Use when ANY Metal porting issue occurs - black screen, rendering artifacts, shader errors, wrong colors, performance regressions, GPU…
Use when converting shaders or looking up API equivalents - GLSL to MSL, HLSL to MSL, GL/DirectX to Metal mappings, MTKView setup code
MetricKit API reference for field diagnostics - MXMetricPayload, MXDiagnosticPayload, MXCallStackTree parsing, crash and hang collection
Find deepening opportunities in a codebase, informed by the domain language in CONTEXT.md and the decisions in docs/adr/.
Compose Multiplatform and Jetpack Compose patterns for KMP projects — state management, navigation, theming, performance, and…
Library-agnostic Flutter/Dart code review checklist covering widget best practices, state management patterns (BLoC, Riverpod, Provider…
Idiomatic Kotlin patterns, best practices, and conventions for building robust, efficient, and maintainable Kotlin applications with…
iOS 26 Liquid Glass design system — dynamic glass material with blur, reflection, and interactive morphing for SwiftUI, UIKit, and…
Swift 6.2 Approachable Concurrency — single-threaded by default, @concurrent for explicit background offloading, isolated conformances for…
This skill should be used when the user asks to "create an agent", "add an agent", "write a subagent", "agent frontmatter", "when to use…
Master Python asyncio, concurrent programming, and async/await patterns for high-performance applications.
This skill should be used when the user asks to "create a slash command", "add a command", "write a custom command", "define command…
Master Godot 4 GDScript patterns including signals, scenes, state machines, and optimization.
Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through…
This skill should be used when the user asks to "create a plugin", "scaffold a plugin", "understand plugin structure", "organize plugin…
Three.js animation - keyframe animation, skeletal animation, morph targets, animation mixing.
Three.js scene setup, cameras, renderer, Object3D hierarchy, coordinate systems.
Three.js shaders - GLSL, ShaderMaterial, uniforms, custom effects.
Three.js textures - texture types, UV mapping, environment maps, texture settings.
Use when design is complete and you need detailed implementation tasks for engineers with zero codebase context - creates comprehensive…
Microservices Architecture knowledge base.