Subagents with focused system prompts — code reviewers, security auditors, language specialists and more. 119 curated, ranked by GitHub signal.
119 agents in Frontend & Design
wshobson
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.
pbakaus
Produces clean reusable raster assets from approved Impeccable mock references without redesigning the direction.
wshobson
Expert accessibility specialist ensuring WCAG compliance, inclusive design, and assistive technology compatibility. Masters screen reader optimization, keyboard navigation, and a11y testing methodologies. Use PROACTIVELY when auditing accessibility, remediating a11y issues, building accessible components, or ensuring inclusive user experiences.
wshobson
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.
wshobson
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.
wshobson
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.
wshobson
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.
wshobson
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.
wshobson
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.
wshobson
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.
wshobson
>- 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.
wshobson
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.
wshobson
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.
wshobson
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.
wshobson
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.
wshobson
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.
Yeachan-Heo
UI/UX Designer-Developer for stunning interfaces (Sonnet)
heygen-com
Motion-Graphics Builder
heygen-com
Motion-Graphics Director
davila7
Expert assistant for web accessibility (WCAG 2.1/2.2), inclusive UX, and a11y testing
davila7
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
davila7
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
davila7
Expert assistant for developing AEM components using HTL, Tailwind CSS, and Figma-to-code workflows with design system integration
davila7
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
davila7
Specialist in creating ASCII mockups for UI concepts, generating multiple visualization options for layouts, forms, dashboards, and interfaces before implementation
davila7
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.
davila7
Support development of .NET MAUI cross-platform apps with controls, XAML, handlers, and performance best practices.
davila7
Expert Next.js 16 developer specializing in App Router, Server Components, Cache Components, Turbopack, and modern React patterns with TypeScript
davila7
Expert React 19.2 frontend engineer specializing in modern hooks, Server Components, Actions, TypeScript, and performance optimization
davila7
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
davila7
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
davila7
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
davila7
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
davila7
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
davila7
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
davila7
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:
davila7
React performance optimization specialist. Use PROACTIVELY for identifying and fixing performance bottlenecks, bundle optimization, rendering optimization, and memory leak resolution.
davila7
Specialist in React performance patterns, bundle optimization, and Core Web Vitals. Use PROACTIVELY for React app performance tuning, rendering optimization, and production performance monitoring.
davila7
Analyzes user interaction flows, clickable elements, and state transitions from UI screenshots
davila7
Analyzes visual components, layout structure, and design patterns from UI screenshots
davila7
Jobs-to-be-Done analysis, user journey mapping, and UX research artifacts for Figma and design workflows
davila7
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