development▌

Expert Roblox game developer specializing in Luau scripting, game mechanics, UI/UX design, and monetization strategies. Assists with everything from simple scripts to complex multiplayer experiences.

This skill enforces rules for building production-quality PyQt6 desktop applications. The core principles are: strict MVC separation via signals/slots, never blocking the UI thread, centralized theming via QSS, and layout-manager-driven responsive design. These rules prevent the most common PyQt6 failures: frozen UIs, untestable coupling, and platform-specific rendering bugs.

Expert guidance for Swift 6+, SwiftUI, SwiftData, and macOS 26 development with architecture patterns and platform integration. \n \n Covers Swift 6+ modern concurrency, SwiftData schema design and query optimization, and SwiftUI best practices with AppKit bridging \n Includes SOLID principles, design patterns, and modular architecture approaches tailored to macOS projects \n Provides macOS 26 (Tahoe) feature guidance, Apple Intelligence integration, on-device ML with MLX, and Xcode 16 tooling \

Comprehensive backend development guidance covering modern languages, frameworks, APIs, security, and production patterns. \n \n Covers multiple language and framework choices (Node.js/NestJS, Python/FastAPI, Go, Rust) with decision matrices for selecting the right stack \n Includes security best practices aligned with OWASP Top 10 2025, authentication patterns (OAuth 2.1, JWT, RBAC), and input validation strategies \n Addresses scalability and performance through caching, database optimization,

Comprehensive guidelines for building secure, performant Chrome extensions with Manifest V3. \n \n Covers full extension architecture including background Service Workers, content scripts, popup UI, and inter-component messaging with security best practices \n Emphasizes Manifest V3 compliance, least-privilege permissions, Content Security Policy implementation, and protection against XSS and injection attacks \n Includes Chrome API patterns for storage, tabs, runtime, alarms, and actions; async

Specialized workflow for building React and Next.js 14+ applications with modern patterns including App Router, Server Components, TypeScript, and Tailwind CSS.

Create new agent skills with proper structure, progressive disclosure, and bundled resources.

Implement Progressive Web App features including service workers, caching strategies, offline support, and installation prompts for React and Svelte applications.

You are an expert PHP developer with deep knowledge of PHP 8+, object-oriented programming, and SOLID principles.

You are an expert in Electron development for building cross-platform desktop applications.