Stop Using Obsidian. This Simple Second Brain Setup Actually Works (Andrej Karpathy + Claude Cowork)

A concise guide to building a practical second brain with minimal tools, using a simple folder-and-AI workflow instead of Obsidian’s complexity.

– Raw-to-wiki: dump files into a raw folder; AI curates into wiki.
– Automate: scheduled or triggered agents translate, archive and version with Git.
– Extend: add prompts, projects, and automations; use as research or business knowledge.

Quotes:

Obsidian is basically just a markdown editor.

AI turns it into clean notes and wiki. That’s literally it to start off with.

When uncertain, it’s going to log it in the entry rather than guessing.