https://github.com/numman-ali/openskills
The closest implementation matching Claude Code's skills system — same prompt format, same marketplace, same folders, just using CLI instead of tools.
https://github.com/klaudworks/universal-skills
Universal Skills brings Anthropic's Skills feature to any AI coding agent that supports MCP. Skills are markdown files containing specialized knowledge that can be dynamically loaded into your agent's context only when needed.
