Skill Claude CodeCodex
Teach and apply the Facade pattern to provide a simple, task-focused interface over complex subsystems while reducing client coupling to internal classes. Use when users ask about Facade, simplifying third-party frameworks, layered entry points, minimizing integration boilerplate, or comparing Facade with Adapter…
Skill Claude CodeCodex
Teach and apply the Flyweight (Cache) pattern to reduce RAM usage by sharing immutable intrinsic state across massive numbers of similar objects. Use when users ask about Flyweight, object pooling, intrinsic vs extrinsic state, RAM-constrained object creation, or comparing Flyweight to Singleton or Prototype.
Skill Claude CodeCodex
Teach and apply the Proxy pattern to substitute a service with an interchangeable wrapper that controls access while preserving the same interface. Use when users ask about Proxy, lazy initialization, access control, remote service wrappers, request logging, caching, or comparing Proxy with Decorator, Adapter, or…
Skill Claude CodeCodex
Builds, extends, and reviews Expo native modules with the Modules API (Swift/Kotlin ModuleDefinition DSL, expo-modules-core, views, events, Records, Android Package lifecycle listeners). Use when creating a local or published Expo module, writing native code in ios/ or android/, hooking MainActivity or Application…
Skill Claude CodeCodex
Installs and configures NativeWind v4 (Tailwind CSS for React Native) in an Expo project, covering package installation, Tailwind config, Babel preset, Metro config, global CSS import, and app.json bundler switch. Use when the user asks to add NativeWind, set up Tailwind CSS in Expo, configure nativewind, or integrate…
Skill Claude CodeCodex
Apply Pragmatic Programmer principles—DRY (Don't Repeat Yourself) and Orthogonality—when authoring, reviewing, or refactoring code. Detects knowledge duplication, tight coupling, global state abuse, and similar-function sprawl, then proposes authoritative single-source fixes. Use when the user asks for DRY review…
Skill Claude CodeCodex
Apply named refactoring techniques (Extract Method, Move Method, Replace Conditional with Polymorphism, etc.) organized by the classic catalog — Composing Methods, Moving Features between Objects, Organizing Data, Simplifying Conditional Expressions, Simplifying Method Calls, and Dealing with Generalization. Use when…
Skill Claude CodeCodex
Adds a new database engine to db-mcp by interviewing the user for engine details, then updating all required touchpoints (config, schemas, executor, MCP tools, icon registry). Use when the user says "add [database] support", "support [engine]", or "new database engine".
Skill Claude CodeCodex
Manages shadcn components and projects — adding, searching, fixing, debugging, styling, and composing UI, including chat interfaces. Provides project context, component docs, and usage examples. Applies when working with shadcn/ui, component registries, presets, --preset codes, or any project with a components.json…
Instructions file
Claude Code instructions for mdadul/db-mcp, covering db mcp gateway — codebase guide, architecture, key commands, development and testing.