Your File System Is Already a Graph Database

Karpathy recently posted about using LLMs to build personal knowledge bases — collecting raw sources into a directory, having an LLM &ldquo;compile&rdquo; them into a wiki of interlinked markdown files, and viewing the whole thing in Obsidian. He followed it up with an &ldquo;idea file,&rdquo; a gist you can hand to your agent so it builds the system for you. This is a great idea, I&rsquo;ve been…