Frontend & Design for Claude Code

Build React components, implement responsive layouts, and handle client-side state management. Masters React 19, Next.js 15, and modern frontend architecture. Optimizes performance and ensures accessibility. Use PROACTIVELY when creating UI components or fixing frontend issues.

Expert design system architect specializing in design tokens, component libraries, theming infrastructure, and scalable design operations. Masters token architecture, multi-brand systems, and design-development collaboration. Use PROACTIVELY when building design systems, creating token architectures, implementing theming, or establishing component libraries.

Master Flutter development with Dart 3, advanced widgets, and multi-platform deployment. Handles state management, animations, testing, and performance optimization for mobile, web, desktop, and embedded platforms. Use PROACTIVELY for Flutter architecture, UI implementation, or cross-platform features.

Build React components, implement responsive layouts, and handle client-side state management. Masters React 19, Next.js 15, and modern frontend architecture. Optimizes performance and ensures accessibility. Use PROACTIVELY when creating UI components or fixing frontend issues.

Develop React Native, Flutter, or native mobile apps with modern architecture patterns. Masters cross-platform development, native integrations, offline sync, and app store optimization. Use PROACTIVELY for mobile features, cross-platform code, or app optimization.

Build React components, implement responsive layouts, and handle client-side state management. Masters React 19, Next.js 15, and modern frontend architecture. Optimizes performance and ensures accessibility. Use PROACTIVELY when creating UI components or fixing frontend issues.

Expert in secure frontend coding practices specializing in XSS prevention, output sanitization, and client-side security patterns. Use PROACTIVELY for frontend security implementations or client-side security code reviews.

>- Image generation executor agent. Delegates here for ALL generate_image calls to keep the main conversation context clean. Spawn one per image; for parallel generation, spawn multiple in a single response.

Develop native iOS applications with Swift/SwiftUI. Masters iOS 18, SwiftUI, UIKit integration, Core Data, networking, and App Store optimization. Use PROACTIVELY for iOS-specific features, App Store optimization, or native iOS development.

Playwright testing agent. Only runs for FRONTEND tasks. Verifies acceptance criteria in a real browser using the page object pattern. Passes on success, routes back to developer on failure.

Expert UI designer specializing in component creation, layout systems, and visual design implementation. Masters modern design patterns, responsive layouts, and design-to-code workflows. Use PROACTIVELY when building UI components, designing layouts, creating mockups, or implementing visual designs.

Create interface designs, wireframes, and design systems. Masters user research, accessibility standards, and modern design tools. Specializes in design tokens, component libraries, and inclusive design. Use PROACTIVELY for design systems, user flows, or interface optimization.

Rigorous visual validation expert specializing in UI testing, design system compliance, and accessibility verification. Masters screenshot analysis, visual regression testing, and component validation. Use PROACTIVELY to verify UI modifications have achieved their intended goals through comprehensive visual analysis.

UI/UX Designer-Developer for stunning interfaces (Sonnet)

Motion-Graphics Builder

Motion-Graphics Director

Expert assistant for web accessibility (WCAG 2.1/2.2), inclusive UX, and a11y testing

Use this agent when conducting comprehensive accessibility audits, WCAG 2.2 compliance assessments, or evaluating UI components and full codebases for barriers that affect users with disabilities. Invoke when you need structured findings mapped to specific WCAG criteria, hybrid automated-plus-manual coverage, and actionable remediation guidance aligned with ADA, Section 508, and the European Accessibility Act (EAA, effective June 2025).\n\n<example>\nContext: A product team is shipping a redesig

Use this agent when you need comprehensive accessibility testing, WCAG compliance verification, or assessment of assistive technology support. Specifically:\\n\\n<example>\\nContext: A web application is preparing for launch and needs to ensure compliance with accessibility standards before release.\\nuser: \"Can you test our web app for accessibility issues? We need to know if it works with screen readers and keyboard navigation, and if we meet WCAG standards.\"\\nassistant: \"I'll conduct a co

Expert assistant for developing AEM components using HTL, Tailwind CSS, and Figma-to-code workflows with design system integration

Use when architecting enterprise Angular 15+ applications with complex state management, optimizing RxJS patterns, designing micro-frontend systems, or solving performance and scalability challenges in large codebases. Specifically:\n\n<example>\nContext: Large-scale Angular application with 200+ components experiencing performance degradation, memory leaks in RxJS observables, and difficult state management with Redux\nuser: \"Our Angular dashboard has grown to 200+ components, pages load slowl

Specialist in creating ASCII mockups for UI concepts, generating multiple visualization options for layouts, forms, dashboards, and interfaces before implementation

CLI interface design specialist. Use PROACTIVELY to create terminal-inspired user interfaces with modern web technologies. Expert in CLI aesthetics, terminal themes, and command-line UX patterns.

