Build and present HTML/CSS design mockups with a local preview server. Use when prototyping website designs, iterating on visual concepts, or presenting design options.

Reviews finished and in-progress digital products to assess adherence to design specifications and discover potential issues with those specifications. Validates implementation against design intent, identifies visual and interaction discrepancies, and provides actionable feedback for design and engineering teams.

Generate status reports for design documentation. Use when creating documentation summaries, tracking progress, or preparing documentation reviews.

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Review and analyze design docs for health, quality, and improvement opportunities. Use when auditing design documentation, checking doc health, or identifying areas for improvement.

design-reviewer

Verify code implementation aligns with design specifications. Use after implementing features, during code reviews, or when refactoring to ensure architectural compliance. Compares design docs with actual code.

Extract comprehensive JSON design specifications from visual sources including Figma exports, UI mockups, screenshots, or live website captures. Produces W3C DTCG-compliant output with component trees, suitable for code generation, design documentation, and developer handoff.

Create comprehensive UI/UX specifications for implementation.

Sync design docs with codebase state. Use when verifying documentation accuracy, after code changes, or when last-synced is stale.

Use when analyzing UI screenshots or designs to extract and document design system elements. Analyzes images to identify colors, typography, spacing, components, and patterns, then generates a structured design system with design tokens and CSS snippets. Ideal for reverse-engineering designs, creating style guides, or documenting existing UIs.

Complete Design System Reverse Engineering (DSRE) + Functional Cloning CLI - Extract visual design (tokens, assets) AND functional behavior (workflows, state machines, business rules) from any web application

Managing design tokens and system context for LLM-driven UI development. Covers loading, persisting, and optimizing design decisions within context windows.

Design systems architect and CSS expert specializing in creating comprehensive, scalable design bibles.

Documentation et accessibilité concernant le Design System Français (DSFR), un ensemble de composants et de bonnes pratiques pour créer des interfaces utilisateur conformes aux standards du gouvernement français. Use when user wants to implement DSFR components, needs DSFR documentation, asks about French government design system, requires RGAA accessibility guidelines, works with French government websites, or needs HTML/CSS examples for accessible components.

Detect and track design token drift between Figma design systems and code implementations - report-only skill that identifies inconsistencies and creates wrangler issues for resolution

Plan design systems - component libraries, design tokens, documentation strategies, versioning, governance, and adoption frameworks.

StepLeague design system, theme configuration, CSS variables, badge styling, and UI patterns. Use when working with colors, themes, styling, badges, buttons, cards, or any visual UI changes. Keywords: CSS, theme, colors, dark mode, light mode, variables, styling, UI, design.

Build or evolve a design system by producing a Design System Operating Pack: charter, token model (incl. depth/elevation), component inventory + roadmap, blockframe-to-component mapping, documentation plan, and governance/adoption plan. Use for design systems, component libraries, design tokens, UI kits, and pattern libraries.

design-theme

Convert design specifications into pixel-perfect, production-ready React components.

description: Full AI-AGENT-PLAYBOOK orchestration - transforms a design specification into project artifacts and begins implementation

Extracts design tokens from images and generates CSS custom properties, atomic utility classes (Tailwind-style), and platform-specific formats following W3C standards and modern CSS best practices.

Keep design tokens synchronized between Figma and your codebase automatically. Detect drift, resolve conflicts, and maintain a single source of truth for your design system.

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.

Validate design doc structure and frontmatter. Use when checking design docs for compliance, ensuring proper formatting, or verifying metadata before commits.

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

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

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

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Use when building, improving, or reviewing command-line interfaces for better user experience - before implementing commands/output/errors, when users report confusion or frustration, or when CLI feels hard to use - provides UX principles, visual design techniques, and practical patterns for creating discoverable, delightful CLIs

When designing distributed systems for scalability, reliability, and consistency. Covers CAP/PACELC theorems, consistency models (strong, eventual, causal), replication patterns (leader-follower, multi-leader, leaderless), partitioning strategies (hash, range, geographic), transaction patterns (saga, event sourcing, CQRS), resilience patterns (circuit breaker, bulkhead), service discovery, and caching strategies for building fault-tolerant distributed architectures.

Specialized skill for designing AWS DynamoDB single-table schemas with optimized access patterns. Use when modeling data, designing table structure, or optimizing DynamoDB queries for production applications.

Use when designing, implementing, or modifying UI for GNOME apps; before writing UI code; when reviewing existing UI for HIG compliance; when working with GTK 4/libadwaita or styling Qt/PySide6 for GNOME

Design production-ready SDKs with retry logic, error handling, pagination, and multi-language support. Use when building client libraries for APIs or creating developer-facing SDK interfaces.

Guides test strategy, TDD/BDD approaches, test coverage planning, and testing best practices. Use when designing test suites, improving coverage, or choosing testing approaches.

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.

Desktop application development with Electron and Tauri

Generate end-to-end tests for the complete Desktop Ethereal application, including UI interactions, system integration, and user workflows. Triggers on E2E testing, Playwright, system testing, or complete application testing requests.

Generates detailed implementation plans from a SINGLE plan-based-page output file. Supports parallel execution - run multiple sessions simultaneously for different pages. Input is ONE file (either _shared-components.md or a specific page like landingpage-page.md). Use when you want to generate implementation plans in parallel across multiple sessions.

Identify code quality issues and anti-patterns. Use when reviewing code for maintainability problems.

Comprehensive detection of competing and conflicting systems in Vue 3 + TypeScript + Pinia projects. Identifies duplicate implementations, architectural conflicts, and competing logic patterns before they cause technical debt.

Identify foreign key relationships between tables using heuristics, value overlap analysis, and referential integrity checks

Detect hardcoded secrets, API keys, passwords, and credentials in source code. Security audit for leaked secrets. Works across all languages. Use when user asks about security issues or secret detection.

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Detects SpecWeave context and provides workflow documentation for available commands. Use when learning SpecWeave commands, understanding available slash commands (/sw:increment, /sw:do, /sw:progress, /sw:done), or getting workflow guidance. Explains command syntax and recommended workflow patterns.

Production-grade API design patterns for REST, GraphQL, gRPC, and tRPC. Covers API architecture, OpenAPI/Swagger specs, versioning/deprecation, authentication/authorization, rate limiting, pagination, error models, contract testing, and developer documentation.