Frontend

Guide for creating and configuring custom OpenCode commands. Use this skill when you need to extend OpenCode capabilities, add custom workflows, or understand how to define commands with templates, arguments, and context injection.

Use when writing JavaScript for Discourse core, themes, or plugins - covers jQuery phaseout, Ember patterns, singleton imports, lifecycle hooks, and cleanup requirements

Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features directory, MUI v7 styling, TanStack Router, performance optimization, and TypeScript best practices. Use when creating components, pages, features, fetching data, styling, routing, or working with frontend code.

Professional report generation system for MyDetailArea dealership management. Creates business intelligence reports with data visualization, multi-format export (HTML/PDF/Excel/CSV), and Notion-style design. Use when generating operational reports, financial analytics, performance dashboards, or custom data exports for the dealership system.

30 pragmatic rules for production HTML covering semantic markup, accessibility (WCAG 2.1 AA), performance optimization, forms, and security. Use when writing HTML, building page structures, creating forms, implementing accessibility, or optimizing for SEO and Core Web Vitals.

Playwright를 사용하여 로컬 웹 애플리케이션과 상호작용하고 테스트하기 위한 툴킷입니다. 프런트엔드 기능 검증, UI 동작 디버깅, 브라우저 스크린샷 캡처 및 브라우저 로그 확인을 지원합니다.

Expert TypeScript/Node.js developer for building high-quality, performant, and maintainable CLI tools and libraries. Enforces best practices, strict typing, and modern patterns.

Expert guide for deploying Next.js apps to Vercel, managing environments, CI/CD pipelines, and production best practices. Use when deploying, setting up automation, or managing production.

Synesthete designer that translates emotional vibes and brand keywords into concrete visual DNA (colors, typography, layouts, interactions). Use when users describe desired "feel" (edgy, trustworthy, premium, playful, minimal) and need specific design specifications. NOT for technical implementation or coding.

Teaches what React Compiler handles automatically in React 19, reducing need for manual memoization. Use when optimizing performance or deciding when to use useMemo/useCallback.

Production-ready skill for integrating TheSys C1 Generative UI API into React applications. This skill should be used when building AI-powered interfaces that stream interactive components (forms, charts, tables) instead of plain text responses. Covers complete integration patterns for Vite+React, Next.js, and Cloudflare Workers with OpenAI, Anthropic Claude, and Cloudflare Workers AI. Includes tool calling with Zod schemas, theming, thread management, and production deployment. Prevents 12+ common integration errors and provides working templates for chat interfaces, data visualization, and dynamic forms. Use this skill when implementing conversational UIs, AI assistants, search interfaces, or any application requiring real-time generative user interfaces with streaming LLM responses.Keywords: TheSys C1, TheSys Generative UI, @thesysai/genui-sdk, generative UI, AI UI, streaming UI components, interactive components, AI forms, AI charts, AI tables, conversational UI, AI assistants UI, React generative UI, V

Run a single-shot visual comparison between a Figma design node and an implementation URL (local app, Storybook iframe, or deployed page) using @uimatch/cli, then read the generated report to explain design fidelity and quality gate status. Use this skill when the user wants to check whether one specific UI component or page matches its Figma design or debug a particular mismatch.

Clean Architecture and SOLID principles guide. Use this when designing systems, reviewing architecture, or making structural decisions.

Comprehensive guidance for writing high-quality unit tests in Java projects using JUnit 5 and AssertJ. Use when writing unit tests, creating test classes, or need guidance on mocking strategies, assertions, test builders, or JUnit 5 best practices. Requires JUnit 5, AssertJ, and Mockito dependencies.

Use when implementing features, writing production code, providing technical feedback on designs, or making implementation decisions. Apply when user asks to implement, build, code, develop, or create software. Also use when reviewing design documents from the architect perspective of implementation feasibility. Use proactively after system design is complete.

Master ABP Framework patterns including repository pattern, unit of work, domain services, application services, authorization, multi-tenancy, background jobs, and distributed events. Use when: (1) building ABP-based applications with DDD architecture, (2) creating CRUD services with Entity, AppService, DTOs, validators, (3) handling authorization/permissions, (4) generating ABP module code.

AI-powered enterprise MCP (Model Context Protocol) server development orchestrator with Context7 integration, intelligent code generation, automated architecture design, and enterprise-grade server deployment patterns for advanced LLM service integration

Spawns 4 parallel review agents (Accessibility, React Router, React Core, Anders Hejlsberg) to conduct comprehensive multi-perspective code reviews

Clean Architecture and Cosmic Python guidance for well-tested, layered Python systems. Use for designing Python projects with layered architecture (models, adapters, services, entrypoints), enforcing Clean Code and SOLID principles, testing strategies (unit tests, BDD, Gherkin), CI/CD setup (pytest, tox, importlinter), and architectural decision-making (ADRs). Applicable to systems requiring strict boundary enforcement, clean separation of concerns, and comprehensive test coverage.

Create interactive learning games for business English practice.Supports multiple game types (quiz, simulation, drag-drop) acrossvarious business scenarios (emails, meetings, presentations, negotiations).Generate HTML/React-based games tailored to user's industry, job role,and proficiency level. Use when users request business English learninggames, practice materials, interactive training content, or educationalexercises for professional English communication.