Developer Tools & Repos Agent Skills for Claude Code

React render performance patterns including React Compiler integration, memoization strategies, TanStack Virtual, and DevTools profiling.

Reviews React Router code for proper data loading, mutations, error handling, and navigation patterns.

React Router v7 best practices for data-driven routing.

Use when building Next.js 16+ apps with React Server Components.

React Three Fiber (R3F) and Poimandres ecosystem best practices.

Build React-hosted 3D browser games with React Three Fiber.

Use React/React Native code as the source of truth and implement the equivalent feature in iOS/Swift.

Streamlines Unreal Engine UI development by providing precise structural guidance for SlateColor and LinearColor types in ReactUMG.

Provides expert guidance and code patterns to avoid common bugs and performance issues in ReactUMG UI development for Unreal Engine.

Provides comprehensive development rules and patterns for building Unreal Engine interfaces with ReactUMG.

Optimizes ReactUMG performance by enforcing proper component identity management and key usage patterns in Unreal Engine.

Streamlines UI layout and positioning in Unreal Engine using standardized ReactUMG slot mapping rules.

Guides developers in distinguishing between React component references and PuerTS C++ out-parameter references within Unreal Engine UI…

Transform TTRPG game text (location descriptions, situations, encounters) into polished read-aloud narration for table delivery.

Generates Read Model/Projection for PHP 8.4.

Django REST Framework patterns. Trigger: When implementing generic DRF APIs (ViewSets, serializers, routers, permissions, filtersets). For…

Use when accepting ANY real-world payment — Apple Pay, Wallet passes, Tap to Pay, Orders in Wallet.

Build iOS augmented reality and 3D experiences with RealityKit and ARKit.

RealityKit API reference — Entity, Component, System, RealityView, Model3D, anchor types, material system, physics, collision, animation…

Use when building 3D content, AR experiences, or spatial computing with RealityKit.

Use when RealityKit entities not visible, anchors not tracking, gestures not responding, performance drops, materials wrong, or…