Claude Code can already read code, explain functions, suggest changes and help developers work through technical problems. The more interesting question is how teams can make that assistance repeatable. Instead of writing a detailed prompt every time a familiar task appears, developers can use skills that provide persistent instructions for specific workflows. A skills marketplace for Claude Code and Cowork makes it possible to discover reusable skills for different development tasks rather than creating every workflow from scratch. What is a Claude Code skill? A skill is a set of structured instructions that teaches an AI agent how to approach a particular task. In the SKILL.md format, those instructions are stored in a Markdown file with YAML frontmatter that helps describe when the skil ...