Frontend

shadcn/ui AI chat components for conversational interfaces. Use for streaming chat, tool/function displays, reasoning visualization, or encountering Next.js App Router setup, Tailwind v4 integration, AI SDK v5 migration errors.

Implements multi-language support using i18next, gettext, or Intl API with translation workflows and RTL support. Use when building multilingual applications, handling date/currency formatting, or supporting right-to-left languages.

Guide for writing and improving Claude Code skills. Use when creating new skills, debugging why skills aren't activating, or improving skill descriptions and structure.

Use this skill when working with Playgama Bridge SDK for HTML5 games. Activates for game development involving cross-platform publishing, advertisements, in-app purchases, leaderboards, or social features using Playgama Bridge.

Neon + Vercel serverless Postgres for edge and serverless environments. Use for Cloudflare Workers, Vercel Edge, Next.js apps with HTTP/WebSocket connections, database branching (git-like), Drizzle/Prisma ORM integration, migrations, PITR backups, or encountering connection pool exhausted errors, TCP connection issues, SSL config problems.

better-auth authentication for Cloudflare D1 (primary), Next.js, Nuxt, Express, and 15+ frameworks via Drizzle ORM/Kysely. Covers 45+ OAuth providers, 2FA, passkeys, organizations, RBAC. Use for self-hosted auth or encountering D1 adapter, schema, session, CORS, OAuth errors.

Automated security scanning for dependencies, code, containers with Trivy, Snyk, npm audit. Use for CI/CD security gates, pre-deployment audits, compliance requirements, or encountering CVE detection, outdated packages, license compliance, SBOM generation errors.

Sveltia CMS Git-backed content management (Decap/Netlify CMS successor). 5x smaller bundle (300 KB), GraphQL performance, solves 260+ issues. Use for static sites (Hugo, Jekyll, 11ty, Gatsby, Astro, Next.js), blogs, docs, i18n, or encountering OAuth errors, TOML/YAML issues, CORS problems, content listing errors.

Guide for analyzing and improving application performance including identifying bottlenecks, implementing caching, and optimizing queries. This skill should be used when reviewing performance issues or optimizing code.

Create distinctive, production-grade frontend interfaces with high design quality. Use when building or refining web components, pages, or apps (HTML/CSS/JS/React) with bold aesthetics, purposeful layouts, motion, and accessibility. Avoid generic AI-looking output.

Nuxt 4 core framework fundamentals: project setup, configuration, routing,SEO, error handling, and directory structure.Use when: creating new Nuxt 4 projects, configuring nuxt.config.ts,setting up routing and middleware, implementing SEO with useHead/useSeoMeta,handling errors with error.vue and NuxtErrorBoundary, or understandingNuxt 4 directory structure.Keywords: Nuxt 4, nuxt.config.ts, file-based routing, pages directory,definePageMeta, useHead, useSeoMeta, error.vue, NuxtErrorBoundary,middleware, navigateTo, NuxtLink, app directory, runtime config

Pinia v3 Vue state management with defineStore, getters, actions. Use for Vue 3 stores, Nuxt SSR, Vuex migration, or encountering store composition, hydration, testing errors.

Production-tested setup for Tailwind CSS v4 with shadcn/ui, Vite, and React.Use when: initializing React projects with Tailwind v4, setting up shadcn/ui,implementing dark mode, debugging CSS variable issues, fixing theme switching,migrating from Tailwind v3, or encountering color/theming problems.Covers: @theme inline pattern, CSS variable architecture, dark mode withThemeProvider, component composition, vite.config setup, common v4 gotchas,and production-tested patterns.Keywords: Tailwind v4, shadcn/ui, @tailwindcss/vite, @theme inline, dark mode,CSS variables, hsl() wrapper, components.json, React theming, theme switching,colors not working, variables broken, theme not applying, @plugin directive,typography plugin, forms plugin, prose class, @tailwindcss/typography,@tailwindcss/forms

Otimização de Performance - React Native. Use when optimizing performance or profiling code.

Reviews implemented code for security, quality, performance, and test coverage using specialized review agents. Use when task file is in review/ directory and requires comprehensive code review before approval. Launches test-coverage-analyzer, error-handling-reviewer, and security-reviewer in parallel.

Performance Optimization - React Native. Use when optimizing performance or profiling code.

Cypress end-to-end testing guidance for opal-frontend, including Cucumber feature layout, tags, step definitions, Actions or Flows, selectors, and accessibility specs. Use when adding or updating E2E scenarios.

Herramientas React - Configuración y Optimización. Use when working with tooling.

Scaffold new Next.js API endpoints with authentication, rate limiting, and tests. Use when creating new API routes, adding endpoints, or building API features.

[CLAUDE CODE ONLY] Leverage Codex CLI for AI peer review, second opinions on architecture and design decisions, cross-validation of implementations, security analysis, and alternative approach generation. Requires terminal access to execute Codex CLI commands. Use when making high-stakes decisions, reviewing complex architecture, or when explicitly requested for a second AI perspective. Must be explicitly invoked using skill syntax.