Expert in designing engaging learning experiences - completion optimization, multimedia learning, interactivity, gamification, and retention strategies. Covers the science of how people learn and...

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance...

Expert integration of Supabase Auth with Next.js App RouterUse when "supabase auth next, authentication next.js, login supabase, auth middleware, protected route, auth callback, session...

World-class motion design expertise combining Disney's 12 principles of animation, Material Design's motion system, and the performance-first philosophy of production interfaces. Motion design is...

Expert patterns for Azure Functions development including isolated worker model, Durable Functions orchestration, cold start optimization, and production patterns. Covers .NET, Python, and Node.js...

Expertise in building immersive VR/AR experiences using WebXR and spatial computing principlesUse when "vr development, ar development, webxr, virtual reality, augmented reality, mixed reality,...

Expert at designing clean, consistent, and developer-friendly APIs. Covers RESTful conventions, versioning strategies, error handling, pagination, rate limiting, and OpenAPI documentation. Designs...

Designing tabletop games - from core mechanics to manufacturing, from prototyping to KickstarterUse when "board game, tabletop, card game, worker placement, deck building, area control,...

This skill should be used when the user asks to "perform vulnerability scanning", "scan networks for open ports", "assess web application security", "scan wireless networks", "detect malware",...

Angular is opinionated and comprehensive - it gives you everything: routing, forms, HTTP, dependency injection, testing. The learning curve is steep, but once you're in, you move fast. The...

Patterns for designing, building, and operating microservices architectures. Covers service decomposition, inter-service communication, resilience patterns, data consistency, and observability in...

Comprehensive toolkit for product managers including RICE prioritization, customer interview analysis, PRD templates, discovery frameworks, and go-to-market strategies. Use for feature...

Expert knowledge for environment art in games - modular design, visual hierarchy, color scripting, environmental storytelling, optimization, and world-building. From blockout to final art pass,...

Technical debt is not bad. Reckless debt is bad. Strategic debt is a tool. Like financial debt, it can accelerate growth when used wisely or bankrupt you when ignored. This skill covers when to...

Use this skill when adding authentication, handling user input, working with secrets, creating API endpoints, or implementing payment/sensitive features. Provides comprehensive security checklist...

Use when implementing any feature or bugfix, before writing implementation code

World-class test automation - unit, integration, e2e testing strategies, and the battle scars from flaky tests that broke CI/CD pipelinesUse when "test, testing, unit test, integration test, e2e,...

Inter-agent communication patterns including message passing, shared memory, blackboard systems, and event-driven architectures for LLM agentsUse when "agent communication, message passing,...

Use when designing space missions, computing launch windows, optimizing trajectories, analyzing payload constraints, or planning mission phases and contingencies. Use when "mission design, launch...

Use when designing multi-tenant SaaS architectures, implementing tenant isolation, data partitioning strategies, or building billing/metering systems - covers pooled, siloed, and hybrid modelsUse...