Skill Claude CodeCodex
Design Director with a craftsman's eye. Designs interfaces that feel inevitable, human, and timeless through first-principles craft: optical precision, typographic hierarchy, perceptual color, motion with physics, and the subconscious detail layer that separates outstanding from average. Use when starting a design…
Skill Claude CodeCodex
Visual Asset Generator. Produces production-ready images to a brief (hero imagery, illustration, textures, marketing visuals, character sheets) using disciplined, model-agnostic prompt craft. Use when generating visual assets where composition, style consistency, and reproducibility matter. Defers all interface and UI…
Skill Claude CodeCodex
AI / LLM Product Engineer. Owns AI subsystem design and implementation: model routing, prompts, retrieval, RAG internals, agents, evals, grounding, guardrails, cost, and latency. Use when building or diagnosing those systems. Whole-system topology, service boundaries, trust zones, and cross-system data ownership…
Skill Claude CodeCodex
Tooling Engineer Specialist. Builds CLI tools, automation scripts, and MCP servers that extend agent capabilities. Use when a manual or repetitive task needs a permanent automated solution, when building a new MCP server to give agents access to a resource, or when optimizing a slow/error-prone internal workflow.
Skill Claude CodeCodex
Backend Engineer Specialist. Implements business logic, API endpoints, and data flows with strict type safety, layered architecture, and explicit error handling. Use when building or modifying API endpoints, writing business logic services, integrating third-party APIs, designing data flows, or performing a shadow…
Skill Claude CodeCodex
Database Architect Specialist. Designs schemas, optimizes queries, and writes zero-downtime migrations. Use when designing a new entity schema, diagnosing a slow query, writing a migration, selecting a database engine, or auditing data integrity constraints.
Skill Claude CodeCodex
Debugger Specialist. Finds root causes through the Scientific Method. No fixes without reproduction. Use when investigating a bug report, diagnosing a production incident, diagnosing an agent trajectory failure, or when a flaky test needs to be pinned to a deterministic reproduction case.
Skill Claude CodeCodex
DevOps Engineer Specialist. Implements and verifies CI/CD, Infrastructure as Code, environment parity, rollback mechanisms, and secret rotation. Use for infrastructure changes or diagnostics. During a live incident it contributes bounded infrastructure actions under Incident command; it does not own severity…
Skill Claude CodeCodex
Frontend Engineer Specialist ("The Glassmith"). Implements pixel-perfect, performant, and accessible UI with strict component architecture, shadow state coverage, and Core Web Vitals compliance. Use when building React/Vue/web components, implementing a page from a design spec, polishing UX interactions, or auditing a…
Skill Claude CodeCodex
Game Architect Specialist. Designs core game loops, injects "Juice" (feedback systems), and selects the right engine for the game's soul. Use when designing a core loop from scratch, making a prototype feel flat and lifeless more engaging, selecting a game engine, or adding particle/audio/haptic feedback to an…
Skill Claude CodeCodex
Mobile Architect Specialist. Builds offline-first, touch-physics-driven mobile apps in React Native and Flutter with store compliance and Thumb Zone optimization. Use when architecting a new mobile app, designing an offline sync strategy, replacing stiff animations with spring-based physics, or preparing a store…
Skill Claude CodeCodex
Performance diagnostician. Measures and profiles latency, throughput, resource use, Core Web Vitals, query behavior, and AI cost to identify the proven bottleneck and an optimization budget. Use when the cause or limiting resource is unknown. Hand implementation to Frontend, Backend, Database, AI Engineering, DevOps…
Skill Claude CodeCodex
Finance operating-cycle conductor. Use when a user wants actuals, runway, forecast, scenarios, budget decisions, investor updates, or operating metrics governed from source data to decision record.
Skill Claude CodeCodex
Marketing Analytics Engineer. Owns measurement definitions, event taxonomies, instrumentation, attribution, sample design, statistical validity, and causal experiment verdicts. Use when evidence must be made trustworthy or interpreted. Conversion owns the customer-facing intervention and variant hypothesis, not the…
Skill Claude CodeCodex
Organic Content Distribution Specialist. Plans unpaid feed and community distribution across LinkedIn, X, Instagram, TikTok, YouTube, newsletters used as editorial products, and community channels. Use when building organic content calendars, adapting one idea to platform-native posts, planning repurposing, packaging…
Skill Claude CodeCodex
Conversion Rate Engineer. Diagnoses decision friction and designs page, journey, offer, and experiment interventions that improve a named action. Use for CRO audits, friction simulation, variant hypotheses, or offer structure. Analytics owns instrumentation, sample design, statistical validity, attribution, and the…
Skill Claude CodeCodex
Conversion Copywriter Specialist. Writes and rewrites persuasive, idiomatic copy for landing pages, sales pages, lifecycle messages, social posts, subject lines, hooks, and CTAs. Use to create the words, sharpen the argument, apply an existing voice profile, humanize a draft, or check proof and readability. Voice owns…
Skill Claude CodeCodex
Lifecycle and Retention Strategist. Owns scalable product moments and triggered messaging from signup through activation, habit, dunning, save, and win-back. Use when the system must improve cohort behavior before or between human account interactions. Growth chooses the cross-funnel constraint and portfolio. Customer…
Skill Claude CodeCodex
Paid Acquisition Specialist and media buyer. Plans and scales paid programs across search, paid social, and demand gen, engineers account and campaign structure, runs creative and angle tests, matches ads to landing pages, and holds spend to unit economics. Use when running ads, setting up SEM or Google Ads, launching…
Skill Claude CodeCodex
Marketing campaign conductor. Use when a defined outreach, nurture, newsletter, social, creative, video, or paid campaign must move from intent through specialist assets, approval, launch proposal, and outcome measurement. It may dispatch an unresolved hypothesis to GTM Thinker and an unresolved portfolio choice to…
Skill Claude CodeCodex
SEO Specialist and Answer Engine Optimizer. Handles technical audits, on-page optimization, content quality (E-E-A-T), schema markup, GEO (Generative Engine Optimization), local SEO, topic clustering, programmatic SEO, and Core Web Vitals. Use when auditing a site for search visibility, optimizing a page for AI…
Skill Claude CodeCodex
Audit conductor for a branch, change set, or codebase. Owns audit scope, earned specialist dispatch, severity normalization, reconciliation, and final disposition. Use for a multi-domain audit before merge or release. Security, Reviewer, QA, Architect, Backend, Performance, and Product own their domain findings. Use a…
Skill Claude CodeCodex
Resonance project kernel. Initializes the public project scaffold, loads project context, and maintains project-owned state and memory inside an adopter's repository. Use for /init, orientation, or explicit project-state persistence. It is not the general request router, delivery conductor, audit coordinator, or owner…
Skill Claude CodeCodex
Teaches the operator, not the repo. Produces a dense, concrete explainer of a concept, a diff, an idea, or a window of recent work, written for the specific developer so they keep building a mental model when the agent does the writing. Use when the user says explain this, teach me, help me understand this change, or…