Lenny's Newsletter · 11 November 2026

Claude Code + Obsidian: My family’s AI brain | Scott Farrar

Lenny Rachitsky

A math educator built a household knowledge base in Claude Code and Obsidian to centralize family information—appliances, warranties, to-dos, insurance details—accessible to both him and his wife, demonstrating how structured AI systems can outperform drifting chatbot conversations.

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Topics: AI (Horizontal) · Consumer

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