Someone writes a useful skill, it lives on their machine, and two weeks later a colleague solves the same problem from scratch. That is the pattern most teams fall into. The previous post covered how to write skills for Claude Code: a SKILL.md file that teaches Claude a workflow, living in your home directory where it applies to every project you work on. That setup works well for personal workflows. It breaks down the moment you want someone else to benefit from what you figured out. This post covers the next layer: plugins, marketplaces, and keeping shared skills alive as the team grows. ...