Frontend

This skill provides expert-level guidance for implementing VS Code WebView features. Use when creating WebView panels, implementing secure CSP policies, handling Extension-WebView communication, managing WebView state persistence, optimizing WebView performance, or debugging WebView rendering issues. Covers security best practices, message protocols, and VS Code-specific WebView patterns.

Create and execute comprehensive tests including unit tests, integration tests, CLI tests, web/mobile UI tests, API tests, and log analysis. Find bugs, verify requirements, identify improvements, and create change/bug/improve backlogs. Use when testing implementations or ensuring quality.

Best practices for using Hotwire Turbo to create reactive applications

This skill provides expert-level guidance for debugging and fixing bugs in VS Code extensions. Use when investigating runtime errors, fixing memory leaks, resolving WebView issues, debugging activation problems, fixing TypeScript type errors, or troubleshooting extension communication failures. Covers systematic debugging workflows, common bug patterns, root cause analysis, and prevention strategies.

Control the computer by taking screenshots, moving the mouse, clicking, and typing. Use this skill when you need to interact with GUI applications or perform actions that require visual feedback.

Detect unused dependencies in Rust projects for cleaner Cargo.toml files and faster builds.Use when auditing dependencies, optimizing build times, cleaning up Cargo.toml, or detecting bloat.Trigger terms: unused dependencies, cargo-machete, dependency audit, dependency cleanup, bloat detection, cargo-udeps.

Generate color-coded electronics schematic diagrams from wiring documentation using AI image generation.Parses WIRING.md or similar documentation files, researches component pinouts via web search,and generates visual schematic images with hobby-friendly color coding using Nano Banana Pro.Use when the user wants to:- Generate a schematic from wiring documentation- Visualize circuit connections from a WIRING.md file- Create circuit diagrams for embedded projects- Generate hardware documentation imagesTriggers: "generate schematic", "create schematic", "schematic from wiring","visualize circuit", "circuit diagram", "wiring diagram image"

This skill provides expert-level guidance for refactoring VS Code extension code. Use when extracting classes or functions, reducing code duplication, improving type safety, reorganizing module structure, applying design patterns, or optimizing performance. Covers systematic refactoring workflows, code smell detection, safe transformation techniques, and VS Code-specific patterns.

Expert frontend engineering with simplified pragmatic architecture, React 19, TanStack ecosystem, and Zustand state management. **ALWAYS use when implementing ANY frontend features.** Use when setting up project structure, creating pages and state management, designing gateway injection patterns, setting up HTTP communication and routing, organizing feature modules, or optimizing performance. **ALWAYS use when implementing Gateway Pattern (Interface + HTTP + Fake), Context API injection, Zustand stores, TanStack Router, or feature-based architecture.**

Design reusable, composable UI components with single responsibility, clear interfaces, and proper state management. Use this skill when creating or refactoring React, Vue, Svelte, or other framework components. When defining component props, interfaces, or APIs. When managing component state or lifting state up to parent components. When building reusable UI elements like buttons, cards, forms, modals, or lists. When implementing component composition patterns. When working with component files (.jsx, .tsx, .vue, .svelte). When documenting component usage or creating component libraries.

Optimize Next.js frontend performance using Lighthouse, bundle analysis, and animation best practices. Use when diagnosing slow pages, optimizing bundle size, or improving Core Web Vitals (LCP, TBT, CLS).

Next-generation test runner for Rust with parallel execution, advanced filtering, and CI integration.Use when running tests, configuring test execution, setting up CI pipelines, or optimizing test performance.Trigger terms: nextest, test runner, parallel tests, test filtering, test performance, flaky tests, CI testing.

Expert guidance for using PikaCSS—an Atomic CSS-in-JS engine that combines CSS-in-JS syntax with Atomic CSS output. Use when users ask about PikaCSS styling, configuration, plugins, shortcuts, selectors, TypeScript integration, or need help writing PikaCSS code.

Builds AI agents on Cloudflare using the Agents SDK with state management, real-time WebSockets, scheduled tasks, tool integration, and chat capabilities. Generates production-ready agent code deployed to Workers. Use when: user wants to "build an agent", "AI agent", "chat agent", "stateful agent", mentions "Agents SDK", needs "real-time AI", "WebSocket AI", or asks about agent "state management", "scheduled tasks", or "tool calling".

Modern Rust development with cargo, rustc, clippy, rustfmt, async programming, andmemory-safe systems programming. Covers ownership patterns, fearless concurrency,and the modern Rust ecosystem including Tokio, Serde, and popular crates.Use when user mentions Rust, cargo, rustc, clippy, rustfmt, ownership, borrowing,lifetimes, async Rust, or Rust crates.

Generate cohesive UI audio themes with subtle, minimal sound effects for applications. This skill should be used when users want to create a set of coordinated interface sounds for wallet apps, dashboards, or web applications - generating sounds mapped to UI interaction constants like button clicks, notifications, and navigation transitions using ElevenLabs API.

Claude Code plugin authoring expert. Creates complete plugin packages with manifests, commands, agents, skills, hooks, and marketplaces following official 2025 schema. Use when creating new plugins, building marketplaces, or packaging skills for distribution.

Expert UI/UX designer for React applications with shadcn/ui and Tailwind CSS. **ALWAYS use when creating UI components, implementing responsive layouts, or designing interfaces.** Use when user needs component creation, design implementation, responsive layouts, accessibility improvements, dark mode support, or design system architecture. Examples - "create a custom card component", "build a responsive navigation", "setup shadcn/ui button", "implement dark mode", "make this accessible", "design a form layout".

Convert design prototypes (HTML, CSS, Figma exports) into production-ready components. Analyzes prototype structure, extracts design tokens, identifies reusable patterns, and generates typed React components. Adapts to existing project tech stack with React + TypeScript as default.

Manage monorepo and multi-package Python projects with uv workspaces. Coversworkspace configuration, member dependencies, shared lockfiles, and building.Use when user mentions uv workspaces, Python monorepo, multi-package projects,workspace members, or shared dependencies across packages.