"A Skill is a folder containing a SKILL.md file, which includes instructions, resources, and even executable code. Think of Skills as a set of standard operating procedures for the AI. For example, a Skill could instruct Claude on how to format a weekly report, adhere to a company's brand guidelines, or analyze data using a specific methodology."
https://subramanya.ai/2025/10/30/claude-skills-vs-mcp-a-tale-of-two-ai-customization-philosophies/




