Reference for frontend-design heuristics — component architecture, layout patterns, form/table design, responsive strategy, a11y, UX principles.
Expert guidance for integrating FeatBit JavaScript Client SDK in browser environments. Use when user asks about "JavaScript client SDK", "browser feature flags", "FeatBit JS",…
Expert guidance for integrating FeatBit React Native SDK in mobile React Native and Expo applications.
Extracts design tokens from Figma files using the Figma REST API v1 and transforms them into platform-specific formats via Style Dictionary.
Extracts design tokens from Figma files using the Figma REST API and style-dictionary. Generates CSS custom properties, Tailwind configs, and Swift/Kotlin theme files from Figma…
Extracts design tokens from Figma files and generates production-ready CSS, SCSS, JSON, TypeScript, and W3C DTCG format files using the Figma MCP server
Werkwijze voor het omzetten van een Figma JSON-dump (input.json met node-tree, fills, text styles, auto-layout) naar een standalone HTML-bestand met Tailwind v4 via CDN.
Figma 디자인을 정적 HTML/CSS로 변환합니다. Figma 링크나 node-id가 제공되면 MCP를 통해 디자인 정보를 가져와 정확한 코드를 생성합니다. Use when converting Figma designs to HTML/CSS, or when user mentions Figma links, design…
Storing uploaded and generated files in Remix v3 via `remix/file-storage` — a key/value interface (`set`, `get`, `remove`, `has`) over three backends: `createFsFileStorage`…
Next.js 14+ App Router integration with Firebase including server/client SDK separation and data fetching patterns.
Use when building React components, optimizing renders, managing state with Zustand, implementing error boundaries, using hooks, Server Components, Suspense, concurrent features,…
Scoring EXPLICÁVEL de risco de saída (flight risk) por colaborador a partir de um roster CSV. Não é caixa-preta: cada ponto de risco é atribuído a um fator transparente (comp…
Next.js 16 with React Server Components and Tailwind 4. Server-first by default, streaming with Suspense, server actions over API routes, app router conventions, async page…
Rules-of-Hooks discipline for React. Hooks must be called unconditionally at the top of a component or another hook - never inside an if/else, loop, ternary, short-circuit (&& /…
End-to-end form handling with react-hook-form, Zod schemas, validation patterns, error messaging, field arrays, and multi-step wizards.
i18n cho React apps — react-intl, FormatJS. Dùng khi implement đa ngôn ngữ, format số/ngày/tiền tệ chuẩn theo locale.
Forms knowledge base - react-hook-form, Zod validation, Server Actions, file upload, multi-step forms.
Senior Front-End Developer expertise in ReactJS, NextJS, JavaScript, TypeScript, HTML, CSS, and modern UI/UX frameworks
React, components, state management, and modern frontend concepts. Activated when Claude works with .jsx/.tsx files or React-related code. Most vibecoded apps use React.
Frontend-specific technical decision criteria, anti-patterns, debugging techniques, and quality check workflow.
Use when creating API services for backend communication with proper patterns for caching, error handling, and type safety. — from engineering/frontend
Use when creating or modifying Angular components in Frontend (Angular 19) with proper base class inheritance, state management, and platform patterns.
Use when creating or modifying Angular components in WebV2 (Angular 19) with proper base class inheritance, state management, and platform patterns.
Use when creating reactive forms with validation, async validators, dependent validation, and FormArrays using platform patterns. — from engineering/frontend
Use when editing Angular TypeScript files (.ts, .tsx) in src/Frontend/ or libs/. Provides component hierarchy, state management with PlatformVmStore, API services, reactive forms,…
Use when implementing state management with PlatformVmStore for complex components requiring reactive state, effects, and selectors. — from engineering/frontend
Guide for building robust API integration layers in React/TypeScript applications. Use when implementing HTTP clients (axios/fetch), request/response interceptors, authentication…
Frontend stack decisions, Cloudflare deployment patterns, component systems, and internal tools architecture.
