Developer Tools & Repos Agent Skills for Codex CLI

Use this skill when the user says 'webhook', 'webhook handler', 'webhook endpoint', 'receive events', 'HMAC verification', 'idempotency'…

Validate temporal relevance of webhook payloads at the handler boundary — webhooks arrive carrying a moment that has already passed, and…

Webpack/Vite/esbuild configuration optimization for build performance

Use when building real-time communication systems with WebSockets or Socket.IO.

Real-time communication patterns with WebSocket, Socket.io, Server-Sent Events, and scaling strategies

Diagnoses and resolves touch and scroll leakage issues between mobile WebViews and native containers alongside JSBridge debugging.

WebXR spatial anchors, hit-testing, anchor creation and persistence on Meta Quest.

WebXR input sources on Meta Quest — controllers, hand tracking, input poses, gamepad buttons/axes, select/squeeze events, Three.js…

Provider-specific setup for Weegloo ServiceLogin with Kakao (Kakao Login) OAuth 2.0 — the exact Kakao Developers steps to create an…

Algorithmic philosophies are computational aesthetic movements that are then expressed through code.

Game development orchestrator. Routes to platform-specific skills based on project needs.

Expert guide for writing efficient GLSL shaders (Vertex/Fragment) for web and game engines, covering syntax, uniforms, and common effects.

Production patterns for Unity's Data-Oriented Technology Stack (DOTS) including Entity Component System, Job System, and Burst Compiler.

Summarize code changes briefly and accurately from Git evidence.

Explain why code looks the way it does by tracing the latest change for a file range or pasted snippet through `git blame` and…

Enforces Flutter widget composition — extract named const Widget classes never `Widget _buildX()` methods, lean build() (no…

Reviews WidgetKit code for timeline management, view composition, configurable intents, and performance.

Build iOS/macOS/watchOS/visionOS widgets, Live Activities, watch complications, and controls using Apple's WidgetKit framework.

When to activate: WidgetKit, widget timelines, AppIntents, interactive widgets, widget configuration, SwiftUI widget views

Generate structured changelogs from git history.

Expert guidance for Windows, PowerShell, WSL interop, and cross-platform development