What problem does it solve? Understanding a project's visual language normally requires building and rendering the app, which fails when dependencies are missing or the build is broken. This Skill reads frontend source files directly to reverse-engineer a complete design system document. ## Core Features & Use Cases - Source-Based Extraction: Analyzes stylesheets, component files, Tailwind configs, theme definitions, and design tokens across React, Vue, Svelte, Angular, and plain CSS projects. - Structured DESIGN.md Output: Produces a Stitch-compatible design system document with YAML frontmatter covering colors, typography, spacing, components, and layout principles. - Framework-Specific Guidance: Ships reference files with extraction patterns for React/Tailwind, Vue, Svelte, Angular, and plain CSS/SASS codebases. - Use Case: Point it at a frontend repo you inherited and ask for a design audit — it consolidates near-duplicate colors, names tokens descriptively, and documents the intended visual language. ## Quick Start Extract the design system from this frontend codebase and write a DESIGN.md file describing its colors, typography, and component styles.