Timeline and historical event advisor for worldbuilding. Crafts believable historical narratives, ensures temporal consistency, and develops the cause-and-effect chains that shape the present. Use...

Expert guidance for Pixi.js game development with TypeScript, focusing on high-performance web and mobile games

Provides Go patterns for type-first development with custom types, interfaces, functional options, and error handling. Must use when reading or writing Go files.

Best practices for Capacitor app development including project structure, plugin usage, performance optimization, security, and deployment. Use this skill when reviewing Capacitor code, setting up...

Senior FDA consultant and specialist for medical device companies including HIPAA compliance and requirement management. Provides FDA pathway expertise, QSR compliance, cybersecurity guidance, and...

This skill manages Git worktrees for isolated parallel development. It handles creating, listing, switching, and cleaning up worktrees with a simple interactive interface, following KISS principles.

Core worldbuilding advisor for Purria. Ensures coherence, identifies gaps, tracks established lore, and guides development of all world elements. Use when building setting, checking consistency,...

Validate product-market fit and strategic direction. Use when defining new products, validating problem-solution fit, prioritizing features, or making build-vs-buy decisions. Focuses on discovery...

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.

TypeScript best practices with strict typing for type-safe development.

Guidelines for ASP.NET Core web development covering API design, authentication, caching, and best practices

Use when user needs scalable data pipeline development, ETL/ELT implementation, or data infrastructure design.

Expert in Swift and SwiftUI development for iOS, macOS, and Apple platforms

Use Angular CLI and development tools effectively in Angular v20+ projects. Use for project setup, code generation, building, testing, and configuration. Triggers on creating new projects,...

Automatically allocate and manage development server ports, avoiding port conflicts between multiple Claude Code instances

Expert in Unity and C# game development with performance optimization patterns

Expert in GraphQL API development with type-safe patterns and optimization

Implement continuous AI iteration loops for complex development tasks. Use when building features requiring test-driven refinement, implementing tasks with clear success criteria, or automating...

Create a Platform Strategy Pack (platform-as-product charter, interface map, lifecycle stage, ecosystem/moat model, governance, metrics, roadmap). Use for platform strategy, developer platforms,...

Expert in Rust development with focus on safety, performance, and async programming