This is a meta-skill that teaches you how to configure Claude Code itself through CLAUDE.md files. It's essentially documentation and templates for getting better results from the agent by setting up project guidelines, commands, and context upfront. The repo has 27.7K stars and passes all three security audits, which tells you it's been widely adopted. Useful if you're starting fresh projects and want to establish conventions before the agent starts generating code, though the source here doesn't show much of the actual template content. Think of it as training wheels for writing good AI instructions rather than a coding skill in the traditional sense.
npx skills add https://github.com/davila7/claude-code-templates --skill claude-code-guide