undefined-ui/second-brain-os

An AI second brain that maintains itself. Full guide, starter vault, agent skills and scripts for a self-organizing knowledge base in Claude Code and Obsidian.

HTML797 stars124 forksMIT

agent-skills ai-agents claude claude-code claude-skills knowledge-graph knowledge-management llm mcp obsidian personal-knowledge-base pkm second-brain

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undefined-ui/second-brain-os has 797 GitHub stars.

It currently ranks #47486 daily, #47424 weekly, #47833 monthly by momentum on Trending Repos; its best-ever rank is #317.

Trending Repos first recorded it on Sep 27, 2026.

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