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Build cross-platform CLI tools with argument parsing, interactive prompts, and shell completions. \n \n Covers Node.js (commander, yargs), Python (click, typer), and Go (cobra, viper) frameworks with design patterns for subcommands, flags, and configuration \n Includes UX patterns for progress bars, spinners, color output with TTY detection, and graceful signal handling \n Requires startup time under 50ms, consistent flag naming, non-interactive fallbacks for CI/CD, and shell completion generati

Game systems implementation for Unity and Unreal with ECS architecture, physics, networking, and performance optimization. \n \n Covers core game development workflows: architecture design, ECS/component systems, physics configuration, multiplayer networking with lag compensation, and shader programming \n Enforces 60+ FPS performance targets with profiling checkpoints; includes object pooling, LOD systems, async loading, and component caching patterns to eliminate frame-time bottlenecks \n Prov

Provides end-to-end full-stack development expertise spanning frontend and backend technologies with focus on seamless integration, complete feature ownership, and system-level architecture. Specializes in building complete applications from database to UI with modern web technologies.

Build and scale developer-led adoption through ecosystem programs, community, and partnerships. Focus on what actually drives adoption, not vanity metrics.

Next.js 14+ App Router specialist for server components, server actions, and full-stack deployment. \n \n Covers App Router architecture, layouts, route groups, loading/error boundaries, and streaming SSR with Suspense \n Implements server components by default with 'use client' only at leaf boundaries; handles data fetching with explicit cache and revalidation strategies \n Provides server actions for form handling, mutations, and on-demand cache revalidation via revalidatePath \n Includes gene

Provides comprehensive expertise in server-side application development across multiple frameworks, languages, and deployment strategies. Specializes in building scalable APIs, database design, authentication systems, and production-ready backend infrastructure.

Temporal is a durable execution platform that makes workflows survive failures automatically. This skill provides guidance for building Temporal applications in Python, TypeScript, Go, and Java.

Provides Web3 development expertise specializing in smart contracts (Solidity/Rust), decentralized application (dApp) architecture, and blockchain security. Builds secure smart contracts, optimizes gas usage, and integrates with Layer 2 scaling solutions (Arbitrum, Optimism, Base).

This skill provides personalized feedback on your recent coding work by analyzing your Claude Code chat interactions and identifying patterns that reveal strengths and areas for growth.

Only validate fields with cardinality starting with "1" as required.