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obsidian-second-brain

The premium Open Source alternative to Mem.ai

🎯 Best for:Obsidian users wanting an autonomous AI agent to organize and write within their vault.
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MITLicense

What is obsidian-second-brain?

A self-hosted alternative to Notion AI and Mem.ai. It leverages Claude Code to perform autonomous file operations and knowledge synthesis directly on local Markdown vaults.

Tech Stack
PythonKnowledge Base & Wiki

Why obsidian-second-brain?

  • • Autonomous note creation
  • • Local-first privacy
  • • Deep Claude integration

Limitations

  • • Requires Claude API credits
  • • CLI-heavy interaction
  • • Potential for file overwrites
4/17/2026
Last Update
26
Forks
0
Issues
MIT
License
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Competitor Cost
-$1,440
/ year (est. based on Mem.ai)
Self-Hosted
$0
/ year
Team Size10 Users
150+
Launch Detailed Calculator
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