# open-second-brain

Open Second Brain is a memory layer for AI agents that lives in an Obsidian vault. Agents read and write it through MCP servers, lifecycle hooks and the o2b CLI.

- Tier: Indexed (plain plugin)
- Category: Agent Memory
- Page: https://www.flowy.sh/listings/itechmeat-open-second-brain
- Source: https://github.com/itechmeat/open-second-brain
- Price: free and open source

## Summary
open-second-brain is a Claude Code plugin with 6 hand-picked skills, indexed on Flowy in the Agent Memory category. Install it with the command on its page. It includes brain-memory, codegraph-partner, decision-model-setup. Its skills do not fire on their own yet. Request auto-invocation to have Flowy route them as you prompt. Free and open source.

## Install (Claude Code)
```
/plugin marketplace add itechmeat/open-second-brain
/plugin install open-second-brain@open-second-brain
```

## Skills
- brain-memory
- codegraph-partner
- decision-model-setup
- embeddings-setup
- open-second-brain
- schema-author

## FAQ

### What is open-second-brain?
Open Second Brain is a memory layer for AI agents that lives in an Obsidian vault. Agents read and write it through MCP servers, lifecycle hooks and the o2b CLI.

### How do I install open-second-brain?
Run these in Claude Code: /plugin marketplace add itechmeat/open-second-brain then /plugin install open-second-brain@open-second-brain. Then prompt normally.

### Does open-second-brain auto-invoke its skills?
Not yet. It is indexed on Flowy as a plain plugin. Request auto-invocation on its page and Flowy will route its skills for you as you prompt.

### Is open-second-brain free?
Yes. Flowy is free and open source, with nothing gated. You can read every skill in full before you install.