Nate Herk | AI Automation

Fable 5 + Karpathy’s LLM Wiki is Basically Cheating

Jul 3, 2026 15 min
llmpersonal knowledge baseobsidianclaude codeknowledge management
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Summary

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The video demonstrates how to build a personal LLM knowledge base by ingesting a PDF and an article into an Obsidian vault, then using Claude Code to process and link them, creating a structured wiki pattern.

The video explains and demonstrates a pattern for building a personal LLM knowledge base using Claude Code, Obsidian, and a flat wiki structure. The creator shows how to ingest a PDF (Claude Fable 5 & Claude Mythos 5 System Card) and an article (OpenAI's GPT-5.6 Sol preview) into the 'raw' folder of an Obsidian vault, and then use Claude Code to ingest them into the wiki, creating linked pages for concepts, entities, sources, and topics. The process involves using Claude Code as a router, pointing it to the raw data, and then letting it ingest and organize the information within the wiki structure, resulting in a searchable and interconnected knowledge base. The video highlights the efficiency of this method for building personal knowledge bases.

Steps to follow

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Key Points

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Worth watching if: You're interested in building your own personal knowledge base using LLMs, organizing information efficiently, or leveraging tools like Claude Code and Obsidian for knowledge management.

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