Discover Frontend

Frontend Skills Discovery

Provides automatic access to comprehensive frontend development skills.

When This Skill Activates

This skill auto-activates when you're working with:

• React component development
• Next.js applications and App Router
• State management (Context, Zustand, Redux)
• Data fetching (SWR, React Query, Server Actions)
• Form handling and validation
• Web accessibility (WCAG, ARIA)
• Frontend performance optimization
• SEO and metadata
• UI/UX design implementation
• terminal user interfaces
• TUI
• Bubble Tea
• Ratatui
• terminal UI
• text-based interfaces
• ncurses

Available Skills

Quick Reference

The Frontend category contains 16 skills across 2 subcategories (+ elegant-design):

Frontend (11 skills):

1. react-component-patterns - Component design, composition, hooks, performance
2. nextjs-app-router - Next.js 14+ App Router, Server Components, routing
3. react-state-management - Context, Zustand, Redux Toolkit patterns
4. react-data-fetching - SWR, React Query, Server Actions, data patterns
5. react-form-handling - React Hook Form, Zod validation, form patterns
6. web-accessibility - WCAG 2.1 AA compliance, ARIA, keyboard navigation
7. frontend-performance - Bundle optimization, Core Web Vitals, code splitting
8. nextjs-seo - SEO with Next.js, metadata API, structured data
9. web-workers - Web Workers API, message passing, offloading computation
10. browser-concurrency - Service Workers, SharedWorkers, Worklets, PWAs
11. elegant-design/SKILL.md - World-class accessible interfaces (separate Agent Skill)

TUI (5 skills): See ../tui/INDEX.md

Load Full Category Details

Read ../frontend/INDEX.md Read ../tui/INDEX.md

Common Workflows

New Next.js Application

Sequence: App Router → Components → Data Fetching

Read ../frontend/nextjs-app-router.md # Setup routing, layouts Read ../frontend/react-component-patterns.md # Build components Read ../frontend/react-data-fetching.md # Fetch data

Elegant UI Design

Sequence: Design System → Components → Accessibility

Note: elegant-design auto-activates as separate Agent Skill

for design-focused work (shadcn/ui, accessible interfaces, etc.)

Read ../frontend/react-component-patterns.md Read ../frontend/web-accessibility.md

Form Implementation

Sequence: Form Handling → State Management

Read ../frontend/react-form-handling.md # Build forms Read ../frontend/react-state-management.md # Manage form state

Production Optimization

Sequence: Performance → Accessibility → SEO

Read ../frontend/frontend-performance.md # Optimize bundle Read ../frontend/web-accessibility.md # Ensure accessibility Read ../frontend/nextjs-seo.md # Optimize SEO

CPU-Intensive Features & PWAs

Sequence: Workers → Concurrency → Performance

Read ../frontend/web-workers.md # Offload heavy computation Read ../frontend/browser-concurrency.md # Service Workers, offline support Read ../frontend/frontend-performance.md # Optimize overall performance

Skill Selection Guide

React Component Patterns → react-component-patterns.md:

• Component architecture and composition
• Custom hooks
• Performance optimization (memo, useMemo, useCallback)
• Design patterns (compound components, render props, HOCs)

Next.js App Router → nextjs-app-router.md:

• Server Components vs Client Components
• Routing and layouts
• Data fetching patterns
• Streaming and Suspense
• Route handlers and API routes

State Management → react-state-management.md:

• When to use Context vs external state libraries
• Zustand for simple global state
• Redux Toolkit for complex state
• Server state vs client state

Data Fetching → react-data-fetching.md:

• SWR for client-side fetching
• React Query (TanStack Query) for advanced patterns
• Next.js Server Actions
• Data mutation patterns
• Caching strategies

Forms → react-form-handling.md:

• React Hook Form for performance
• Zod for validation
• Form state management
• Error handling
• File uploads

Accessibility → web-accessibility.md:

• WCAG 2.1 AA compliance
• ARIA attributes
• Keyboard navigation
• Screen reader support
• Color contrast and focus management

Performance → frontend-performance.md:

• Bundle size optimization
• Code splitting and lazy loading
• Core Web Vitals
• Image optimization
• Font optimization
• Runtime performance

SEO → nextjs-seo.md:

