This Claude Second Brain Setup Beats Karpathy’s LLM Wiki

Every month a smarter AI model shows up. They write proposals, ship software, run work you used to hire people for. But they all start every conversation from zero, so you keep re-explaining your business over and over. I fixed this by building a second brain. Every decision, every past project, every lead and every pivot lives in one place as plain files. When I open Claude, it already knows exactly where my business is today. No re-explaining, no robotic answers. In this video I break down why you need one, how it works, and the exact step-by-step to build your own using Claude Code and OKF (Open Knowledge Format). By the end you'll have a brain running for your business too. ⏱ Chapters 00:00 Why AI still sounds robotic 00:57 What a second brain actually is 01:53 Persistent memory vs a normal chat window 03:12 Why Claude's built-in memory isn't enough 04:00 Training the AI on your voice and your rules 05:20 Local, portable, and model-agnostic 06:23 The one-chat-window trap and context rot 07:04 OKF: how AI reads a mountain of data 09:18 Setting up your own brain, step by step 10:30 Orchestrator plus sub-agents, so you don't burn tokens 11:43 Seeing it come alive in Obsidian 13:00 Day zero is small. It compounds. 13:46 Why you should stop using the chat window 🔗 Want us to build a second brain for your business, or set up the automations around it? Book a call: https://cal.com/parikshit-pruthi-cvtr... 🛠 Resources OKF spec (copy this into Claude): https://github.com/GoogleCloudPlatfor... Obsidian (free, for the graph view): https://obsidian.md The models will keep getting better. The context is the moat. Start building yours now. #AI #ClaudeAI #SecondBrain #Obsidian #AITools #Productivity #AgenticEngineering