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I test AI tools, build real workflows, and share what's worth your time. Newsletter, field guides, and courses — everything based on what I've shipped, not what I've read about.
Second Brain Chronicles - Digest #001 February 2026: Confidence Is Not Evidence This is the first real issue of Second Brain Chronicles. I've been building an AI-augmented second brain system for over a year now, and I kept telling myself I'd start documenting it when the system was "ready." The system will never be ready. So here we are. What you're reading is a monthly field report — not a tutorial, not a product launch. I'm documenting what happens when you wire AI tools deep into your...
Your Vault Has a Shape Folder structure, daily notes, and the one file that teaches Claude everything about your system. Last issue, you installed Obsidian and Claude Code, then had your first conversation where Claude could see your files, create new ones, and answer questions about what's there. Right now though, Claude knows almost nothing about what you're building. Every time you start a new session, it reads the files in your folder and... that's it. No context about what the vault is...
Starting From Scratch Install the tools. Have your first conversation. This is where every AI second brain begins. You've seen the demos. Someone on Twitter shows their AI reading their notes, managing their email, writing drafts in their voice, remembering decisions from three months ago. It looks like magic, and you want it. Then you try to build it and hit a wall. Where do you even start? What tools? What structure? The demos never show the beginning — only the result. This newsletter is...