Developer Tools & Repos Agent Skills for OpenAI Agents SDK

Architects engaging gameplay experiences through formal design theory, core loop optimization, and balanced game mechanics.

Systems and mechanics architect - Masters GDD authorship, player psychology, economy balancing, and gameplay loop design across all…

Use when working on Unity game development - provides expert validation, asset generation, and performance profiling

Use when implementing game animations, player feedback, character movement, or interactive entertainment in Unity, Unreal, or other game…

Use when a cross-engine gameplay task needs a Layer 2 shared-runtime architecture decision — simpler rule flow, FSM, behavior tree…

Use when a cross-engine gameplay task needs a Layer 2 shared-runtime behavior-tree design for hierarchical priorities, fallback branches…

Use when a cross-engine gameplay task needs a Layer 2 shared-runtime action-flow design for direct-call coupling, ad-hoc action queues…

Use when a cross-engine gameplay task needs a Layer 1 foundation for reusable condition semantics — preconditions, guard clauses…

Use when a cross-engine gameplay task needs a Layer 1 foundation for entity identity, stale references, payload safety, or…

Use when a cross-engine gameplay task needs a Layer 2 shared-runtime performance review for spawn/despawn churn, GC spikes, or short-lived…

Use when a cross-engine gameplay task needs a Layer 1 foundation for cost, spend, reservation, refund, or commit-and-rollback semantics…

Use when a cross-engine gameplay task needs a Layer 1 foundation for change callbacks, invalidation signals, observer updates, or…

Use when a cross-engine gameplay task needs a Layer 1 foundation for timer logic, update cadence, cooldown clocks, pause rules, or…

Juice, feedback layering, screen shake/particles/sound timing, the perception-action cycle, and 'why does this feel bad?' diagnostics.

Create, update, or validate a game's Game Design Document.

Use when implementing game math — vectors, transforms, interpolation, curves, random number generation, and common geometric recipes

Game design assistant for exploring mechanics, authoring new games, and refining existing ones.

Per-frame performance and GC-pressure optimization for JS/TS game code.

Expert knowledge of Unity-based game skill configuration system.

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

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