This is essentially a cheat sheet of ready-to-use prompts organized by category. You get role-based templates like "act as a senior code reviewer" or "system architect," task-specific ones for debugging and refactoring, and analysis prompts for security reviews and performance checks. It also includes prompt engineering patterns like chain of thought and few-shot learning. Honestly, it's most useful when you're stuck on how to phrase a request or want a structured template instead of winging it. The prompts are pretty comprehensive, though you'll still need to customize them for your specific context.
npx skills add https://github.com/davila7/claude-code-templates --skill prompt-library