Developer Tools & Repos Agent Skills for ChatGPT

Use when the user wants to infer HTTP contracts and endpoint documentation from a React or TypeScript frontend instead of relying on a…

Delivery workflow — branch model, branch or worktree, commits, PRs, review, merge, release, rollback, and how to split work between a…

Modern frontend patterns for React Server Components, performance optimization, and Core Web Vitals

Build production-grade mobile apps with native design tokens and platform compliance.

Build installable, offline-first web apps for all devices with native migration via Capacitor.

Implement mobile-first responsive designs with fluid layouts, breakpoints, relative units, and touch-friendly interfaces that work across…

One canonical frontend TypeScript standard — lint rules, correctness gates, file budgets, structure, naming, git hooks, commit…

Use when the user wants feedback on whether a game design, mechanic, or idea will be fun to play -- evaluates incentive loops, tension…

Advanced function patterns including declaration styles, closures, scope chains, hoisting, and this binding.

Use when writing, reviewing, or refactoring SwiftUI code for iOS or macOS, including state management and `@Observable` data flow, view…

Generate 3D models from text or images via fal.ai.

Implement animated effects, transitions, and motion in Flutter apps.

Create, repair, validate, preview, and package Codex-compatible animated pet spritesheets from character art, screenshots, generated…

Visual style, rendering techniques, and animation for web games.

Interactive game brief creation guiding users through defining their game vision.

Translates approved game design briefs and art direction into risk-matched whitebox prototypes or runnable production builds with…

Researches competitive games with evidence-backed snapshots, provides offline visual comparisons, and generates production-ready game…

Game export, platform deployment, and live ops — Godot export presets for PC, mobile, web, and headless server; Steam integration via…

game-design-consultant. Use when developing games with game design consultant.

Comprehensive game design theory covering MDA framework, player psychology, balance principles, and progression systems.

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