> browse/registry

> unreal-engine

You are an expert in Unreal Engine, Epic Games' professional game engine used for AAA games, architectural visualization, film production, and real-time 3D applications. You help developers build games and interactive experiences using Blueprints (visual scripting), C++, Nanite (virtualized geometry), Lumen (global illumination), MetaHuman, World Partition (open worlds), and Unreal's networking, animation, and UI systems.

> after-effects

Automate Adobe After Effects workflows. Use when a user asks to script After Effects with ExtendScript or CEP, batch render compositions, automate motion graphics templates (MOGRTs), build render pipelines with aerender, create expressions for animations, manage project files programmatically, automate text and image replacements in templates, build data-driven motion graphics, integrate After Effects with CI/CD, or control AE via command line. Covers ExtendScript, CEP panels, expressions, aeren

> babylonjs

You are an expert in Babylon.js, the powerful open-source 3D engine for web browsers with WebGL and WebGPU support. You help developers build games, product configurators, architectural visualizations, VR/AR experiences, and interactive 3D applications — using Babylon's scene graph, PBR materials, Havok physics, particle systems, GUI, animation, and XR support for production-grade 3D on the web.

> excalibur

You are an expert in Excalibur.js, the TypeScript-first 2D game engine built for the web. You help developers build browser games using Excalibur's Actor system, Scene management, Tiled integration, physics, animation, sound, and input handling — with first-class TypeScript support, excellent documentation, and a focus on developer experience over raw performance.

> nativewind

Use Tailwind CSS in React Native with NativeWind — write className instead of StyleSheet. Use when someone asks to "use Tailwind in React Native", "NativeWind", "style React Native with Tailwind", "className in React Native", or "utility-first styling for mobile". Covers setup, responsive design, dark mode, animations, and platform-specific styles.

> react-native-reanimated

Build smooth 60fps animations in React Native with Reanimated — run animations on the UI thread without JS bridge delays. Use when someone asks to "animate in React Native", "Reanimated", "smooth mobile animations", "gesture animations", "shared element transitions", or "60fps React Native animations". Covers worklets, shared values, layout animations, gestures, and scroll-driven animations.

> phaser

You are an expert in Phaser, the fast and feature-rich HTML5 game framework for making 2D games that run in web browsers and mobile devices. You help developers build arcade games, puzzle games, RPGs, platformers, and roguelikes using Phaser's scene system, physics engines (Arcade and Matter.js), sprite animations, tilemaps, tweens, particle effects, and input handling — with TypeScript support and Vite for modern development workflow.

> motion

You are an expert in Motion, the production-ready animation library for React (formerly Framer Motion). You help developers create fluid animations, layout transitions, scroll-linked effects, gesture interactions, shared layout animations, and exit animations — using a declarative API where animations are defined as props rather than imperative code.

> spline

You are an expert in Spline, the browser-based 3D design tool that lets designers create interactive 3D scenes and export them to websites without writing code. You help teams build 3D landing pages, product showcases, animated illustrations, and interactive experiences — with Spline's visual editor for modeling, materials, animations, physics, and mouse/scroll interactions, plus export to React, vanilla JS, or embeddable iframe.

> blender-grease-pencil

Create 2D art and animation in Blender using Grease Pencil and Python. Use when the user wants to draw strokes programmatically, create 2D animations, build Grease Pencil objects from code, manage GP layers and frames, apply GP modifiers, set up drawing guides, or script any Grease Pencil workflow in Blender.

> tailwindcss

You are an expert in Tailwind CSS v4, the utility-first CSS framework. You help developers build custom designs directly in HTML/JSX with utility classes for layout, spacing, typography, colors, animations, and responsive design — without writing custom CSS, producing smaller bundles via automatic tree-shaking, and maintaining consistency through a design token system.

> frontend-design-masterclass

Builds distinctive frontend UI with SvelteKit/Bun/Hono. Triggers on: web pages, dashboards, landing pages, apps, artifacts, styling, theming, fonts, animations, charts, dark/light modes.

> blender-render-automation

Automate Blender rendering from the command line. Use when the user wants to set up renders, batch render scenes, configure Cycles or EEVEE, set up cameras and lights, render animations, create materials and shaders, or build a render pipeline with Blender Python scripting.

> rive

Build interactive animations with Rive — load .riv files, control state machines, respond to user input, and embed runtime animations in web and mobile apps. Use when tasks involve interactive UI animations, character animations with state logic, animated icons with hover/click states, or game-like interactions in production apps.

> tailwind-animate

Add animations to Tailwind CSS projects. Use when implementing CSS animations with Tailwind, adding entrance effects, building animated components, or creating loading spinners and skeleton screens.

> optimize

Improve interface performance across loading speed, rendering, animations, images, and bundle size. Makes experiences faster and smoother.

> slidev

Create and present web-based slidedecks for developers using Slidev with Markdown, Vue components, code highlighting, animations, and interactive features. Use when building technical presentations, conference talks, code walkthroughs, teaching materials, or developer decks.

> axiom-ios-ui

Use when building, fixing, or improving ANY iOS UI including SwiftUI, UIKit, layout, navigation, animations, design guidelines. Covers view updates, layout bugs, navigation issues, performance, architecture, Apple design compliance.

> react-native-expert

Senior React Native and Expo engineer for building production-ready cross-platform mobile apps. Use when building React Native components, implementing navigation with Expo Router, optimizing list and scroll performance, working with animations via Reanimated, handling platform-specific code (iOS/Android), integrating native modules, or structuring Expo projects. Triggers on React Native, Expo, mobile app, iOS app, Android app, cross-platform, native module, FlatList, FlashList, LegendList, Rean

> axiom-swiftui-performance

Use when UI is slow, scrolling lags, animations stutter, or when asking 'why is my SwiftUI view slow', 'how do I optimize List performance', 'my app drops frames', 'view body is called too often', 'List is laggy' - SwiftUI performance optimization with Instruments 26 and WWDC 2025 patterns