Set up the user's brain: one folder, run by their agent, where every piece of work lives in a project, so any future session can read one file and know who the user is, what they work on and where everything is. Talk to the user in their language, one short question at a time, with no jargon (never say "frontmatter", "kebab-case" or "symlink" to them).

If you got this skill from a link instead of a local folder, install nothing else from the repo: download a file it links only when a step needs it, with curl -fsSL https://raw.githubusercontent.com/Melvynx/ai-maxxing-skills/main/skills/setup-brain/<path> -o <scratch>/<file> (for example references/agents-md.md), and read another skill it names only when you reach it, from https://raw.githubusercontent.com/Melvynx/ai-maxxing-skills/main/skills/<skill-name>/SKILL.md.

Use the argument as the target folder, otherwise ~/brain, and confirm it in one line. If it already exists and is not empty, overwrite nothing: read what is there, tell the user what you found, and only add what is missing.
Ask these one by one, accept short answers, and move on if they skip one:
1. Your first name, what you do, and your time zone?
2. Your businesses or products (name + one line each)? "None yet" is fine.
3. What are you working on right now? List 3 to 5 things, work or personal.
4. How do you like your agent to talk to you (short and direct, or detailed and step by step)?
5. Where do your goals or notes already live (Notion, Obsidian, Google Docs, nowhere)?
Create the structure below and a .gitignore with .tmp/, .DS_Store, node_modules/, .env*.
Write AGENTS.md from the interview with references/agents-md.md. It is the single guide for every agent: never create a CLAUDE.md.
For each business from question 2, create a hub in projects/<slug>/; for each item from question 3, create a project inside the right hub (or at projects/ root if none fits). Always create the perso/ hub. Give every hub and project an About.md from references/about-md.md. Write only what the user told you and leave "To fill" rather than guess a fact, number or link. Add Roadmap.md only for real next steps, and files/, assets/, output/ only when there is something to put in them.
Write the projects skill from references/projects-skill.md to .agents/skills/projects/SKILL.md and link it from .claude/skills/projects.
Run git init and a first commit "brain: initial setup". Ask if they want a private GitHub repo so they never lose it; create and push only on yes, always private.