Developer Tools & Repos Agent Skills for ChatGPT

Use React/React Native code as the source of truth and implement the equivalent feature in iOS/Swift.

Streamlines Unreal Engine UI development by providing precise structural guidance for SlateColor and LinearColor types in ReactUMG.

Provides expert guidance and code patterns to avoid common bugs and performance issues in ReactUMG UI development for Unreal Engine.

Provides comprehensive development rules and patterns for building Unreal Engine interfaces with ReactUMG.

Optimizes ReactUMG performance by enforcing proper component identity management and key usage patterns in Unreal Engine.

Streamlines UI layout and positioning in Unreal Engine using standardized ReactUMG slot mapping rules.

Guides developers in distinguishing between React component references and PuerTS C++ out-parameter references within Unreal Engine UI…

Generates Read Model/Projection for PHP 8.4.

Implement real-time features with WebSockets, Server-Sent Events, and long polling.

Use when accepting ANY real-world payment — Apple Pay, Wallet passes, Tap to Pay, Orders in Wallet.

RealityKit API reference — Entity, Component, System, RealityView, Model3D, anchor types, material system, physics, collision, animation…

Use when building 3D content, AR experiences, or spatial computing with RealityKit.

Use when RealityKit entities not visible, anchors not tracking, gestures not responding, performance drops, materials wrong, or…

Use when migrating from Realm to SwiftData - comprehensive migration guide covering pattern equivalents, threading model conversion…

Analyzes user requirements and plans reconnection workflows for real-time connections without making premature system changes.

Fetch origin/master, rebase current branch onto it, resolve any merge conflicts, amend the commit, and force push.

Match bank transactions to invoices in Pennylane: find transactions lacking a justification and invoices left unpaid, propose pairings…

Use when setting up UI test recording in Xcode 26, enhancing recorded tests for stability, or configuring test plans for…

Use when the user wants to remove unused #include directives from a WebKit source directory (bmalloc, WTF, JavaScriptCore, WebCore…

Reduce time-to-first-API-call (TTFAC) by optimizing every step of the developer onboarding journey.

Use when code has grown complex, duplicated, or cluttered — clean up structure and remove dead code without changing observable behavior