Developer Tools & Repos Agent Skills for ChatGPT

Guides systematic code migrations, framework upgrades, and technical modernization with rigorous risk assessment and contract testing.

Use this skill when building or modifying Minecraft server plugins for Paper, Spigot, or Bukkit, including plugin.yml setup, commands…

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

Use when managing environment variables and project settings with Mise.

Apple Human Interface Guidelines for content display components.

Mandatory skills, conventions, and behavioral rules for Avalonia UI development using the Zafiro toolkit.

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

Kotlin 2.0+ development specialist covering Ktor, coroutines, Compose Multiplatform, and Kotlin-idiomatic patterns.

Design high-quality mobile app UI/UX screens, flows, and components.

iOS/macOS app deployment and App Store Connect automation using the `asc` CLI — a lightweight alternative to fastlane.

Remote JavaScript console access and debugging on mobile devices.

Mobile deep linking specialist for Universal Links, App Links, deferred deep links, and attribution.

Produce a mobile feature spec — user story, technical approach, component breakdown, platform-specific considerations, edge cases.

Mobile-first UX optimization for touch interfaces, responsive layouts, and performance.

V2 instinct-based observational learning.

Eliminate mobile security misconfiguration against OWASP Mobile Top 10 M8.

Expert guidance on mobile performance optimization — achieving 60fps rendering, memory management (leak detection, large image handling)…

Architects cross-platform and native mobile applications, providing guidance on state management, navigation, and platform-specific best…

Build adequate privacy controls into a mobile app against OWASP Mobile Top 10 M6.

Automatically discover mobile development skills when working with iOS, Android, Swift, SwiftUI, React Native, mobile development…

Automated testing workflow with pass@k metrics for mobile development.