Build Your Personal AI Brain
A step by step guide to building a three-agent personal intelligence system that reads your notes, monitors the web, maintains a private wiki, and delivers daily and weekly briefings to your inbox. The thinking behind why I built this is in the companion post: My Personal AI Brain. What you’ll build: A daily email digest grounded in your Obsidian vault and calendar A nightly wiki update that maps your active topics and enriches them with web research A weekly review that closes the week and opens the next one A private, secured website that hosts your living knowledge base Time to set up: 2-3 hours Running cost: $0 (runs on your existing Claude subscription, Resend free tier covers the email volume) Infrastructure: Cowork, Cloudflare (free tier), Obsidian (iCloud sync) ...