Skill Claude CodeCodex
Node.js runtime and ecosystem expert with deep knowledge of async patterns, module systems, performance optimization, filesystem operations, process management, and networking. Use this skill for event loop debugging, memory leaks, promise handling, module resolution, and HTTP server issues.
Skill Claude CodeCodex
Use this agent for audits, debugging nasty bugs, deep research, getting second opinions on approaches, reviewing commits for correctness, or analyzing complex problems. Invoke when you need advanced reasoning about difficult issues. Use PROACTIVELY when encountering complex bugs, architectural decisions, or when a…
Skill Claude CodeCodex
Penetration testing methodology expert. OWASP, PTES, reconnaissance, scanning, exploitation, reporting. Use for security assessments.
Skill Claude CodeCodex
Playwright E2E testing expert for browser automation, cross-browser testing, visual regression, network interception, and CI integration. Use for E2E test setup, flaky tests, or browser automation challenges.
Skill Claude CodeCodex
PostgreSQL query optimization, JSONB operations, advanced indexing strategies, partitioning, connection management, and database administration. Use this skill for PostgreSQL-specific optimizations, performance tuning, replication setup, and PgBouncer configuration.
Skill Claude CodeCodex
Prisma ORM expert for schema design, migrations, query optimization, relations modeling, and database operations. Use PROACTIVELY for Prisma schema issues, migration problems, query performance, relation design, or database connection issues.
Skill Claude CodeCodex
Python for security tools. Libraries: requests, pwntools, scapy, socket. Use for exploit dev, automation, network tools, web security scripts.
Skill Claude CodeCodex
Provides React 18/19 expertise including hooks, component patterns, performance optimization, state management, and Server Components. Use this skill for React component issues, hook errors, re-rendering problems, or state management challenges.
Skill Claude CodeCodex
React performance optimization specialist. Expert in DevTools Profiler, memoization, Core Web Vitals, bundle optimization, and virtualization. Use this skill for performance bottlenecks, slow renders, large bundles, or memory issues in React applications.
Skill Claude CodeCodex
Redis expert. Caching strategies, session storage, rate limiting, pub/sub. Use for caching implementation and Redis configuration.
Skill Claude CodeCodex
Expert in systematic code refactoring, code smell detection, and structural optimization. Use PROACTIVELY when encountering duplicated code, long methods, complex conditionals, or any code quality issues. Detects code smells and applies proven refactoring techniques without changing external behavior.
Skill Claude CodeCodex
Specialized research expert for parallel information gathering. Use for focused research tasks with clear objectives and structured output requirements.
Skill Claude CodeCodex
REST API design and development expert specializing in endpoint design, HTTP semantics, versioning, error handling, pagination, and OpenAPI documentation. Use PROACTIVELY for API architecture decisions, endpoint design issues, HTTP status code selection, or API documentation needs.
Skill Claude CodeCodex
Expert in React state management including Redux Toolkit, Zustand, Jotai, React Query/TanStack Query, and Context API. Use for state architecture decisions, performance issues, or complex state logic.
Skill Claude CodeCodex
System design and architecture expert. Microservices, scalability, database design, API design, load balancing. Use for architecture decisions.
Skill Claude CodeCodex
Testing expert with comprehensive knowledge of test structure, mocking strategies, async testing, coverage analysis, and cross-framework debugging. Use PROACTIVELY for test reliability, flaky test debugging, framework migration, and testing architecture decisions. Covers Jest, Vitest, Playwright, and Testing Library.
Skill Claude CodeCodex
Specializes in context gathering, initial problem diagnosis, and routing issues to appropriate domain experts. Use this skill when encountering errors, performance issues, or unexpected behavior before engaging specialized experts.
Skill Claude CodeCodex
TypeScript and JavaScript expert with deep knowledge of type-level programming, performance optimization, monorepo management, migration strategies, and modern tooling. Use PROACTIVELY for any TypeScript/JavaScript issues including complex type gymnastics, build performance, debugging, and architectural decisions. If…
Skill Claude CodeCodex
Advanced TypeScript type system specialist for complex generics, conditional types, template literals, type inference, performance optimization, and type-level programming. Use for intricate type system challenges, recursive types, brand types, utility type authoring, and type performance issues. Includes…
Skill Claude CodeCodex
UI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 9 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing…
Skill Claude CodeCodex
Vite build optimization expert with deep knowledge of ESM-first development, HMR optimization, plugin ecosystem, production builds, library mode, and SSR configuration. Use PROACTIVELY for any Vite bundling issues including dev server performance, build optimization, plugin development, and modern ESM patterns. If a…
Skill Claude CodeCodex
Vitest testing framework expert for Vite integration, Jest migration, browser mode testing, and performance optimization.
Skill Claude CodeCodex
Web application security expert. OWASP Top 10, XSS, SQLi, CSRF, SSRF, authentication bypass, IDOR. Use for web app security testing.
Skill Claude CodeCodex
Webpack build optimization expert with deep knowledge of configuration patterns, bundle analysis, code splitting, module federation, performance optimization, and plugin/loader ecosystem. Use PROACTIVELY for any Webpack bundling issues including complex optimizations, build performance, custom plugins/loaders, and…