frontend▌

This skill enables systematic extraction of design systems from reference UI images through a multi-step workflow: analyze visual patterns → generate design system documentation → create PRD → produce implementation-ready UI prompts.

Guidelines for building high-quality Expo React Native applications with JavaScript, focusing on clean code, modularity, and performance.

Distinctive, production-grade frontend interfaces that reject generic AI aesthetics. \n \n Guides design thinking before coding: establish bold aesthetic direction (brutalist, maximalist, retro-futuristic, luxury, playful, etc.) with clear purpose, tone, and differentiation \n Emphasizes typography, color theming, motion, spatial composition, and textural details as core design pillars; uses CSS variables, animations, and scroll-triggered effects \n Generates working, functional code (HTML/CSS/J

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Only code in HTML/Tailwind in a single code block. Any CSS styles should be in the style attribute. Start with a response, then code and finish with a response. Don't mention about tokens, Tailwind or HTML. Always include the html, head and body tags. Use lucide icons for javascript, 1.5 strokewidth. Unless style is specified by user, design in the style of Linear, Stripe, Vercel, Tailwind UI (IMPORTANT: don't mention names). Checkboxes, sliders, dropdowns, toggles should be custom (don't add, o

File Organization: This skill uses split structure. See references/ for advanced patterns.

Transform functional UI into visually stunning interfaces without design mockups. \n \n Specializes in visual enhancement, micro-interactions, and creative styling using modern CSS, Tailwind, and animation libraries like Framer Motion \n Covers color theory, typography hierarchy, spacing systems, and accessibility standards (WCAG AA contrast, keyboard navigation, reduced-motion support) \n Includes reusable patterns for glassmorphism cards, skeleton loaders, and common UI components with product

Audit UI code against Vercel's Web Interface Guidelines for design and accessibility compliance. \n \n Fetches the latest guidelines from a remote source before each review, ensuring rules stay current \n Accepts file paths or patterns as arguments; prompts for files if none provided \n Outputs findings in a terse file:line format for quick scanning and remediation \n Covers design, accessibility, and UX best practices as defined in the guidelines repository \n

Create, test, and iteratively improve AI agent skills with structured evaluation and benchmarking. \n \n Guides you through the full skill development lifecycle: intent capture, drafting, test case creation, evaluation, and iteration based on user feedback \n Runs parallel test cases with and without the skill to measure impact, capturing timing and token usage for quantitative comparison \n Generates an interactive browser-based reviewer showing outputs, qualitative feedback, and benchmark metr

UnoCSS is an instant atomic CSS engine designed to be flexible and extensible. The core is un-opinionated - all CSS utilities are provided via presets. It's a superset of Tailwind CSS, so you can reuse your Tailwind knowledge for basic syntax usage.