• Next.js Metadata API
• Open Graph and Twitter cards
• Structured data (JSON-LD)
• Sitemap and robots.txt
• Dynamic metadata

Web Workers → web-workers.md:

• Offloading heavy computation
• Web Workers API and message passing
• Transferable objects for zero-copy
• React integration with custom hooks
• Worker pools for parallel processing
• TypeScript type safety

Browser Concurrency → browser-concurrency.md:

• Service Workers for offline support and PWAs
• SharedWorkers for cross-tab state
• Audio/Paint/Animation Worklets
• Background sync and push notifications
• Caching strategies
• BroadcastChannel for cross-tab messaging

Integration with Other Skills

Frontend skills commonly combine with:

API skills (discover-api):

• Consuming REST APIs
• GraphQL client integration
• API error handling in UI
• Authentication flows

Testing skills (discover-testing):

• Component testing
• E2E testing with Playwright
• Visual regression testing
• Accessibility testing

Design (elegant-design Agent Skill):

• shadcn/ui components
• Accessible design patterns
• Chat/terminal/code UIs
• Streaming interfaces
• Design systems

Database skills (discover-database):

• Server Actions with database queries
• ORM integration in Server Components
• Real-time data updates

Deployment skills (discover-deployment):

• Vercel deployment
• Netlify deployment
• Performance monitoring
• CDN configuration

Progressive Loading

This gateway skill enables progressive loading:

• Level 1: Gateway loads automatically (you're here now)
• Level 2: Load category INDEX.md (~4K tokens) for full overview
• Level 3: Load specific skills (~3-4K tokens each) as needed

Total context: 2K + 4K + skill(s) = 6-12K tokens vs 25K+ for entire index.

Quick Start Examples

"Build a Next.js app with App Router": Read ../frontend/nextjs-app-router.md

"Create reusable React components": Read ../frontend/react-component-patterns.md

"Implement global state management": Read ../frontend/react-state-management.md

"Build a form with validation": Read ../frontend/react-form-handling.md

"Optimize my app performance": Read ../frontend/frontend-performance.md

"Make my app accessible": Read ../frontend/web-accessibility.md

"Improve SEO": Read ../frontend/nextjs-seo.md

"Offload heavy computation": Read ../frontend/web-workers.md

"Build a PWA with offline support": Read ../frontend/browser-concurrency.md

React vs Next.js Decision

Use React (Vite) when:

• Building SPAs or client-heavy apps
• Don't need SSR or SSG
• Want full control over routing
• Building component libraries

Use Next.js when:

• Need SEO (Server-Side Rendering)
• Want file-based routing
• Need API routes
• Building full-stack apps
• Want optimal performance out of the box

State Management Decision

Use Component State (useState) when:

• State is local to a component
• Simple state that doesn't need sharing

Use Context when:

• Sharing state across a few components
• Theme, auth, or user preferences
• Not frequently updated

Use Zustand when:

• Need global state
• Want simple API
• State updates are moderate

Use Redux Toolkit when:

• Complex state logic
• Need middleware (sagas, thunks)
• Large team with established patterns
• Time-travel debugging needed

For detailed guidance: Read ../frontend/react-state-management.md

Data Fetching Decision

Server Components (Next.js App Router):

• Default choice for Next.js 14+
• Fetch on server, zero client JS
• Direct database access

Server Actions (Next.js):

• For mutations and form handling
• Progressive enhancement
• Type-safe with TypeScript

SWR:

• Client-side data fetching
• Built-in caching
• Optimistic updates
• Focus on user experience

React Query:

• Advanced caching strategies
• Complex data dependencies
• Offline support
• DevTools for debugging

For detailed patterns: Read ../frontend/react-data-fetching.md

Usage Instructions

1. Auto-activation: This skill loads automatically when Claude Code detects frontend work
2. Browse skills: Run Read ../frontend/INDEX.md for full category overview
3. Load specific skills: Use bash commands above to load individual skills
4. Follow workflows: Use recommended sequences for common patterns
5. elegant-design: Note that elegant-design is a separate Agent Skill that auto-activates for UI design work

Next Steps: Run Read ../frontend/INDEX.md to see full category details, or load specific skills using the bash commands above.

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