Frontend package architecture for ChainGraph visual flow editor. Use when working on apps/chaingraph-frontend, React components, Effector stores, XYFlow integration, UI…
تحليل شامل للتكامل بين الواجهة (TypeScript/React/Next.js) والخلفية (Node.js/Express .mjs) من حيث العقود، توافق الأنواع، runtime guards، ومعالجة الأخطاء.
Trigger when the user requests a review of frontend files (e.g., `.tsx`, `.ts`, `.js`). Support both pending-change reviews and focused file reviews while applying the checklist…
Conducts comprehensive frontend code reviews including React/Vue/Angular component analysis, TypeScript/JavaScript quality assessment, CSS/styling review, performance…
Build reusable, composable, and maintainable React/Vue/Angular components following established design patterns like compound components, render props, custom hooks, and HOCs.
Build React components, pages, forms, and state management with TypeScript and TanStack Query. Use for frontend development, component creation, routing, and data fetching.
Especialista em Frontend Mobile-First, UX Black & Orange, Sistema de Cache Offline (IndexedDB), Navegação SPA v3.0 e Performance.
Quality gates for frontend code. ALWAYS use after writing React/Next.js code and before delivery. Covers: ESLint linting, TypeScript type-checking, Prettier formatting, browser…
Systematic 10-phase debugging procedure for SvelteKit 2 + Svelte 5 frontend issues. Use when components fail to render, routing breaks, runes throw errors, or Encore client calls…
Fix generic Svelte component designs by applying aesthetic upgrades across the 5 design dimensions (typography, color, motion, spatial composition, backgrounds)
Enterprise React architecture combining DDD and FSD patterns. Use when (1) designing or structuring React applications, (2) implementing Index/Types/Styles component pattern, (3)…
Create distinctive, production-grade React/TypeScript frontends with exceptional design quality
Create distinctive, production-grade Svelte/TypeScript frontends with exceptional design quality
Create distinctive, production-grade Vue 3/TypeScript frontends with exceptional design quality
Frontend development guidelines for Next.js + React 19 + shadcn/ui applications. Modern patterns including App Router, Server Components, Client Components, Server Action — from…
Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features dir — from…
Frontend development guidelines for Next.js + React 19 + shadcn/ui applications. Modern patterns including App Router, Server Components, Client Components, Server Action — from…
Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features dir — from…
Build React components, implement responsive layouts, and handle client-side state management. Masters React 19, Next.js 15, and modern frontend architecture.
Comprehensive frontend development specialist for building modern web applications with React, Vue, Angular, and modern tooling including state management, testing, and…
Pro frontend engineering discipline. Enforces build-test-verify workflow for every web project. Never declare done until the site is built, tested, responsive, accessible, and…
Domain specialist for frontend architecture, state management, accessibility, and performance. Scope: component architecture, state management (Pinia, Vuex, Redux), accessibility…
Auto-invoke when reviewing React, Vue, or frontend component code. Enforces component architecture, state management patterns, and UI best practices.
Frontend UI/UX work with Gemini CLI in --yolo mode. Use when (1) modifying visual/styling elements in frontend files (.tsx, .jsx, .vue, .svelte, .css), (2) implementing UI…
You are a React component architecture expert specializing in scaffolding production-ready, accessible, and performant components.
Use when working with Next.js App Router tasks - creating pages in /app/, setting up dynamic routes ([id]/page.tsx), implementing nested layouts/templates (layout.tsx), optimizing…
Especialista en React 18, TypeScript, Tailwind CSS y conexión con API multi-tenant. — from engineering/frontend
Especialista en React 18, TypeScript, Tailwind CSS y conexión con API multi-tenant. — from engineering/frontend
Coordinates frontend development tasks (React, TypeScript, UI/UX). Use when implementing user interfaces, components, state management, or visual features.
Visual QA gate for frontend code. ALWAYS use before delivering any UI changes - navigate, screenshot, verify console is error-free.
Modern React stack: React 19, TypeScript, Tailwind CSS, Vite, TanStack Query. Use when: building React apps, components, state management, or UI.
Creates safe refactor plans for messy UI code including component splitting strategies, state simplification, performance optimizations, and accessibility improvements.