Frontend

Review React 19 test quality including coverage, patterns, and React 19 API testing. Use when reviewing tests or test coverage.

Kailash Core SDK fundamentals including workflow creation, node patterns, connections, runtime execution, parameter passing, error handling, cyclic workflows, async patterns, MCP integration, and installation. Use when asking about 'workflow basics', 'core sdk', 'create workflow', 'workflow builder', 'node patterns', 'connections', 'runtime', 'parameters', 'imports', 'installation', 'getting started', 'workflow execution', 'async workflows', 'error handling', 'cyclic workflows', 'PythonCode node', 'SwitchNode', or 'MCP integration'.

A practical skill for managing state in React prototypes without heavyweight libraries.

Review code for Visual Layout Builder quality standards including TypeScript patterns, React 2025 best practices, accessibility, and performance. Use when reviewing PRs, checking code quality, or ensuring compliance with project conventions.

Implement CQRS (Command Query Responsibility Segregation) pattern for Electron services. Use when creating service methods, separating read/write operations, or implementing reactive data streams with Observable for queries and ResultAsync for commands.

This skill should be used when creating or refactoring Claude Code skills, guiding an interactive questionnaire, selecting an archetype (workflow/tool/domain), scaffolding from templates, and validating the result.

Expert guidance for GabeDA v2.1 architecture (34 modules) - implementing models, features, debugging 4-case logic, and maintaining the /src codebase.

Architecture rules and validation patterns for Claude Code marketplace components ensuring self-contained skills, proper skill usage, and clean reference patterns

Optimizing performance in StickerNest for React, Three.js, and bundle size. Use when investigating slow renders, improving FPS, reducing bundle size, profiling components, or when the user mentions "slow", "laggy", "performance", or "optimize". Covers React profiling, Three.js optimization, memoization, lazy loading, and virtualization.

Master semantic HTML5, advanced CSS layouts, responsive design, animations, and modern CSS techniques including Flexbox, Grid, and custom properties.

Establish or analyze brand identity guidelines. Creates comprehensive brand documentation that frontend-design, testing, and other skills automatically reference for consistent execution.

Comprehensive shadcn/ui component library with theming, customization patterns, and accessibility. Use when building modern React UIs with Tailwind CSS. IMPORTANT - Always use MCP server tools first when available.

Comprehensive documentation suite for generating READMEs, API references, and internal guides based on code analysis.

Comprehensive guide for building Progressive Web Apps (PWA) with Next.js using modern 2025 approaches. Use when users need to implement PWA features in Next.js applications including installability, offline support, service workers, web app manifests, caching strategies, push notifications, or converting existing Next.js apps to PWA. Covers both native Next.js PWA support (zero dependencies, App Router) and Serwist package (advanced offline capabilities, service worker management). Also use when troubleshooting PWA issues, optimizing PWA performance, or migrating from deprecated packages like next-pwa.

Comprehensive Pharo Smalltalk development workflow guide with AI-driven Tonel editing. Provides expertise in Tonel file format syntax (class definitions with name, superclass, instVars, category, method categories, class comment placement), package structure (package.st placement, directory organization, BaselineOf dependencies), development workflow (Edit → Import → Test cycle with absolute paths, re-import timing, test execution), and Pharo best practices (CRC format documentation, method categorization conventions). Use when working with Pharo Smalltalk projects, creating or editing Tonel .st files, organizing packages and dependencies, resolving import order issues, writing class comments, implementing standard Pharo development patterns, or troubleshooting Tonel syntax.

Applies Red Hat's official brand colors and typography to any sort of artifact that may benefit from having Red Hat's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

Next.js 15 + Tailwind CSS development guidelines. Modern patterns including App Router, Server/Client Components, Suspense, lazy loading, file organization, Tailwind CSS styling, performance optimization, and TypeScript best practices. Use when creating components, pages, features, styling, routing, or working with Next.js code.

Stock analysis UI frontend. React + TypeScript with Tailwind CSS, shadcn/ui, Recharts. Use for React components, API integration, routing, state management, styling, charts visualization.

Type-safe API route handler with automatic Zod validation for Next.js App Router...

Automate Ghostty terminal sessions via MCP. Use when you need to send commands to terminals, read terminal output, capture screenshots, resize windows, open new tabs/windows, or interact with TUI apps like Neovim, htop, or any CLI tool running in Ghostty.