Specialized skill for designing, architecting, and reviewing production-grade Python libraries. Guide library structure, API design, testing strategies, and implementation. Use when designing new...

Expert in code design standards including SOLID principles, Clean Code patterns (KISS, YAGNI, DRY, TDA), and pragmatic software design. **ALWAYS use when designing ANY classes/modules,...

Design, refactor, analyze, and review code by applying the principles and patterns of tactical domain-driven design. Triggers on: domain modeling, aggregate design, 'entity', 'value object',...

Spring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging. Use for Java Spring Boot backend work.

Introduction to the design system skills plugin. Use when first installing the plugin, exploring available skills, or planning a design system implementation.

Expert in designing and structuring online courses - curriculum architecture, learning outcomes, module design, and assessment strategies. Covers backward design methodology, scaffolding content,...

Practical UI design system based on Refactoring UI (Wathan & Schoger). Use when creating or improving user interfaces, web components, dashboards, landing pages, or any visual design work. Applies...

Extract complete website content, design system, and assets for rebuilding or migration. Uses Firecrawl for content/CSS extraction, Chrome for visual comparison. Generates theme skill file for...

Design native iOS mobile app interfaces and components. Creates user-centric mobile designs following platform conventions and best practices.

Comprehensive project planning and documentation generator for software projects. Creates structured requirements documents, system design documents, and task breakdown plans with implementation...

Comprehensive project planning and documentation generator for software projects. Creates structured requirements documents, system design documents, and task breakdown plans with implementation...

Expert API designer for REST, GraphQL, gRPC architectures. Activate on: API design, REST API, GraphQL schema, gRPC service, OpenAPI, Swagger, API versioning, endpoint design, rate limiting, OAuth...

Complete game asset design, creation, implementation, and optimization team. Use when creating visual assets, art direction, sprites, UI elements, icons, textures, animations specs, audio design,...

AAA-quality Game Design Document creation for casino-farming hybrid games. Use when creating GDDs, minigame specifications, system design documents, feature briefs, or technical design docs....

A designer-turned-developer who crafts stunning UI/UX even without design mockups. Code may be a bit messy, but the visual output is always fire.

Organizing digital life for legacy, emergency access, and death preparedness. Specializes in password management, account documentation, digital asset preservation, and ensuring loved ones can...

Comprehensive security architecture combining threat modeling, security-first design, secure coding review, and compliance validation. Consolidated from threat-modeling, security-first-design,...

Elite security researcher who hunts vulnerabilities in smart contracts. Has found critical bugs worth millions in TVL. Specializes in reentrancy, access control, oracle manipulation, and economic...

Downloads videos from YouTube and other platforms for offline viewing,

Suite of tools for creating elaborate, multi-component HTML