Frontend

Use when building C++ applications requiring modern C++20/23 features, template metaprogramming, or high-performance systems. Invoke for concepts, ranges, coroutines, SIMD optimization, memory management. Keywords: C++, C++20, C++23, templates, performance, systems programming.

Use when building Vue 3 applications with Composition API, creating reusable composables, or implementing Nuxt 3 projects. Invoke for Pinia state management, TypeScript integration, reactivity optimization. Keywords: Vue 3, Composition API, Nuxt, reactive, composables, Pinia.

Use for Vite+React+TanStack Query frontends on Bun/Cloudflare Workers with shadcn/Tailwind—provides dev console bridge, tmux layout, dense/no-motion UI defaults, and Justfile/CI parity.

Use when implementing features across frontend and backend, building APIs with UI, or creating end-to-end data flows. Invoke for feature implementation, API development, UI building, cross-stack work. Keywords: fullstack, feature, implement, API, frontend, backend.

Specialized Elm-to-F# migration expert for morphir-dotnet. Expert in converting Elm code from finos/morphir-elm to idiomatic F# while maintaining AOT compatibility, type safety, and behavioral equivalence. Use when migrating Elm modules, converting patterns, implementing Myriad code generation, or translating UI code to Fun.Blazor. Triggers include "elm", "migration", "convert elm", "translate elm", "morphir-elm", "myriad", "fun.blazor", "elm architecture".

Use when building Shopify themes, apps, custom storefronts, or e-commerce solutions. Invoke for Liquid templating, Storefront API, app development, checkout customization, Shopify Plus features.

Use when the user asks for recommendations, next steps, best approaches, or “what should I do” guidance to achieve a goal or fix a problem.

Writing clear, discoverable software documentation following the Eight Rules and Diataxis framework. Use when creating README files, API docs, tutorials, how-to guides, or any project documentation. Automatically enforces docs/ location, linking requirements, and runnable examples.

Expert Morphir application architect providing guidance on AST design, functional programming patterns, IR transformations, and code generation for morphir-dotnet. Triggers include "architecture", "design patterns", "AST", "IR", "functional programming", "code generation".

Analyzes events through poetic lens using close reading, metaphor analysis, imagery, rhythm, form analysis, and attention to language's emotional and aesthetic dimensions. Provides insights on emotional truth, symbolic meaning, human experience, aesthetic impact, and expressive depth. Use when: Understanding emotional dimensions, symbolic meaning, communication impact, cultural resonance, human experience. Evaluates: Imagery, metaphor, rhythm, emotional truth, symbolic depth, aesthetic power, resonance, ambiguity.

Use when building Apache Spark applications, distributed data processing pipelines, or optimizing big data workloads. Invoke for DataFrame API, Spark SQL, RDD operations, performance tuning, streaming analytics.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations.

Guides architects on when and how to use goal-seeking agents as a design pattern. This skill helps evaluate whether autonomous agents are appropriate for a given problem, how to structure their objectives, integrate with goal_agent_generator, and reference real amplihack examples like AKS SRE automation, CI diagnostics, pre-commit workflows, and fix-agent pattern matching.

Use when building RAG systems, vector databases, or knowledge-grounded AI applications requiring semantic search, document retrieval, or context augmentation.

Analyzes events through chemistry lens using molecular structure, reaction mechanisms, thermodynamics, kinetics, and analytical techniques (spectroscopy, chromatography, mass spectrometry). Provides insights on chemical processes, material properties, reaction pathways, synthesis, and analytical methods. Use when: Chemical reactions, material analysis, synthesis planning, process optimization, environmental chemistry. Evaluates: Molecular structure, reaction mechanisms, yield, selectivity, safety, environmental impact.

Generates module specifications following amplihack's brick philosophy template. Use when creating new modules or documenting existing ones to ensure they follow the brick & studs pattern. Analyzes code to extract: purpose, public contract, dependencies, test requirements.

Use when defining SLIs/SLOs, managing error budgets, or building reliable systems at scale. Invoke for incident management, chaos engineering, toil reduction, capacity planning. Keywords: SRE, site reliability, SLO, SLI, error budget, incident management, chaos engineering.

Use when building PHP applications with modern PHP 8.3+ features, Laravel, or Symfony frameworks. Invoke for strict typing, PHPStan level 9, async patterns with Swoole, PSR standards. Keywords: PHP, Laravel, Symfony, PHPStan, strict types, Eloquent.

Use when building Angular 17+ applications with standalone components or signals. Invoke for enterprise apps, RxJS patterns, NgRx state management, performance optimization, advanced routing. Keywords: Angular, standalone components, signals, RxJS, NgRx, OnPush.

Analyzes technical systems and problems through engineering lens using first principles, systems thinking, design methodologies, and optimization frameworks. Provides insights on feasibility, performance, reliability, scalability, and trade-offs. Use when: System design, technical feasibility, optimization, failure analysis, performance issues. Evaluates: Requirements, constraints, trade-offs, efficiency, robustness, maintainability.