Frontend

Use when querying data with Ecto.Query DSL including where clauses, joins, aggregates, preloading, and query composition. Use for building flexible database queries in Elixir applications.

Use when lua tables as the universal data structure including arrays, dictionaries, objects, metatables, object-oriented patterns, data structures, and advanced table manipulation for building flexible, efficient Lua applications.

Use when nestJS dependency injection with providers, modules, and decorators. Use when building modular NestJS applications.

Use when handling async operations in Angular applications with observables, operators, and subjects.

Use when swift's modern concurrency model including async/await, actors, task groups, structured concurrency, and async sequences for building safe, performant concurrent code without data races or callback pyramids.

Use when working with modern C++ codebases requiring features from C++11 to C++23 including lambdas, move semantics, ranges, and concepts.

Orchestrator for WebView UI mockup workflow - delegates design iteration to ui-design-agent and implementation scaffolding to ui-finalization-agent. Use when user mentions UI design, mockup, WebView interface, or requests 'design UI for [plugin]'.

Use when styling React Native Web components. Provides patterns for StyleSheet API, platform-specific styles, responsive design, and theming.

Use when erlang distributed systems including node connectivity, distributed processes, global name registration, distributed supervision, network partitions, and building fault-tolerant multi-node applications on the BEAM VM.

Use when bundling JavaScript/TypeScript code with Bun's fast bundler. Covers building for different targets, tree-shaking, code splitting, and optimization strategies.

Validates and configures all dependencies required for the Plugin Freedom System. This is a STANDALONE skill that runs BEFORE plugin workflows begin. It checks for Python, build tools, CMake, JUCE, and pluginval, optionally installing missing dependencies with user approval. Configuration is saved to .claude/system-config.json for use by other skills. Use when user mentions setup, installation, dependencies, missing tools, or when SessionStart hook detects configuration issues.

Use when implementing Apollo Client patterns for queries, mutations, cache management, and local state in React applications.

Use when managing state and side effects in Ink applications using React hooks for terminal UIs.

Use when working with Tailwind CSS utility classes for layout, spacing, typography, colors, and visual effects. Covers utility-first CSS patterns and class composition.

Use when Django ORM patterns with models, queries, and relationships. Use when building database-driven Django applications.

Use when kotlin coroutines for structured concurrency including suspend functions, coroutine builders, Flow, channels, and patterns for building efficient asynchronous code with cancellation and exception handling.

Use when building or integrating native modules in React Native. Covers creating native modules, Turbo Modules, bridging native code, and accessing platform-specific APIs.

Use when next.js data fetching patterns including SSG, SSR, and ISR. Use when building data-driven Next.js applications.

Use when hotwire (Turbo and Stimulus) for building modern reactive Rails applications without complex JavaScript frameworks.

Use when responding to questions or providing information requiring professional honesty and directness over excessive agreeableness.