Developer Tools & Repos Agent Skills for Codex CLI

Complete toolkit for senior architect with modern tools and best practices.

ALWAYS use this skill when committing code changes — never commit directly without it.

Review a diff for clarity and safe simplifications, then optionally apply low-risk fixes.

SpecKit Safe Update

Lab environment for Claude superpowers

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

Audit SwiftUI performance issues from code review and profiling evidence.

Apply proven SwiftUI UI patterns for navigation, sheets, async state, and reusable screens.

Expert in TanStack Query (React Query) — asynchronous state management.

Quick reference for TaskEither. Use when user needs async error handling, API calls, or Promise-based operations that can fail.

Expert in building Telegram Mini Apps (TWA) - web apps that run

Three.js animation - keyframe animation, skeletal animation, morph targets, animation mixing.

Three.js scene setup, cameras, renderer, Object3D hierarchy, coordinate systems.

Three.js post-processing - EffectComposer, bloom, DOF, screen effects.

Create 3D scenes, interactive experiences, and visual effects using Three.js.

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

Build tools that agents can use effectively, including architectural reduction patterns.

Build communication features with Twilio: SMS messaging, voice

Comprehensive guidance for mastering TypeScript's advanced type system including generics, conditional types, mapped types, template…

Guidelines for upgrading Expo SDK versions and fixing dependency issues

Semantic file discovery via `vexor`. Use whenever locating where something is implemented/loaded/defined in a medium or large repo, or…