Development

Designs Zod schemas following Zod-first development. Creates validation schemas, branded types, discriminated unions, and transforms. Infers TypeScript types from schemas. Triggers on: Zod schema, z.object, z.infer, validation, branded types, discriminated union, safeParse, refinement.

Designs stand-alone control styles using WPF CustomControl and ResourceDictionary. Use when creating reusable custom controls or organizing control themes in Generic.xaml.

Generates unique, high-fidelity, and non-generic UI designs by synthesizing modern component libraries with specific design movements. Use when the user requests UI design, frontend architecture, or aesthetic overhauls.

Create distinctive, production-grade terminal user interfaces with high design quality. Use this skill when the user asks to build CLI tools, TUI applications, or terminal-based interfaces. Generates creative, polished code that avoids generic terminal aesthetics.

Design scalable, reliable software systems. Use when planning new systems, major features, or architecture changes. Covers C4 diagrams, trade-off analysis, and system decomposition.

Create professional, attractive, and visually striking user interfaces in Next.js. Use when building beautiful websites, landing pages, dashboards, or any UI that needs to stand out. Covers Tailwind CSS utilities, typography, animations, visual effects, responsive layouts, and modern design patterns. Includes gradient text, glass morphism, hover effects, and comprehensive spacing/layout systems. NOT when doing basic HTML/CSS without a framework.

Flutter/Dart Coding Standards. Use when reviewing code style or formatting.

Guides the design and analysis of hexagonal architecture (Ports & Adapters) for backend systems. Use when structuring modular applications with clean separation between business logic and infrastructure.

Build distinctive, production-grade frontend interfaces with memorable aesthetics. Use when creating web components, pages, or applications. Prioritizes creative, context-specific design over generic patterns.

ブランドアイデンティティとビジュアル設計システムを構築します。カラーシステム、タイポグラフィ、デザイントークン、ガイドラインを提供します。ブランド統一、デザインシステムの構築が必要な場合に使用してください。

Design in pseudocode first, iterate approaches, then translate to code

Defines the basic solution structure for AvaloniaUI Desktop Applications using CustomControl. Use when creating new AvaloniaUI projects or designing stand-alone control styles with ControlTheme.

Guides REST and GraphQL API design, endpoint patterns, request/response schemas, versioning, and API best practices. Use when building APIs, designing endpoints, or reviewing API contracts.

Auto-activates when user mentions UI design, design systems, or component design. Expert in design principles, accessibility, and component architecture.

UI/UX design workflow guidelines. Activate when working with design systems, accessibility (WCAG), user interface patterns, or design tokens.

Expert UI designer for building responsive, accessible web interfaces with Tailwind CSS v4 and Tailwind Plus components. Use when building websites, landing pages, web applications, UI components, forms, navigation, layouts, e-commerce pages, or marketing pages. Has access to 657 Tailwind Plus component templates including application shells, forms, navigation, data display, overlays, e-commerce checkout flows, product pages, marketing heroes, pricing sections, and more. Specializes in respon...

Cross-check design artifacts for consistency and completeness. Use before implementation.

[デザイン] 2. SSOT → 静的UI骨格（見た目のみ）を生成

PROACTIVELY track and document project design decisions without being asked. Activate automatically when detecting architecture discussions, implementation decisions, pattern choices, library selections, or any technical decisions. Also use when user explicitly says "記録して", "設計どうなってる", "record this". Do NOT wait for user to ask - record important decisions immediately.

Help choose the right design tool based on your current task. Use when unsure whether to use frontend-design, ui-ux-designer, visual-validator, or ui-code-auditor.

Pulse Radar design system - semantic colors, spacing grid, component patterns.

[Design System] Validate that code and styles use official design tokens instead of hard-coded values. Use when (1) reviewing CSS/SCSS/Tailwind/styled-components for hard-coded colors/spacing, (2) checking SwiftUI/UIKit for raw color/font values, (3) auditing Unity styles for magic numbers, (4) enforcing design system compliance, (5) user asks to 'check design tokens', 'validate tokens', 'find hard-coded values', or 'audit design system usage'.

Architects token systems with primitive, semantic, and component layers. Use when structuring tokens from scratch, adding multi-theme support, setting up token aliasing, or organizing token hierarchies.

Ensures CSS and components only use approved design tokens. Use when the user asks about design system enforcement, hardcoded colors, spacing values, or wants to validate token usage across files.