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Audit UI code against Web Interface Guidelines for compliance and best practices. \n \n Fetches the latest guidelines from Vercel Labs before each review to ensure current rule compliance \n Accepts file paths or patterns as arguments; prompts for files if none specified \n Outputs findings in concise file:line format for quick identification of violations \n Covers accessibility, design patterns, and UX best practices as defined in the guidelines repository \n

Next.js 16+ uses Turbopack by default for local development: an incremental bundler written in Rust that significantly speeds up dev startup and hot updates.

Secure Windows desktop automation with strict process validation, permission tiers, and audit logging. \n \n Provides UI Automation Framework (UIA) and Win32 API integration for discovering and interacting with Windows application elements, including window management, input simulation, and process interaction \n Enforces security-first approach with process validation, blocked application lists (password managers, admin tools, security software), and permission tier model (read-only, standard,

Apply behavioral science principles to product design for habit formation and user retention. \n \n Focuses on understanding target behaviors, identifying barriers, and designing interventions using concepts like loss aversion, present bias, and status quo effect \n Emphasizes reducing friction for desired actions while adding appropriate friction to prevent mistakes, and leveraging smart defaults to guide user outcomes \n Includes guidance on creating celebration moments through micro-interacti

Multi-component React artifacts for Claude with Tailwind CSS and shadcn/ui components. \n \n Scaffolds React 18 + TypeScript projects with Vite, pre-configured Tailwind CSS, and 40+ shadcn/ui components ready to use \n Bundles complete artifacts into single self-contained HTML files with all JavaScript, CSS, and dependencies inlined \n Includes design guidance to avoid common \"AI slop\" patterns like excessive centering, purple gradients, and uniform rounded corners \n Supports state management

Production-ready Tailwind CSS patterns for responsive layouts, cards, forms, buttons, and navigation. \n \n Includes semantic color tokens for automatic light/dark mode support, eliminating raw color usage that breaks themes \n Covers mobile-first responsive design with six breakpoints (base, sm, md, lg, xl, 2xl) and consistent spacing scale (4, 6, 8, 12, 16, 24) \n Provides ready-to-use component patterns for headers, footers, grids, cards, buttons, forms, and typography with hover states and t

Vue 3 Options API patterns, TypeScript integration strategies, and context-binding gotchas. \n \n Covers TypeScript type safety for component properties, this context, prop validators, event handlers, complex types, provide/inject, and computed return types \n Addresses common method and lifecycle hook pitfalls including arrow function binding issues and stateful method side effects \n Includes references to specific solutions for each pattern, from defineComponent setup to proper event handler

Type-safe React 18–19 patterns with compile-time guarantees for components, hooks, events, and routing. \n \n Covers React 19 breaking changes: ref as prop (no forwardRef), useActionState for forms, use() for promise unwrapping, and Server Components with async data fetching \n Specific event typing (MouseEvent, ChangeEvent, KeyboardEvent, etc.) and discriminated unions for variant props eliminate runtime surprises \n Generic component patterns with constrained types for reusable Tables, Lists,

Next.js App Router development patterns covering server/client components, data fetching, and routing. \n \n Server Components are the default; use Client Components only for interactivity (useState, event handlers, forms) \n Data fetching belongs in Server Components with three caching strategies: static (build-time), ISR (time-based revalidation), and dynamic (no-store) \n File conventions organize routes: page.tsx for UI, layout.tsx for shared structure, loading.tsx and error.tsx for states,

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