Web & Frontend

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UI layout and grouping should follow Gestalt principles so users immediately understand which controls, commands, and elements belong together. Use when designing or reviewing component layout, navigation, toolbars, forms, dashboards, or any UI where visual grouping communicates relationships.

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Project context from ChromaDB knowledge graph. Triggers on "how does this project work", "architecture", "where is X", "why was Y chosen", "project structure", "component relationships", "design decisions".

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Use this skill to query Konflux objects from the Kubernetes cluster. Konflux objects are application, component, pipelinerun, taskrun, snapshot and release. The skill can be used to query logs from failed or removed pipelines and pods.

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A closed-loop system for evolving UI designs using AI personas as users.

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Converts Stitch designs into modular Vite + React components — TypeScript, theme-mapped Tailwind, dark mode via CSS variables, and clean component architecture. Use this for Vite/React apps without App Router. For Next.js 15 App Router, use stitch-nextjs-components instead.

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Reviews UI/frontend code and tells you exactly why it "looks AI-generated" — then how to fix it. Use it when a React/Tailwind/HTML interface looks off, generic, or unfinished, when you want a design score before shipping, or when asked to make UI look more professional, polished, or "designed, not generated." Self-contained; based on the open-source StyleSeed design engine.

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SwiftUI framework guardrails, patterns, and best practices for AI-assisted development. Use when working with SwiftUI projects, or when the user mentions SwiftUI. Provides declarative UI patterns, state management, Combine, navigation, and accessibility guidelines.

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Expert guidance for leveraging Tailwind CSS V4's new Oxide engine, CSS-first configuration, and modern styling paradigms. This skill transforms Claude into a Tailwind V4 architecture specialist, capable of designing component systems, optimizing performance, and executing complex styling challenges with precision.

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Complete 3-component style validation (Checkstyle + PMD + Manual rules)

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Generate an interactive, self-contained HTML course on any Claude documentation topic. Use this skill when the user wants to create an interactive course, tutorial, or deep-dive walkthrough about a Claude feature, API concept, SDK pattern, or prompt engineering technique. Triggers on: "create a course about", "interactive tutorial for", "teach me about X interactively", "make a course on", "I'd like a course", "/docs --course", "/docs course", or when the user accepts the post-docs course prompt. Produces a stunning single-page HTML file with scroll-based navigation, animated visualizations, quizzes, and code translations drawn from official Claude documentation.

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Build full-stack Databricks applications using APX framework (FastAPI + React).

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Scaffold complete full-stack features with shared types between backend and frontend. Use when asked to scaffold a feature, create a new module, build a full-stack feature end-to-end, or create both backend and frontend for a feature.

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Provides patterns for structuring the API layer in React applications. This skill should be used when setting up API clients, defining API request declarations, or integrating with TanStack Query for data fetching.

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Debug Server-Sent Events (SSE) notification issues when real-time updates aren't working. Use this when mutations don't trigger frontend updates.

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Use when implementing features across frontend and backend, building APIs with UI, or creating end-to-end data flows. Invoke for feature implementation, API development, UI building, cross-stack work.

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Use this skill for internationalization (i18n) in React applications. Covers ALL user-facing strings, date/time handling, locale-aware formatting (useFormatting hook), ICU MessageFormat, Trans component, and RTL/LTR support.

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Guide for making .NET MAUI apps accessible — screen reader support via SemanticProperties, heading levels, AutomationProperties visibility control, programmatic focus and announcements, and platform-specific gotchas for TalkBack, VoiceOver, and Narrator. USE FOR: "add accessibility", "screen reader support", "SemanticProperties", "AutomationProperties", "TalkBack", "VoiceOver", "Narrator", "accessible MAUI", "heading levels", "semantic description", "announce to screen reader", "accessibility audit". DO NOT USE FOR: general UI layout (use maui-collectionview or maui-shell-navigation), animations (use maui-animations), or gestures (use maui-gestures).

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Next.js performance optimizations including next/image, next/font, dynamic imports, caching strategies, and bundle optimization. Use when optimizing Next.js apps for speed or Core Web Vitals.

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React Three Fiber (R3F) and Poimandres ecosystem best practices. Use when writing, reviewing, or optimizing R3F code. Triggers on tasks involving @react-three/fiber, @react-three/drei, zustand, @react-three/postprocessing, @react-three/rapier, or leva.

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Refactor React components for better maintainability, performance, or patterns. Covers hook extraction, component splitting, type safety, memoization, and composition.

