This episode explores Anthropic's revolutionary 'Skills,' a new way to implement Standard Operating Procedures (SOPs) for LLM agents, ensuring consistent, high-quality output for specialized tasks like Excel analysis and document formatting. We dive into how these portable folders contain instructions and executable code, allowing Claude to efficiently access deep, specialized expertise only when needed. Learn the best practices for authoring these skills—from conciseness and appropriate degrees of freedom to iterative testing—as LLM platforms rapidly evolve into customizable agentic environments.