Open-source skill pack "sanyuan-skills" ships six free experts for Claude Code

An open-source collection of six specialized skills for Claude Code and other AI terminals, called "sanyuan-skills," has been published on GitHub. Described as "A collection of production-grade agent skills for Claude Code and other AI agent terminals," the repository is offered under the MIT license and has gathered roughly 3,700 stars on GitHub. It can be installed with a command such as npx skills add sanyuan0704/sanyuan-skills --path skills/code-review-expert and invoked via slash commands like /code-review-expert.