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Frontend-backend time data transmission standard, using millisecond timestamps for time points (timezone-independent); Duration/Period use ISO 8601 string format.

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This skill provides comprehensive documentation for all 23 Vercel AI Elements components organized by category (Message, Conversation, Input/Interaction, Content Display, AI Processing, Advanced Features). Use when users ask about building AI chatbots, need component documentation, want API references for Vercel AI Elements, or need integration examples with the AI SDK.

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Scaffold a new Vite project using pnpm + React + TypeScript (react-ts), then apply recommended baseline setup (scripts, structure, editor config, git init).

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Guide for Workleap's telemetry solution (@workleap/telemetry) that unifies Honeycomb, LogRocket, and Mixpanel with consistent correlation IDs. Use this skill when: (1) Initializing wl-telemetry in a frontend application (2) Working with correlation values (Telemetry Id, Device Id) and their lifecycle (3) Using Honeycomb for distributed tracing and performance analysis (4) Creating and enriching Honeycomb traces/spans using OpenTelemetry (5) Using LogRocket for session replay and frontend debugging (6) Using Mixpanel for product analytics and event tracking (7) Understanding Honeycomb, LogRocket, and Mixpanel roles in wl-telemetry (8) Correlating data across Honeycomb, LogRocket, and Mixpanel (9) Configuring loggers for wl-telemetry diagnostics (10) Using Noop telemetry clients to disable/mock telemetry (11) Reviewing PRs that add or modify telemetry instrumentation (12) Troubleshooting missing or inconsistent telemetry across tools

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Use when tackling complex reasoning tasks requiring step-by-step logic, multi-step arithmetic, commonsense reasoning, symbolic manipulation, or problems where simple prompting fails - provides comprehensive guide to Chain-of-Thought and related prompting techniques (Zero-shot CoT, Self-Consistency, Tree of Thoughts, Least-to-Most, ReAct, PAL, Reflexion) with templates, decision matrices, and research-backed patterns

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Create an educational MicroSim using the vis-network JavaScript library. Each MicroSim is a directory located in the /docs/sims folder. It has a main.html file that can be referenced with an iframe. The main.html file imports the main JavaScript code to run the educational MicroSim.

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Write research/technical reports with strong structure + figure standards. Supports Markdown/HTML/PDF outputs (Quarto optional), executive summary, methods, results, discussion, and reproducibility appendix.

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Generate an MCP App widget (self-contained HTML) for an MCP tool. Describe the visual you want and paste your tool's test output. Use when user asks to create an MCP App, widget, or visual for a tool.

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Generate a clean white Tailwind CDN report page from user content, optionally password-gate viewing via client-side decryption, and deploy to Originless/IPFS.

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Generate web assets including favicons, app icons (PWA), and social media meta images (Open Graph) for Facebook, Twitter, WhatsApp, and LinkedIn. Use when users need icons, favicons, social sharing images, or Open Graph images from logos or text slogans. Handles image resizing, text-to-image generation, and provides proper HTML meta tags.

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Reviews and migrates deprecated wildcard (*) values in Power Pages Web API fields site settings to least-privilege explicit Dataverse columns. Use whenever a user mentions Web API wildcard or select-all remediation, fields settings containing *, data-exposure review, wildcard deprecation readiness, or Web API failures after wildcard retirement. Applies to both traditional sites using HTML, CSS, JavaScript, Liquid, and downloaded YAML, and SPA sites using React, Vue, Angular, Astro, or TypeScript. The agent must inspect every source Web API call and consumer, report exact fixes for every wildcard, report every already-explicit configuration, apply approved edits, and verify no wildcard remains.

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Builds accessibility testing workflows for WCAG 2.2 audits and CI gates. Use when adding axe-core or Lighthouse checks, calibrating gate policy, or planning screen-reader testing.

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Launch and control Chrome with AT-SPI2 accessibility for browser automation. Use when asked to start chrome, open browser, launch chrome, begin browser automation, or control web pages.

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Reviews React Flow code for anti-patterns, performance issues, and best practices. Use when reviewing code that uses @xyflow/react, checking for common mistakes, or optimizing node-based UI implementations.

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Write React Testing Library (RTL) component tests for UI behavior, accessibility, and design contracts. Use when testing React components, creating component test files, or defining UI behavior before implementation during Refinement phase.

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This skill should be used when the user asks to "test for HTML injection", "inject HTML into web pages", "perform HTML injection attacks", "deface web applications", or "test content injection vulnerabilities". It provides comprehensive HTML injection attack techniques and testing methodologies.