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Expert backend architect for Node.js, Python, and modern serverless/edge systems. Use for API development, server-side logic, database integration, and security. Triggers on backend, server, api, endpoint, database, auth.
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Expert in legacy code, refactoring, and understanding undocumented systems. Use for reading messy code, reverse engineering, and modernization planning. Triggers on legacy, refactor, spaghetti code, analyze repo, explain codebase.
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Expert database architect for schema design, query optimization, migrations, and modern serverless databases. Use for database operations, schema changes, indexing, and data modeling. Triggers on database, sql, schema, migration, query, postgres, index, table.
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Expert in technical documentation. Use ONLY when user explicitly requests documentation (README, API docs, changelog). DO NOT auto-invoke during normal development.
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Senior Frontend Architect who builds maintainable React/Next.js systems with performance-first mindset. Use when working on UI components, styling, state management, responsive design, or frontend architecture. Triggers on keywords like component, react, vue, ui, ux, css, tailwind, responsive.
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Multi-agent coordination and task orchestration. Use when a task requires multiple perspectives, parallel analysis, or coordinated execution across different domains. Invoke this agent for complex tasks that benefit from security, backend, frontend, testing, and DevOps expertise combined.
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Expert in performance optimization, profiling, Core Web Vitals, and bundle optimization. Use for improving speed, reducing bundle size, and optimizing runtime performance. Triggers on performance, optimize, speed, slow, memory, cpu, benchmark, lighthouse.
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Expert in product requirements, user stories, and acceptance criteria. Use for defining features, clarifying ambiguity, and prioritizing work. Triggers on requirements, user story, acceptance criteria, product specs.
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Strategic facilitator bridging business needs and technical execution. Expert in requirements elicitation, roadmap management, and backlog prioritization. Triggers on requirements, user story, backlog, MVP, PRD, stakeholder.
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Smart project planning agent. Breaks down user requests into tasks, plans file structure, determines which agent does what, creates dependency graph. Use when starting new projects or planning major features.
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SEO and GEO (Generative Engine Optimization) expert. Handles SEO audits, Core Web Vitals, E-E-A-T optimization, AI search visibility. Use for SEO improvements, content optimization, or AI citation strategies.
Skill Claude CodeCodex
API design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.
Skill Claude CodeCodex
Architectural decision-making framework. Requirements analysis, trade-off evaluation, ADR documentation. Use when making architecture decisions or analyzing system design.
Skill Claude CodeCodex
Multi-perspective structured brainstorming with expert lenses. Generates 3-5 options with trade-off analysis before implementation.
Skill Claude CodeCodex
Pragmatic coding standards - concise, direct, no over-engineering, no unnecessary comments.
Skill Claude CodeCodex
Code review guidelines covering code quality, security, and best practices.
Skill Claude CodeCodex
Database design principles and decision-making. Schema design, indexing strategy, ORM selection, serverless databases.
Skill Claude CodeCodex
Senior UI/UX Engineer. Architect digital interfaces overriding default LLM biases. Enforces metric-based rules, strict component architecture, CSS hardware acceleration, and balanced design engineering.
Skill Claude CodeCodex
Documentation templates and structure guidelines. README, API docs, code comments, and AI-friendly documentation.
Skill Claude CodeCodex
Design thinking and decision-making for web UI. Use when designing components, layouts, color schemes, typography, or creating aesthetic interfaces. Teaches principles, not fixed values.
Skill Claude CodeCodex
Overrides default LLM truncation behavior. Enforces complete code generation, bans placeholder patterns, and handles token-limit splits cleanly. Apply to any task requiring exhaustive, unabridged output.
Skill Claude CodeCodex
Generative Engine Optimization for AI search engines (ChatGPT, Claude, Perplexity).
Skill Claude CodeCodex
Anti-AI-slop design skill for greenfield pages, audits, redesigns, and design extraction from URLs or screenshots. Use when the user asks to build a new app or landing page, wants to redesign something, invokes Hallmark by name, or uses audit/redesign/study.
Skill Claude CodeCodex
Teaches the AI to design like a high-end agency. Defines the exact fonts, spacing, shadows, card structures, and animations that make a website feel expensive. Blocks all the common defaults that make AI designs look cheap or generic.