Developer Tools & Repos Agent Skills for Grok Build

Manages the design, implementation, and debugging of magic book systems within the Magic and Frontier Minecraft framework.

Generate or edit Minecraft raster assets such as pack icons, promo art, concept textures, thumbnails, banners, and UI mockups.

Create, modify, debug, or migrate Minecraft mods for current NeoForge or Fabric 26.x, legacy 1.21.x, and Forge 1.20.1.

Build and maintain Architectury-based Minecraft 26.x or 1.21.x mods that share one codebase across NeoForge and Fabric.

Build 2D browser games with Phaser 3 (JS/TS): scenes, sprites, physics (Arcade/Matter), tilemaps (Tiled), animations, input.

Comprehensive skill for Babylon.js 3D web rendering engine.

Lightweight WebGL/WebGPU game engine with entity-component architecture and visual editor integration.

Comprehensive skill for Adobe Substance 3D Painter texturing and material creation workflow.

Produce the smallest possible code change that fixes one specific, well-scoped issue — CI failure, reviewer comment, or bug report.

Implement Miro REST API v2 rate limiting with the credit-based system,

Apply production-ready patterns for @mirohq/miro-api client usage.

A tool for creating and managing Garry's Mod addons, including Lua scripting, content creation, and addon packaging.

Use when implementing or debugging ANY network request, API call, or data fetching.

Game design principles. GDD structure, balancing, player psychology, progression.

Scaffold, build, sign, and package SwiftPM macOS apps without Xcode projects.

Master Minecraft server plugin development with Bukkit, Spigot, and Paper APIs.

CRITICAL: Use for Robius event and action patterns.

Audit SwiftUI performance issues from code review and profiling evidence.

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

Three.js scene setup, cameras, renderer, Object3D hierarchy, coordinate systems.

Three.js interaction - raycasting, controls, mouse/touch input, object selection.