I Built a Knowledge Base That Thinks — Inspired by Karpathy’s LLM Wiki

Notes pile up and go stale. This tool updates your knowledge base automatically — inspired by Karpathy’s LLM Wiki. Key Takeaways Inspired by Karpathy’s LLM Wiki, ex-brain is an open-source CLI that compiles new information into existing knowledge pages, extracts timelines, and builds entity links automatically — so your notes stay current instead of just piling up. The search layer uses seekdb’s native hybrid search (BM25 + vector similarity in one query), with built-in AI functions for embeddin