice integration \n Enforces industry-standard color coding and number formatting for financial models (blue for inputs,

This skill provides a curated knowledge base of 60+ UI component patterns sourced from component.gallery and enriched with best practices, layout guidance, and usage rules. It replaces generic guessing with real design-system knowledge when generating interfaces.

This skill guides creation of distinctive, production-grade frontend interfaces that avoid generic "AI slop" aesthetics. Implement real working code with exceptional attention to aesthetic details and creative choices.

Audience-centered presentation design framework covering planning, visual strategy, cognitive load, and evaluation. \n \n Provides assertion-evidence structure to replace bullet points with clear claims supported by visual evidence, reducing cognitive overload \n Includes four evaluation phases: audience and content planning, visual strategy, cognitive load management, and structure patterns with scoring rubrics \n Covers five common anti-patterns (data dumps, script reading, template traps, ani

CSS-first design system framework for Tailwind v4 with tokens, components, and responsive patterns. \n \n Migrates configuration from tailwind.config.ts to CSS @theme blocks with native CSS variables, OKLCH color spaces, and @custom-variant for dark mode \n Provides production-ready component patterns including CVA-based variants, compound components, form controls, grids, and animations using native @keyframes and @starting-style \n Includes design token hierarchy (brand → semantic → component)

Mobile-first CSS layouts using Flexbox, Grid, media queries, and responsive images across all devices. \n \n Covers mobile-first design progression from 320px through large screens (1440px+) with standard breakpoint definitions \n Implements Flexbox for 1-dimensional layouts and CSS Grid for 2-dimensional layouts, with practical examples for navigation, cards, and dashboards \n Includes responsive image techniques: srcset for resolution-aware loading, picture element for art direction, and CSS b

Cross-platform mobile app development with Expo Router, NativeWind, and React Native. \n \n Provides navigation patterns using Expo Router for structured, file-based routing in mobile apps \n Includes styling guidance with NativeWind and Tailwind CSS for consistent, utility-first design across platforms \n Covers native UI components including tabs and animation patterns for polished mobile experiences \n Built on React and TypeScript for type-safe, maintainable code \n

This skill provides expert guidance for conducting thorough frontend design reviews, covering UI/UX design quality, design system consistency, accessibility compliance, and responsive design patterns. The skill helps identify design issues early in the development lifecycle, ensuring designs meet quality standards, accessibility requirements, and business objectives before implementation.

Build tools that agents can use effectively, including architectural reduction patterns

Native iOS interface design aligned with Apple's Human Interface Guidelines and platform conventions. \n \n Covers eight core design areas: layout and safe areas, typography with Dynamic Type, semantic colors and Dark Mode, native navigation patterns, system controls, accessibility (VoiceOver, contrast, touch targets), SF Symbols, and standard gestures with haptic feedback \n Includes scoring framework (0-10) for auditing iOS interface adherence, common mistakes table, and quick diagnostic check