Developer Tools & Repos Agent Skills for ChatGPT

Use when creating, editing, or reviewing HOTL skills, agents, command prompts, or other behavior-shaping instruction files.

Use when building in-game HUDs — health bars, score displays, minimap, notifications, and damage numbers

Write git commit messages that sound human, not AI-generated.

Reviews a GitHub pull request like a thoughtful human reviewer and writes the feedback to a markdown file.

Designs a real-time 3D visualization of the Hutchison Effect — overlapping RF, microwave, and Tesla coil interference field patterns…

Project-specific review profile for the openshift/hypershift repository — delegates to the repo's own agents and skills

Autonomous navigation agent for Oracle of Secrets.

This skill should be used when the user asks "is this a breaking change", "can I change this undocumented behavior", "why did an internal…

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

Three.js geometry creation - built-in shapes, BufferGeometry, custom geometry, instancing.

Three.js textures - texture types, UV mapping, environment maps, texture settings.

Use when the user mentions iCloud sync issues, CloudKit errors, ubiquitous container problems, or asks to audit cloud sync.

Use when debugging 'file not syncing', 'CloudKit error', 'sync conflict', 'iCloud upload failed', 'ubiquitous item error', 'data not…

Use when the user asks to "make this endpoint safe to retry", "add an idempotency key", "handle duplicate webhook delivery", "design a…

Analyzes PHP code for idempotency issues.

Idempotency patterns for APIs and event handlers.

Generates Idempotent Consumer components for PHP 8.4.

Generate game assets via the Google Gemini image API and process them into final sprite files.

Image loading patterns for mobile - Coil for Android/Compose, async image loading for iOS, caching strategies, transformations…

Implements a new MCP tool for a Backlog API endpoint from its documentation URL (e.g…

Use this skill when the user asks to implement / wire up / gắn a set of analytics events into a vulcanlabs-style Android app from an event…