Agent skills for Codex CLI

Plan and sequence COMMUNITY-edition Rancher upgrades across air-gapped multi-cluster fleets — a management/"hosting" Rancher cluster plus…

Use when targeting RAND Journal of Economics or deciding whether an industrial-organization manuscript fits this venue.

This skill should be used when the user asks to "track rankings", "check keyword positions", "ranking changes", "monitor SERP positions"…

Use only when the user explicitly mentions "rapids-first" or "RAPIDS first", to prefer the RAPIDS GPU stack (cudf, cuml, cupy, cupyx) and…

A development loop for shipping AI-written code without the rework.

Primary router and software architect for Ray-Ban Meta and Meta AI glasses projects.

"Boring Rust" — clone freely, simple control flow, max-strictness lints with mechanical enforcement, ownership-honest code that compiles…

Next.js and React performance. Use when writing or reviewing React and Next code for waterfalls, bundle size, RSC boundaries, and…

When to activate: ARIA, keyboard navigation, focus management, screen readers, accessible forms, skip links, live regions

When to activate: render props, HOC, headless components, suspense, concurrent mode, portals, forwardRef, imperative handles

Use this skill to clean up a React component.

Guidelines for writing React components.

Diagnose and fix React codebase health issues.

Use when building React 18+ applications in .jsx or .tsx files, Next.js App Router projects, or create-react-app setups.

Guidance for structuring frontend feature code as vertical feature-first slices (src/features/<feature>/...) instead of global technical…

Streams React Native 0.77+ console logs and network activity to the terminal using Chrome DevTools Protocol WebSockets.

React Native and Expo app patterns — Expo Router navigation, state separation (server/client/route/form), TanStack Query data fetching…

Best practices for React/Next.js projects: component splitting, data fetching, performance, bundles, RSC, hydration, and routing.

React and Next.js performance optimization patterns adapted from Vercel Engineering's React Best Practices…

When to activate: React performance optimization, bundle size, code splitting, lazy loading, profiler, memoization, concurrent features

Set up and use react-pixel-overlay, ART+COM's PerfectPixel-style design overlay for React apps — it renders exported design images (e.g.