coworkplugins
Notes & KnowledgeBy eugeniughelbur
Os

Obsidian Second Brain plugin

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. 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.

Source
Community
Author
eugeniughelbur
GitHub stars
4,792
License
MIT
Last pushed
Oct 17, 2026

Facts are read from the plugin's GitHub repository. Anthropic does not review community plugins added from a repository, so check the source before you install. Plugin security

About this plugin

Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. 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.

How to install the Obsidian Second Brain plugin

This is a community plugin for Claude Code. Run these commands in a Claude Code session.

  1. Add the marketplace

    /plugin marketplace add eugeniughelbur/obsidian-second-brain
  2. Install the plugin

    /plugin install obsidian-second-brain@obsidian-second-brain

In Claude Cowork

Open Customize, then Plugins, then Add marketplace, and enter eugeniughelbur/obsidian-second-brain. Install Obsidian Second Brain from the list that appears.

More Notes & Knowledge plugins

Other Claude Cowork plugins