> ## Documentation Index
> Fetch the complete documentation index at: https://aileadersvietnam.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Brain OS

> 25 AI-powered skills for managing your second brain in Obsidian with Claude Code.

Brain OS is a Claude Code plugin that turns your Obsidian vault into an intelligent second brain. Run `/self-learn` to master a book autonomously, `/today` to start your morning with a prioritized plan, or `/think` to enter deep thinking mode — all from your Claude Code session.

## How it works

Brain OS installs 25 skills into Claude Code. Each skill is a slash command — type it in any Claude Code session and the AI takes over, reading your vault, running scripts, and writing results back to Obsidian.

<Steps>
  <Step title="Install Brain OS">
    Run the one-line installer to clone the plugin and link all skills to Claude Code.

    ```bash theme={null}
    curl -sSL https://raw.githubusercontent.com/sonthanh/brain-os-plugin/main/skills.sh | bash
    ```
  </Step>

  <Step title="Set your vault path">
    Edit `~/.brain-os/brain-os.config.md` and point it at your Obsidian vault.

    ```yaml theme={null}
    vault_path: /path/to/your/obsidian/vault
    ```
  </Step>

  <Step title="Run a skill">
    Open Claude Code and type any Brain OS skill command to get started.

    ```
    /today
    ```
  </Step>
</Steps>

## Explore the docs

<CardGroup cols={2}>
  <Card title="Quick Start" icon="rocket" href="/quickstart">
    Install Brain OS and run your first skill in minutes.
  </Card>

  <Card title="Vault Setup" icon="folder-open" href="/vault-setup">
    Set up the Obsidian vault structure Brain OS expects.
  </Card>

  <Card title="Knowledge Pipeline" icon="graduation-cap" href="/skills/self-learn">
    Extract, validate, and absorb knowledge from books with a 3-phase autonomous pipeline.
  </Card>

  <Card title="Daily Operations" icon="sun" href="/skills/today">
    Morning reviews, end-of-day processing, session handovers, and vault sync.
  </Card>

  <Card title="Thinking Tools" icon="lightbulb" href="/skills/think">
    Deep thinking mode, belief challenging, idea generation, and pattern surfacing.
  </Card>

  <Card title="Configuration" icon="gear" href="/configuration">
    Set your vault path, manage dependencies, and configure the eval system.
  </Card>
</CardGroup>