4 files for Claude Code: course, lesson, review-lesson, learn-claude-code CLAUDE.md — 999 tokens loaded in every session.
CLAUDE.md A 999 tok .claude/skills/course/SKILL.md C 10 tok .claude/skills/lesson/SKILL.md A 11 tok .claude/skills/review-lesson/SKILL.md A 13 tok These files are delbaoliveira/learn-claude-code's own configuration — they tell Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.