Frontend

Use when building with Reka UI (headless Vue components) - provides component API, accessibility patterns, composition (asChild), controlled/uncontrolled state, and styling integration. Formerly Radix Vue.

Styling patterns for React web applications. Use when working with Tailwind CSS, CSS Modules, theming, responsive design, or component styling.

Guide for implementing features using Test-Driven Development (TDD) methodology. Use when: (1) User requests to implement a feature using TDD, (2) User asks to write tests first before implementation, (3) User mentions Red-Green-Refactor cycle, (4) Starting a new feature that requires systematic testing. This skill provides step-by-step TDD workflows, concrete test patterns, and best practices for writing tests before implementation in TypeScript/React projects using Vitest.

Comprehensive code quality verification workflow that checks linting, formatting, type safety, tests, and build before committing code. Uses parallel agent execution for maximum speed. Non-destructive - only reports issues without making changes.

M3-compliant UI components (buttons, cards, forms, inputs).USE WHEN: creating components <300 lines, M3 migrations, Design System work.NOT FOR: complete screens, features with business logic (use flutter-developer).Always validate M3 components with MCP tools before creating custom.Examples:<example>Context: Need to migrate a button component to M3.user: "Migrate BukeerButton to Material Design 3"assistant: "I'll use flutter-ui-components to migrate BukeerButton to M3."<commentary>UI component migration is flutter-ui-components specialty.</commentary></example><example>Context: Create a new reusable form field.user: "Create a new date picker input component following M3"assistant: "I'll use flutter-ui-components to create the M3-compliant date picker."<commentary>Single UI components should be handled by flutter-ui-components.</commentary></example>

Review state management patterns for React 19 best practices. Use when reviewing component state, Context usage, or state architecture.

Build production Rust CLIs with Clap: subcommands, config layering, validation, exit codes, shell completions, and testable command surfaces

Guide developers through CI/CD pipeline design including architecture patterns, stage design, and security considerations

Centralizes persona-driven code reviews (Carmack, React core, Anders, React Router, etc.) so Claude can pick or combine expert viewpoints when the user asks for a code review or perspective-specific critique.

Use when working on EVADE game UI, creating screens, styling components, or making visual decisions. Apply for any React Native code touching colors, typography, layouts, animations, or visual elements.

Use this skill when validating CSS for Divi 5 compatibility, checking for unsupported features, troubleshooting Divi CSS issues, or when the user mentions CSS not working in Divi. Provides compatibility rules, validation patterns, and fixes for common issues.

Use this skill when you need to write lib functions in `srs/lib` for the Next.js app

Use when building web UIs with Next.js 15+ and React 19 - covers Server Components, App Router, testing with Vitest and Playwright, and accessibility standards

Generate optimized Apple App Store metadata recommendations with ASO best practices. Use this skill when analyzing app listings, optimizing metadata (title, subtitle, description, keywords), performing competitive analysis, or validating App Store listing requirements. Triggers on queries about App Store optimization, metadata review, or screenshot strategy.

Guide users on when to use Claude Code Web vs CLI and seamlessly teleport sessions between environments

This skill should be used when the user asks to "migrate to V13", "upgrade to Foundry V13", "update module for V13", "fix V13 compatibility", "convert to ESM", "use DataModel", or mentions V13-specific patterns like hook signature changes, actor.system vs actor.data.data, or Application V2. Provides comprehensive Foundry VTT V13 development patterns and migration guidance.

nextjs expert with self-populating documentation

SwiftUIのベストプラクティスに基づくコードレビュー。パフォーマンス、アクセシビリティ、アーキテクチャをチェック。Use when: SwiftUI、View、レビュー、リファクタリング を依頼された時。

Guia refatoração de componentes React seguindo padrões do Plataforma B2B de treinamento técnico corporativo, reduzindo duplicação e criando componentes genéricos reutilizáveis

Integrates MongoDB document database with Node.js applications using the official driver or Mongoose ODM. Use when building applications with flexible schemas, document storage, or when user mentions MongoDB, NoSQL, or document databases.