Skill Claude CodeCodex
Use when building .NET 8 applications with minimal APIs, clean architecture, or cloud-native microservices. Invoke for Entity Framework Core, CQRS with MediatR, JWT authentication, AOT compilation.
Skill Claude CodeCodex
Use when developing firmware for microcontrollers, implementing RTOS applications, or optimizing power consumption. Invoke for STM32, ESP32, FreeRTOS, bare-metal, power optimization, real-time systems, configure peripherals, write interrupt handlers, implement DMA transfers, debug timing issues.
Skill Claude CodeCodex
Use when you have a written implementation plan to execute in a separate session with review checkpoints. Triggers on: "execute the plan", "implement the tasks", "start building", any plan execution request. Loads plan, reviews critically, executes tasks in batches with checkpoints.
Skill Claude CodeCodex
Guidelines for creating API routes in Expo Router with EAS Hosting.
Skill Claude CodeCodex
Helps understand and write EAS workflow YAML files for Expo projects. Use this skill when the user asks about CI/CD or workflows in an Expo or EAS context, mentions .eas/workflows/, or wants help with EAS build pipelines or deployment automation.
Skill Claude CodeCodex
Deploying Expo apps to iOS App Store, Android Play Store, web hosting, and API routes.
Skill Claude CodeCodex
Build and distribute Expo development clients locally or via TestFlight.
Skill Claude CodeCodex
Guide for writing Expo native modules and views using the Expo Modules API (Swift, Kotlin, TypeScript). Covers module definition DSL, native views, shared objects, config plugins, lifecycle hooks, autolinking, and type system. Use when building or modifying native modules for Expo.
Skill Claude CodeCodex
Set up Tailwind CSS v4 in Expo with react-native-css and NativeWind v5 for universal styling.
Skill Claude CodeCodex
@expo/ui/jetpack-compose package lets you use Jetpack Compose Views and modifiers in your app.
Skill Claude CodeCodex
@expo/ui/swift-ui package lets you use SwiftUI Views and modifiers in your app.
Skill Claude CodeCodex
Use when building high-performance async Python APIs with FastAPI and Pydantic V2. Invoke to create REST endpoints, define Pydantic models, implement authentication flows, set up async SQLAlchemy database operations, add JWT authentication, build WebSocket endpoints, or generate OpenAPI documentation. Trigger terms…
Skill Claude CodeCodex
Conducts structured requirements workshops to produce feature specifications, user stories, EARS-format functional requirements, acceptance criteria, and implementation checklists. Use when defining new features, gathering requirements, or writing specifications. Invoke for feature definition, requirements gathering…
Skill Claude CodeCodex
Use when fine-tuning LLMs, training custom models, or adapting foundation models for specific tasks. Invoke for configuring LoRA/QLoRA adapters, preparing JSONL training datasets, setting hyperparameters for fine-tuning runs, adapter training, transfer learning, finetuning with Hugging Face PEFT, OpenAI fine-tuning…
Skill Claude CodeCodex
Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup.
Skill Claude CodeCodex
Use when building cross-platform applications with Flutter 3+ and Dart. Invoke for widget development, Riverpod/Bloc state management, GoRouter navigation, platform-specific implementations, performance optimization.
Skill Claude CodeCodex
Component-level frontend craft toolkit with 20 iterative design commands (/critique, /audit, /normalize, /polish, /harden, /animate, /colorize, /distill, /typeset, /arrange, /delight, /clarify, /optimize). Use to refine, critique, or polish EXISTING UI components and pages — spacing, typography, motion, states…
Skill Claude CodeCodex
Builds security-focused full-stack web applications by implementing integrated frontend and backend components with layered security at every level. Covers the complete stack from database to UI, enforcing auth, input validation, output encoding, and parameterized queries across all layers. Use when implementing…
Skill Claude CodeCodex
Use when building game systems, implementing Unity/Unreal Engine features, or optimizing game performance. Invoke to implement ECS architecture, configure physics systems and colliders, set up multiplayer networking with lag compensation, optimize frame rates to 60+ FPS targets, develop shaders, or apply game design…
Skill Claude CodeCodex
GitHub Actions workflow patterns for React Native iOS simulator and Android emulator cloud builds with downloadable artifacts. Use when setting up CI build pipelines or downloading GitHub Actions artifacts via gh CLI and GitHub API.
Skill Claude CodeCodex
GitHub patterns using gh CLI for pull requests, stacked PRs, code review, branching strategies, and repository automation. Use when working with GitHub PRs, merging strategies, or repository management tasks.
Skill Claude CodeCodex
Implements concurrent Go patterns using goroutines and channels, designs and builds microservices with gRPC or REST, optimizes Go application performance with pprof, and enforces idiomatic Go with generics, interfaces, and robust error handling. Use when building Go applications requiring concurrent programming…
Skill Claude CodeCodex
Use when designing GraphQL schemas, implementing Apollo Federation, or building real-time subscriptions. Invoke for schema design, resolvers with DataLoader, query optimization, federation directives.
Skill Claude CodeCodex
Anti-AI-slop design skill with four explicit modes — build (new pages), audit (score existing UI against 57 slop-test gates), redesign (rebuild with a different fingerprint while preserving copy and IA), and study (extract design DNA from a URL or screenshot into a portable design.md). Use when the user says audit…