Web & Frontend

Preserve React 18 concurrent patterns and adopt React 19 APIs (useTransition, useDeferredValue, Suspense, use(), useOptimistic, Actions) during migration.

A shell for the web. Navigate URLs like directories, query pages with Unix-like commands. Activate on `websh` command, shell-style web navigation, or when treating URLs as a filesystem.

High-converting landing pages — campaign pages, collection pages, seasonal promos, A/B testing

Deprecated compatibility entry for Navigation Menu construction. This component is now maintained in Bricks; install and use component-builder to build a new Navigation Menu.

A modern dark-themed React UI system using Tailwind CSS and Framer Motion. Designed for dashboards, admin panels, and data-rich applications with glassmorphism effects and tasteful animations.

Analyze and optimize React component performance issues (slow renders, re-render thrash, laggy lists, expensive computations). Use when asked to profile or improve a React component, reduce re-renders, or speed up UI up…

TypeScript best practices for React development. Use when writing typed React components, hooks, events, refs, or generic components. Triggers on tasks involving TypeScript errors, type definitions, props typing, or typ…

Apply when implementing search functionality, faceted navigation, or autocomplete in a headless VTEX storefront. Covers product_search, autocomplete_suggestions, facets, banners, correction_search, and top_searches endp…

Use when Codex is building or iterating on a web game (HTML/JS) and needs a reliable development + testing loop: implement small changes, run a Playwright-based test script with short input bursts and intentional pauses…

Guidelines for semantic HTML markup, document structure, forms, accessibility attributes, and modern HTML best practices

SolidJS renderer for json-render. Use when building @json-render/solid catalogs/registries, wiring Renderer providers, implementing bindings/actions, or troubleshooting Solid-specific reactivity patterns.

Deprecated compatibility entry for Trust Signals construction. This component is now maintained in Bricks; install and use component-builder to build a new Trust Signals.

Teaches modern React data fetching patterns with TanStack Query, SWR, and Suspense. Use when implementing caching, deduplication, optimistic updates, or parallel loading in React applications.

Three.js scene setup, cameras, renderer, Object3D hierarchy, coordinate systems. Use when setting up 3D scenes, creating cameras, configuring renderers, managing object hierarchies, or working with transforms.

Three.js lighting - light types, shadows, environment lighting. Use when adding lights, configuring shadows, setting up IBL, or optimizing lighting performance.

Creates complete AEM components with dialog, HTL template, Sling Model, unit tests, and clientlibs. Supports extending Core Components and project components. When a Figma design URL is provided, fetches the design via…

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Deprecated compatibility entry for Sidebar construction. This component is now maintained in Bricks; install and use component-builder to build a new Sidebar.

Three.js materials - PBR, basic, phong, shader materials, material properties. Use when styling meshes, working with textures, creating custom shaders, or optimizing material performance.

Three.js post-processing - EffectComposer, bloom, DOF, screen effects. Use when adding visual effects, color grading, blur, glow, or creating custom screen-space shaders.

Vue.js and TypeScript best practices for building performant applications with Vite, Pinia, VueUse, and Tailwind CSS.

Enforce the no-useEffect rule when writing or reviewing React code. ACTIVATE when writing React components, refactoring existing useEffect calls, reviewing PRs with useEffect, or when an agent adds useEffect "just in ca…

Deprecated compatibility entry for Showcase Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Showcase Page.

Three.js asset loading - GLTF, textures, images, models, async patterns. Use when loading 3D models, textures, HDR environments, or managing loading progress.

Deprecated compatibility entry for Modal construction. This component is now maintained in Bricks; install and use component-builder to build a new Modal.

Deprecated compatibility entry for Contest Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Contest Page.

Build Next.js 16 apps with App Router, Server Components/Actions, Cache Components ("use cache"), and async route params. Includes proxy.ts and React 19.2. Prevents 25 documented errors. Use when: building Next.js 16 pr…

Three.js geometry creation - built-in shapes, BufferGeometry, custom geometry, instancing. Use when creating 3D shapes, working with vertices, building custom meshes, or optimizing with instanced rendering.

Three.js interaction - raycasting, controls, mouse/touch input, object selection. Use when handling user input, implementing click detection, adding camera controls, or creating interactive 3D experiences.

Store speed audit — lazy loading, image compression, app bloat removal, theme code optimization

Three.js textures - texture types, UV mapping, environment maps, texture settings. Use when working with images, UV coordinates, cubemaps, HDR environments, or texture optimization.

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tas…

SvelteKit structure guidance. Use for routing, layouts, error handling, SSR, or svelte:boundary. Covers file naming, nested layouts, error boundaries, pending UI, and hydration.

React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flexible component libraries, or designing reusable APIs. Triggers on tasks involving compound components,…

Official GSAP skill for GSAP plugins — registration, ScrollToPlugin, ScrollSmoother, Flip, Draggable, Inertia, Observer, SplitText, ScrambleText, SVG and physics plugins, CustomEase, EasePack, CustomWiggle, CustomBounce…

Setup Sentry in React apps. Use when asked to add Sentry to React, install @sentry/react, or configure error monitoring, error boundaries, session replay, or browser tracing for React applications.

Deprecated compatibility entry for Download Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Download Page.

Build never-cheap, high-craft web interfaces — brand surfaces (landing pages, brand sites, launches, portfolios, hero pages with real WebGL/Three.js/Canvas/GSAP engines), product UI (dashboards, admin panels, analytics,…

Deprecated compatibility entry for Feedback Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Feedback Page.

Create and deploy reusable React components for Webflow Designer. Configure existing React projects with webflow.json, build and bundle code, validate output, and deploy to workspace using library share. Use when buildi…

Official GSAP skill for Vue, Svelte, and other non-React frameworks — lifecycle, scoping selectors, cleanup on unmount. Use when the user wants animation in Vue, Nuxt, Svelte, SvelteKit, or asks about GSAP with Vue/Svel…

Build Designer Extensions for custom Webflow Designer functionality. Lists available templates, initializes extension projects from templates (default/react/typescript-alt), bundles extensions for upload, and serves loc…

One page, automated tier — run the web accessibility (a11y) rule engine against a live page and locate every violation it can detect mechanically. Pass a URL, a config target name (e.g. `accesslint:accessibility-scan de…

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Checkout optimization — Checkout Extensibility, custom fields, express payments, trust elements

Svelte runes guidance. Use for reactive state, props, effects, or migration. Covers $state, $derived, $effect, $props, $bindable. Prevents reactivity mistakes.

Install and wire registry blocks and components into HyperFrames compositions. Use when running hyperframes add, installing a block or component, wiring an installed item into index.html, or working with hyperframes.jso…

Optimized Next.js TypeScript best practices with modern UI/UX, focusing on performance, security, and clean architecture

Expert patterns for Shopify app development including Remix/React Router apps, embedded apps with App Bridge, webhook handling, GraphQL Admin API, Polaris components, billing, and app extensions.

Teaches the Higher-Order Component (HOC) pattern for logic reuse. Use when you need to share cross-cutting concerns like authentication, logging, or data fetching across multiple components.