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Automatically transforms vague requirements into actionable PRDs through systematic clarification with a 100-point scoring system.

Professional UI/UX design creation in Penpot with MCP tools, design systems, and accessibility standards. \n \n Four MCP tools enable design creation, modification, export, and API access within Penpot's plugin context \n Includes discovery workflow to identify existing design systems, components, and tokens before building new designs \n Covers responsive layouts for mobile (375×812), desktop (1440×900), and platform-specific guidelines (iOS, Android, Material Design) \n Provides default design

Comprehensive design system with 50+ styles, 97 palettes, and 57 font pairings across 9 technology stacks. \n \n Searchable database organized by priority: accessibility and touch interaction (critical), performance and layout (high), typography and animation (medium), and charts (low) \n Includes design system generation tool that recommends complete patterns, styles, colors, typography, and effects based on product type and industry keywords \n Covers 9 implementation stacks: HTML/Tailwind, Re

These rules are distilled from Matthew Butterick's Practical Typography (https://practicaltypography.com). Butterick is a typographer, writer, and type designer whose work bridges professional typography and everyday digital writing. Thank you, Matthew, for making this knowledge accessible and encyclopedic. If you find this skill valuable, consider supporting his work directly.

Production-ready React Native patterns with Expo, navigation, offline-first architecture, and native module integration. \n \n Covers Expo Router for file-based navigation, authentication flows with secure token storage, and route protection patterns \n Includes offline-first data sync using React Query with AsyncStorage persistence and online status detection \n Demonstrates native module integration for haptics, biometrics, push notifications, and platform-specific code patterns \n Provides pe

Mobile-first responsive design patterns with 2025/2026 best practices for Tailwind CSS v4. \n \n Covers six breakpoint strategy, fluid typography and spacing using CSS clamp, and container queries for component-level responsiveness independent of viewport size \n Includes WCAG 2.2 compliant touch targets (44–48px minimum), safe area handling for notched devices, and practical layout patterns for grids, flexbox, and sidebars \n Provides mobile navigation patterns, responsive image and video techn

A comprehensive guide for creating animations that feel right, based on Emil Kowalski's "Animations on the Web" course.

Show loading indicator ONLY when there's no data to display.

Setup and usage of next-intl with prefix-based locale routing (e.g. /en/about, /ja/about). Use this skill in any Next.js App Router project.

Use this skill in two modes: