Developer Tools & Repos Agent Skills for Gemini CLI

Three.js animation - keyframe animation, skeletal animation, morph targets, animation mixing.

Create 3D scenes, interactive experiences, and visual effects using Three.js.

Build Unity games with optimized C# scripts, efficient rendering, and proper asset management.

Production patterns for Unity's Data-Oriented Technology Stack (DOTS) including Entity Component System, Job System, and Burst Compiler.

Expert guide for Unreal Engine 5.x C++ development, covering UObject hygiene, performance patterns, and best practices.

Kotlin 2.0+ development specialist covering Ktor, coroutines, Compose Multiplatform, and Kotlin-idiomatic patterns.

Design high-quality mobile app UI/UX screens, flows, and components.

Streamlines the development, testing, and automation of mobile applications through specialized agentic workflows.

Use when picking a mobile E2E framework — Detox / Appium / Maestro / XCUITest / Espresso — or planning iOS Simulator / Android Emulator…

End-to-end mobile testing of Expo/React Native apps via claude-in-mobile MCP + mcporter.

Flutter 3.27+ patterns — Riverpod 2 state with codegen, GoRouter 14+ navigation, Impeller rendering (default on all platforms), WASM web…

Expert guidance on mobile performance optimization — achieving 60fps rendering, memory management (leak detection, large image handling)…

Audits mobile app interfaces across Flutter and React Native builds for platform conventions, responsive layouts, touch targets, and…

MockDeviceKit for testing without physical glasses hardware

ModelWar - Core War for Agents

Modern C# language features for .NET 10 and C# 14.

Use when modern C++ features from C++11/14/17/20 including auto, lambdas, range-based loops, structured bindings, and concepts.

Specialized knowledge for writing modern high-quality CSS.

Modern Perl 5.36+ idioms, best practices, and conventions for building robust, maintainable Perl applications.

WHEN building SwiftUI views, managing state, setting up shared services, or making architectural decisions; NOT for UIKit or legacy…

Improve, modernize, and optimize existing Stata code for performance, portability, and maintainability.