Support development of .NET MAUI cross-platform apps with controls, XAML, handlers, and performance best practices.

Expert Next.js 16 developer specializing in App Router, Server Components, Cache Components, Turbopack, and modern React patterns with TypeScript

Expert React 19.2 frontend engineer specializing in modern hooks, Server Components, Actions, TypeScript, and performance optimization

Use when building cross-platform mobile applications with Flutter 3+ that require custom UI implementation, complex state management, native platform integrations, or performance optimization across iOS/Android/Web. Specifically:\\n\\n<example>\\nContext: Building a feature-rich social media app that needs custom animations, platform-specific native features (biometric auth, camera), and 60fps performance on both iOS and Android\\nuser: \"We need a high-performance Flutter app with custom Materi

Use when building complete frontend applications across React, Vue, and Angular frameworks requiring multi-framework expertise and full-stack integration. Specifically:\n\n<example>\nContext: Starting a new React frontend for an e-commerce platform with complex state management and real-time updates\nuser: \"Build a React frontend for product catalog with filtering, cart management, and checkout flow. Need TypeScript, responsive design, and 85% test coverage.\"\nassistant: \"I'll create a scalab

Use this agent when you need to build complete features spanning database, API, and frontend layers together as a cohesive unit. Specifically:\\n\\n<example>\\nContext: User wants to build a new user authentication system for a web application that requires database schema, API endpoints, and frontend forms.\\nuser: \"Build a complete user registration feature with PostgreSQL schema, Node.js API endpoints, and React forms including validation and error handling.\"\\nassistant: \"I'll implement t

Use when building Kotlin applications requiring advanced coroutine patterns, multiplatform code sharing, or Android/server-side development with functional programming principles. Specifically:\\n\\n<example>\\nContext: Building a cross-platform mobile application sharing business logic between Android and iOS using Kotlin Multiplatform Mobile (KMM)\\nuser: \"We're creating a social media app targeting both Android and iOS. How do we structure a KMM project to maximize shared code while maintain

Use this agent when developing iOS and Android mobile applications with focus on native or cross-platform implementation, performance optimization, and platform-specific user experience. This agent covers both platforms (native iOS + native Android, or cross-platform frameworks spanning both); for iOS-only work use ios-developer, and for React Native/Flutter-first cross-platform projects use mobile-developer. Specifically:\\n\\n<example>\\nContext: Project requires building a high-performance na

Use this agent when building production Next.js 14+ applications that require full-stack development with App Router, server components, and advanced performance optimization. Invoke when you need to architect or implement complete Next.js applications, optimize Core Web Vitals, implement server actions and mutations, or deploy SEO-optimized applications. Specifically:\\n\\n<example>\\nContext: A startup is building an e-commerce platform and needs a complete Next.js 14 implementation with serve

Use when designing or building desktop graphical interfaces (WinForms, WPF, Metro-style dashboards) or terminal user interfaces (TUIs) for PowerShell automation tools that need clean separation between UI and business logic. Specifically:\\n\\n<example>\\nContext: IT team has a mature Active Directory automation module but users are currently running commands from plain PowerShell. They want a GUI frontend so helpdesk staff can manage common AD operations safely without script knowledge.\\nuser:

React performance optimization specialist. Use PROACTIVELY for identifying and fixing performance bottlenecks, bundle optimization, rendering optimization, and memory leak resolution.

Specialist in React performance patterns, bundle optimization, and Core Web Vitals. Use PROACTIVELY for React app performance tuning, rendering optimization, and production performance monitoring.

Analyzes user interaction flows, clickable elements, and state transitions from UI screenshots

Analyzes visual components, layout structure, and design patterns from UI screenshots

Jobs-to-be-Done analysis, user journey mapping, and UX research artifacts for Figma and design workflows

Use this agent when building native iOS, macOS, or server-side Swift applications requiring advanced concurrency patterns, protocol-oriented architecture, and Swift-specific optimizations. Invoke for SwiftUI modernization, async/await implementation, actor-based state management, or memory safety concerns. Specifically:\\n\\n<example>\\nContext: An iOS team is migrating a UIKit app with outdated concurrency patterns to modern SwiftUI with proper async/await and actor-based state management.\\nus