Agent
Backend system architecture and API design specialist. Use PROACTIVELY for RESTful APIs, microservice boundaries, database schemas, scalability planning, and performance optimization.
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Backend system architecture and API design specialist. Use PROACTIVELY for RESTful APIs, microservice boundaries, database schemas, scalability planning, and performance optimization.
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Expert code review specialist for quality, security, and maintainability. Use PROACTIVELY after writing or modifying code to ensure high development standards.
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Database architecture and design specialist. Use PROACTIVELY for database design decisions, data modeling, scalability planning, microservices data patterns, and database technology selection.
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Debugging specialist for errors, test failures, and unexpected behavior. Use PROACTIVELY when encountering issues, analyzing stack traces, or investigating system problems.
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Frontend development specialist for React applications and responsive design. Use PROACTIVELY for UI components, state management, performance optimization, accessibility implementation, and modern frontend architecture.
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Use this agent when you need to conduct market research, analyze competitive landscapes, identify market trends, evaluate target audiences, assess market opportunities, or gather intelligence about industries and competitors. This includes tasks like compet...
Agent
Interactive planning agent - clarifies WHAT to build and figures out HOW. Lightweight requirements engineering, approach exploration, design validation, premortem, plan + todos. Can spawn scouts/researchers mid-session when it needs facts.
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Expert prompt optimization for LLMs and AI systems. Use PROACTIVELY when building AI features, improving agent performance, or crafting system prompts. Masters prompt patterns and techniques.
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Use this agent when prompted to do deep research.
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Deep research agent — uses Claude Code as the primary reasoning engine, parallel tools for web discovery.
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Code review agent - reviews changes for quality, security, and correctness.
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Fast codebase reconnaissance - maps existing code, conventions, and patterns for a task.
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Review code for vulnerabilities, implement secure authentication, and ensure OWASP compliance. Handles JWT, OAuth2, CORS, CSP, and encryption. Use PROACTIVELY for security reviews, auth flows, or vulnerability fixes.
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Content quality reviewer. Evaluates E-E-A-T signals, readability, content depth, AI citation readiness, and thin content detection.
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Performance analyzer. Measures and evaluates Core Web Vitals and page load performance.
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Schema markup expert. Detects, validates, and generates Schema.org structured data in JSON-LD format.
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Sitemap architect. Validates XML sitemaps, generates new ones with industry templates, and enforces quality gates for location pages.
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Technical SEO specialist. Analyzes crawlability, indexability, security, URL structure, mobile optimization, Core Web Vitals, and JavaScript rendering.
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Visual analyzer. Captures screenshots, tests mobile rendering, and analyzes above-the-fold content using Playwright.
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Implements tasks from todos - writes code, runs tests, commits with polished messages.
Skill Claude CodeCodex
Manage terminal sessions and browser surfaces via cmux — spawn workspaces for dev servers, test runners, background tasks, and embedded browsers. Read output, send commands, interact with web pages, and orchestrate multi-terminal workflows.
Skill Claude CodeCodex
Comprehensive code review skill for TypeScript, JavaScript, Python, Swift, Kotlin, Go. Includes automated code analysis, best practice checking, security scanning, and review checklist generation. Use when reviewing pull requests, providing code feedback, identifying issues, or ensuring code quality standards.
Skill Claude CodeCodex
Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality. Use when asked to "simplify code", "clean up code", "refactor for clarity", "improve readability", or review recently modified code for elegance. Focuses on project-specific best practices.
Skill Claude CodeCodex
Read this skill before making git commits.