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Lightning-fast quality check using parallel command execution. Runs theater detection, linting, security scan, and basic tests in parallel for instant feedback on code quality.

Manage route-agent project: check status, find next tasks, spawn parallel work. Use when starting work, checking progress, or asking "what's next?"

Microsoft Pragmatic Rust FFI Guidelines. Use when working with C/C++ interop, creating cdylib, writing unsafe FFI code, or multi-DLL Rust projects.

Expert guidance for TypeScript development with advanced patterns

Opus 4.5 종합 코드 검수 - 품질/보안/성능/UI/테스트 5개 카테고리 (100점 만점)

Analyze feature documentation (PDF, markdown, or requirements) and create comprehensive implementation plans for DevPortfolio Portfolio app features. Use when asked to create implementation plans, analyze feature requirements, plan new sections, or design features for apps/portfolio/. Generates detailed phase-by-phase plans with entity design, core layer, components, hooks, styling, i18n, and testing checklists.

Review guidelines. Always use when Claude needs to review the code changes

Use Playwright MCP to check UI styles and usability. Automatically used for requests like "check UI", "verify appearance", "take screenshot".

Comprehensive guidance for building and deploying static websites with the Astro framework.This skill should be used when asked to "create astro site", "deploy astro to firebase","set up content collections", "add mermaid diagrams to astro", "configure astro i18n","build static blog", or "astro markdown setup". Covers SSG fundamentals, Content Collections,Markdown/MDX, partial hydration, islands architecture, and deployment to Netlify, Vercel,GitHub Pages, or GCP/Firebase.

Create Apple-inspired modern, minimalist UI designs with glassmorphism, smooth animations, generous whitespace, and elegant typography. Use when designing portfolio websites, landing pages, hero sections, product showcases, or implementing Apple-style components, dark mode, or responsive layouts.

Comprehensive change tracking and audit logging system that monitors file modifications, code changes, and project evolution. Use when tracking project history, maintaining audit trails, analyzing development patterns, or when detailed change documentation is required for compliance and team collaboration.

Apply branding guidelines to page sections after style cleanup. Implements 60-30-10 color rule, alternates section backgrounds, and ensures visual hierarchy. Use for each page after running remove-inline-styles.

Guide developers through API versioning strategies, deprecation workflows, and backward compatibility patterns

Recognize when user requests new feature implementation and prompt for TDD workflow. Triggers on phrases like "implement", "create function", "add feature", "build a", "write code for". Suggests generating failing tests first.

Auto-invoke when reviewing React, Vue, or frontend component code. Enforces component architecture, state management patterns, and UI best practices.

Persistence and human-in-the-loop patterns for LangGraph. Use when implementing checkpointing, saving/restoring graph state, adding human approval workflows, managing conversation memory across sessions, enabling time-travel debugging, or building fault-tolerant agents that resume from failures.

Guide for creating Claude Code skills that mirror library documentation. Covers sync strategies, SKILL.md structure, and best practices.

Lombok annotations and best practices for Java 21+ projects. Use when reducing boilerplate, configuring builders, or choosing between Lombok and Records.

Diagnose and fix third-party library loading failures in Vite, Webpack, or other bundlers. Use when encountering "Failed to fetch dynamically imported module", worker loading failures, CDN 404 errors, "Invalid type" errors when importing library assets, or assets loading in wrong format. Covers version mismatches, worker loading patterns, and bundler-specific solutions.

UI design system toolkit for Senior UI Designer including design token generation, component documentation, responsive design calculations, and developer handoff tools. Use for creating design systems, maintaining visual consistency, and facilitating design-dev collaboration.