Other

Write and run tests across languages and frameworks. Use when setting up test suites, writing unit/integration/E2E tests, measuring coverage, mocking dependencies, or debugging test failures. Covers Node.js (Jest/Vitest), Python (pytest), Go, Rust, and Bash.

When the user wants to plan a product launch, feature announcement, or release strategy. Also use when the user mentions 'launch,' 'Product Hunt,' 'feature release,' 'announcement,' 'go-to-market,' 'beta launch,' 'early access,' 'waitlist,' or 'product update.' This skill covers phased launches, channel strategy, and ongoing launch momentum.

Integrate HODLXXI as a Bitcoin-native identity provider that bridges OAuth2/OIDC and Lightning LNURL-Auth for client registration, authorization flows, JWT verification, and health monitoring.

Flip problems upside down - instead of "how to succeed", ask "how to definitely fail" then avoid those paths. Use when user says "invert", "inversion", "flip it", "opposite approach", "how would this fail", "avoid failure", "what NOT to do", "Munger", "anti-goals", "guarantee failure".

Avoid common Linux kernel mistakes — atomic context violations, allocation failures, and locking traps.

Search and evaluate biomedical literature with effective queries, filters, and critical appraisal.

Avoid common C# mistakes — null traps, async pitfalls, LINQ gotchas, and disposal leaks.

A minimal test skill

Describe your concept and discover what makes it distinctive — structured analysis for patent consultation. NOT legal advice.

Local speech-to-text with MLX Whisper (Apple Silicon optimized, no API key).

create an image similar to a particular artist

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.