Frontend

Executes completed phases, validates runtime behavior, and controls safe transition to the next phase.

Implement technical plans methodically with phase-by-phase execution and verification checkpoints. Use this skill when following a detailed implementation plan that has phased changes and success criteria. The skill guides through each phase, verifies completion, and pauses for human confirmation before proceeding to the next phase.

Create OpenCode plugins using @opencode-ai/plugin SDK. Use when user wants to BUILD a plugin in .opencode/plugin/ or ~/.config/opencode/plugin/ - for custom tools, event hooks, LLM parameter control, auth providers, or tool execution interception. DO NOT use when modifying OpenCode source code (packages/plugin, packages/opencode, etc.) or working on OC internals - those are core development, not plugin creation.

Build professional CLI tools with Node.js, commander, and Ink

Svelte reactive programming, stores, transitions, and building efficient SPAs.

Expert guide for testing Next.js applications with Playwright, Jest, and React Testing Library. Use when writing tests, debugging test failures, or setting up test infrastructure.

[Extends frontend-developer] Vue 3 specialist. Use for Vue-specific features: Composition API, script setup, Pinia stores, Vue Router, Nuxt 3 SSR, Vitest. Invoke alongside frontend-developer for Vue projects.

This skill provides comprehensive guidance for learning and using GitHub, from fundamental concepts through practical workflows. Designed for complete beginners, this skill should be used when teaching GitHub concepts, explaining git workflows, debugging git/GitHub issues, or guiding through practical GitHub tasks like creating branches, commits, pull requests, and merging code.

Build tools, CSS architecture, and Git workflows for clemencefouquet.fr WordPress theme. Covers linting, @layer CSS, and sync between Laragon/Git/VPS.

Follow project-wide development conventions for file organization, version control, documentation, and dependency management. Use this skill when organizing project directories and files, writing README documentation, creating commit messages, working with git branches, managing pull requests, configuring environment variables, handling secrets and API keys, managing project dependencies, setting up feature flags, maintaining changelogs, defining testing requirements, establishing code review processes, or structuring the overall project architecture. Apply this skill when setting up new projects, refactoring project structure, working with version control, managing configuration files, or ensuring the project follows consistent organizational patterns and best practices.

HTMLCSStoImage API via curl. Use this skill to generate images from HTML/CSS or capture screenshots of web pages.

Next.js performance optimizations including next/image, next/font, dynamic imports, caching strategies, and bundle optimization. Use when optimizing Next.js apps for speed or Core Web Vitals.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Apply Command Query Responsibility Segregation (CQRS) and Event Sourcing (ES) for collaboration-heavy domains that require strong auditability and independent scaling of reads and writes.

Guide for implementing Better Auth - a framework-agnostic authentication and authorization framework for TypeScript. Use when adding authentication features like email/password, OAuth, 2FA, passkeys, or advanced auth functionality to applications.

Advise on choosing between Skills, Commands, Subagents, and Hooks for Claude Code. Analyze user requirements and recommend the appropriate artifact type with justification. Use when user asks "should I use a skill or command", "what artifact type", "skill vs command", or describes a workflow needing automation.

Generates design token documentation with visual swatches and code examples. Use when documenting token values, creating token reference guides, or building searchable design system documentation.

Activate when user mentions "clink codex" to provide guidance on delegating implementation tasks to clink codex as a junior developer. Use when assigning coding tasks, discussing task delegation, or working with clink codex for code implementation.

Use this skill when users want to scrape web content and convert it to clean Markdown or PDF. Handles workflows like "Save this webpage as PDF", "Fetch this article", "抓取网页内容", or "转换为PDF". Supports crawl4ai for general web scraping and Playwright-based WeChat (微信公众号) article fetching with anti-bot bypass. Automatically converts to PDF by default unless user specifies Markdown-only.

Builds full-stack applications with SolidStart, combining Solid's fine-grained reactivity with server functions and multiple rendering modes. Use when creating SolidJS applications with SSR/SSG, server functions, or when user mentions SolidStart or Solid meta-framework.