Browse / Second brain / obsidian-second-brain
obsidian-second-brain
eugeniughelbur
Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault.
Open eugeniughelbur/obsidian-second-brain → Manually confirmed as a workspace.
agent-skillsai-agentsai-note-takingai-second-brainanthropicclaudeclaude-codeclaude-code-skillclaude-memoryclaude-pluginclaude-skillkarpathy-llm-wiki
Built for one agent
ships CLAUDE.md and nothing for other agents.
In its own words
Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes, key-less web research, and scheduled agents that maintain the vault while you sleep.
One codebase. Seven CLIs. Same brain.
Your vault outlives whichever CLI you switch to.
obsidian-second-brain: an AI second brain for Obsidian that Claude can actually search
An evolution of Karpathy's LLM Wiki pattern : a vault that rewrites itself.
Every source updates existing pages instead of just appending new ones. Contradictions reconcile automatically. Your vault compounds while you sleep.
Powered by OKM - Open Knowledge Metabolism : every stored fact is timeless, dated, or a pointer - so your knowledge base never fills with facts that used to be true.
Built for developers founders and operators writers researchers - pick a preset at setup
Start with three: /obsidian-init to set up, /obsidian-save to capture, /obsidian-find to recall. The other 42 are there when you need them.
auto-synthesis thinking tools that argue with you
live research from X, the web, and YouTube 4 scheduled agents 4 role presets
write-time AI-first validator /create-command interview flow multilingual trigger schema
Install Demos See it in action All commands Presets OKM Discussions
One /obsidian-save - five cross-linked notes. Real footage, synthetic vault. More demos
If this looks useful, star the repo. It is how other people find it.
The repository's own description, then 3% of its README. Read the rest on GitHub ↗
What came from it 3
Read from the repository's git tree on 2026-08-17.