metis-brain is a command-line tool that functions as a second brain for markdown-based note systems such as Obsidian. It uses embeddings and RAG techniques to enable semantic search and knowledge retrieval across personal notes. The MIT-licensed package is distributed on PyPI and targets users who want a local, privacy-focused knowledge management solution.
metis-brain is a Productivity & Work product. It focuses on finding and retrieving relevant information across a personal collection of markdown notes without manual searching. It is built as an open-source project for developers. metis-brain is open source under the MIT license. It runs on the command line.
Behind metis-brain is itsautomata, and the product first shipped in 2026. Development happens publicly on GitHub with 56 commits in the last 90 days. Key capabilities include Semantic Search, embeddings, and RAG.
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