Frontend

Use when creating or publishing Claude Code hooks - covers executable format, event types, JSON I/O, exit codes, security requirements, and PRPM package structure

Modern web development patterns using React + Tailwind CSS + shadcn/ui for building production-quality, accessible, and performant web applications

Apply brand voice, tone, and style guidelines to written content across platforms. Use this skill when writing or editing content that needs to reflect a specific brand identity, adapting content for LinkedIn, Substack, X (Twitter), or other platforms while maintaining brand consistency. Triggers include requests to write on-brand content, apply brand voice, adapt content for platforms, or review content for brand alignment.

Architecture React Native - Principes et Organisation. Use when designing architecture or reviewing code structure.

Automated review rules for opal-frontend PRs. Use when asked to review code, run @codex review, or provide PR feedback; apply severity levels and the required comment format.

React-Architektur. Use when designing architecture or reviewing code structure.

Use when implementing any feature or bugfix, before writing implementation code - write the test first, watch it fail, write minimal code to pass; ensures tests actually verify behavior by requiring failure first

Use when the user has a document (PDF, markdown, book notes, research paper, methodology guide) containing theoretical knowledge or frameworks and wants to convert it into an actionable, reusable skill. Invoke when the user mentions "create a skill from this document", "turn this into a skill", "extract a skill from this file", or when analyzing documents with methodologies, frameworks, processes, or systematic approaches that could be made actionable for future use.

Arquitectura React Native - Principios y Organización. Use when designing architecture or reviewing code structure.

Coding-Standards für React. Use when reviewing code style or formatting.

Tooling React Native - Expo & EAS. Use when working with tooling.

Fast IOC-focused triage for binaries/documents with minimal execution, geared toward immediate containment decisions.

Use when clarifying fuzzy boundaries, defining quality criteria, teaching by counterexample, preventing common mistakes, setting design guardrails, disambiguating similar concepts, refining requirements through anti-patterns, creating clear decision criteria, or when user mentions near-miss examples, anti-goals, what not to do, negative examples, counterexamples, or boundary clarification.

Segurança - Melhores Práticas React Native. Use when reviewing security, implementing auth, or hardening code.

Debug and fix CI/CD pipeline failures. Analyze workflow logs, identify issues, and apply fixes. Use when CI is failing, build errors occur, tests fail in CI, or pipeline is broken.

セマンティックHTML/JSXとWAI-ARIAを「最小で正しく」適用し、キーボード操作・スクリーンリーダ・コントラスト等を満たす実装を作るための判断軸。ネイティブ要素優先、ARIAの過剰使用を避ける。

Enforces consistent React component naming conventions across the portfolio codebase. Use when creating, reviewing, or refactoring components.

Build accessible, responsive, and performant frontend components with design system best practices, modern CSS, and framework-agnostic patterns.

Stratégie de Tests React. Use when writing tests, reviewing test coverage, or setting up testing.

FrankenPHP Documentation - Modern PHP application server built on Caddy