# Brain OS ## Docs - [Configuration](https://aileadersvietnam.mintlify.app/configuration.md): Configure Brain OS settings, installation modes, and manage your installation. - [Dependencies](https://aileadersvietnam.mintlify.app/dependencies.md): What Brain OS requires to run, and how to set up the optional Python dependencies for book learning. - [Eval System](https://aileadersvietnam.mintlify.app/eval-system.md): A two-layer quality system that catches regressions when you edit or customize Brain OS skills. - [Introduction](https://aileadersvietnam.mintlify.app/introduction.md): Brain OS is a Claude Code plugin that gives you 25 AI-powered skills for managing a second brain in Obsidian — from processing books to running your day to deep thinking. - [Quick Start](https://aileadersvietnam.mintlify.app/quickstart.md): Install Brain OS and run your first skill in under five minutes. - [Absorb](https://aileadersvietnam.mintlify.app/skills/absorb.md): Cross-reference book insights against your actual vault context and propose targeted updates to your strategy, goals, and thinking. - [Audit](https://aileadersvietnam.mintlify.app/skills/audit.md): Independently verify ingested book knowledge against NotebookLM using 50 fresh questions before absorbing into your vault. - [Chain](https://aileadersvietnam.mintlify.app/skills/chain.md): Orchestrate the complete knowledge pipeline — self-learn, ingest, audit, absorb, and sync — in a single automated command. - [Challenge](https://aileadersvietnam.mintlify.app/skills/challenge.md): Pressure-test your beliefs by finding contradictions, counter-evidence, and hard questions from your vault history. - [Close](https://aileadersvietnam.mintlify.app/skills/close.md): Run end-of-day processing to wrap up your session, capture decisions, and set up tomorrow. - [Connect](https://aileadersvietnam.mintlify.app/skills/connect.md): Find unexpected connections between two different domains in your vault. - [Emerge](https://aileadersvietnam.mintlify.app/skills/emerge.md): Surface ideas you've implied but never explicitly stated by scanning across your entire vault. - [Ghost](https://aileadersvietnam.mintlify.app/skills/ghost.md): Answer a question in your voice, grounded entirely in your vault history — not generic AI knowledge. - [Handover](https://aileadersvietnam.mintlify.app/skills/handover.md): Save session state so a future Claude Code session can resume exactly where you left off. - [Ingest](https://aileadersvietnam.mintlify.app/skills/ingest.md): Convert raw book notes, highlights, and files into structured, linked vault notes ready for absorption. - [Self-Learn](https://aileadersvietnam.mintlify.app/skills/self-learn.md): Autonomously master a book through a 3-phase pipeline: extract atomic concepts, validate against NotebookLM, and extend into new domains. - [Sync](https://aileadersvietnam.mintlify.app/skills/sync.md): Commit and push all vault changes to your git remote. - [Think](https://aileadersvietnam.mintlify.app/skills/think.md): Switch Claude Code into deep thinking mode — focused on your ideas, patterns, and reflections. - [Today](https://aileadersvietnam.mintlify.app/skills/today.md): Run a morning review and generate a prioritized plan for your day. - [Vault Setup](https://aileadersvietnam.mintlify.app/vault-setup.md): Set up the Obsidian vault folder structure that Brain OS skills expect.