Second Brain Guide
A second brain is a folder on your machine — a git repo — that holds everything Claude and other AI tools need to know about you, your projects, and how you work.
Every time you start Claude CLI in a project, it automatically reads your global context. Every solved problem, reusable pattern, and project note lives in one place you actually own.
What you’ll have at the end
Section titled “What you’ll have at the end”- A second brain repo with a structured folder layout
- The repo opened as an Obsidian vault for visual browsing and editing
- Your global
CLAUDE.mdsymlinked so Claude CLI loads it automatically - A project template Claude uses to onboard new projects with zero manual setup
Why this matters for vibecoding
Section titled “Why this matters for vibecoding”Without a second brain, you explain your stack, preferences, and project context to Claude from scratch every session. With one, Claude already knows:
- Who you are and how you work
- Your branch strategy, commit conventions, and deploy targets
- Which patterns you’ve learned and which gotchas to avoid
- The full context of every active project
- Set up the folder structure — 10 minutes
- Open as an Obsidian vault — 5 minutes
- Connect to Claude CLI — 5 minutes
- Wiki patterns — what to write down — read when ready