Developer Tools & Repos Agent Skills

Generates and manages industry-standard Game Design Documents (GDD) with a professional planning framework.

Run browser-game playtests and frontend QA.

Expert knowledge of Unity-based game skill configuration system.

Help users create .randsum.json specs for custom TTRPG dice mechanics.

Route early browser-game work. Use when the user needs stack selection and workflow planning across design, implementation, assets, and…

Use when a user wants to optimize specific games (FPS, latency, frame pacing, screen tearing) on Windows — per-game NVCP profiles…

Design UI surfaces for browser games. Use when the user asks for HUDs, menus, overlays, responsive layouts, or visual direction that must…

Game Center integration - achievements, leaderboards, matchmaking, multiplayer.

Guide beginners through exploring, comparing, refining, and validating gameplay ideas for digital games, tabletop games, and paper…

Integrate new or updated gameplay modes into the existing game app end-to-end, including lobby registration, navigation wiring, state…

Use when building ANY 2D or 3D game with SpriteKit, SceneKit, or RealityKit, or adding touch controls or game controller support.

Debug and resolve common Gamma API errors.

Understand and manage Gamma API rate limits effectively.

Handle Gamma webhooks and events for real-time updates.

Expert skill for garbage collector design and implementation including various collection algorithms

GDExtension C++ to C# interop via C-ABI — managed/native boundary, extension_api.json, ObservableGodot tier architecture

Initialize game test framework for Unity, Unreal, or Godot.

Use when writing production-grade GDScript — performance idioms, metaprogramming, @tool lifecycle, async pitfalls, signal/Callable…

Search Godot Engine and GDScript documentation using Deepwiki and Context7.

Validate GDScript changes by refreshing Godot cache and checking diagnostics.

Move, rename, or delete GDScript files with their .uid files for Godot projects.