Stop treating your AI second brain like a digital junk drawer that you have to constantly babysit. Today, we’re building an autonomous knowledge graph that actually reads your raw files, connects the dots, and does the heavy cognitive lifting for you.

We’ll talk about:

• The 5-Minute Setup: How to deploy Andrej Karpathy’s "LLM Wiki" system from scratch using Obsidian and Claude Code.
• The Routing Secret: Why dumping files into a giant folder ruins AI reasoning, and how proper "markdown routing" saves massive token costs while boosting accuracy.
• The Fable 5 Breakthrough: Watching this model synthesize a complete 6-month visual business recap from a pile of messy transcripts in a single shot.
• The AI OS Compound Effect: Why the future belongs to interconnected wikis (content, business, meetings) that talk to each other to generate your strategy docs on autopilot.

Keywords: AI Second Brain, Karpathy LLM Wiki, Obsidian vault, Claude Code, Fable 5, markdown routing, knowledge graph, personal AI OS, agentic workflows, GPT-5.6 vs Mythos, PKM automation, VS Code.

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