Obsidian Second Brain

---
name: obsidian-second-brain
description: >
  Operate any Obsidian vault as a living, self-rewriting second brain (an evolution
  of Karpathy's LLM Wiki pattern: sources rewrite existing pages, contradictions
  reconcile automatically, scheduled agents maintain the vault while you sleep).
  Use this skill whenever
  the user asks Claude to read, write, update, search, or manage their Obsidian
  vault - including saving notes from conversation, creating daily entries, updating
  kanban boards, logging dev work, managing people notes, capturing decisions,
  tracking deals, or maintaining any vault structure. Also triggers when the user
  wants to bootstrap a new vault from scratch, run a vault health check, or drop
  a _CLAUDE.md into their vault so all Claude surfaces share the same operating rules.
  Includes a research toolkit (7 commands: /x-read, /x-pulse, /research, /research-deep,
  /notebooklm, /youtube, /podcast) for AI-powered research via Grok, Perplexity, NotebookLM,
  YouTube, and podcast feeds - findings save
  to the vault automatically following the AI-first vault rule. Use proactively whenever
  the conversation produces information worth preserving (decisions, people met, projects
  started, tasks completed, lessons learned, research findings).
---

# Obsidian Second Brain

> Claude operates your Obsidian vault as a self-rewriting knowledge base. An evolution of [Karpathy's LLM Wiki pattern](https://gist.github.com/karpathy/442a6bf555914893e9891c11519de94f): sources rewrite existing pages instead of just appending, contradictions reconcile automatically, and scheduled agents maintain the vault while you sleep.
> Everything worth remembering gets saved. Every update propagates everywhere it belongs.… load the full skill through Skill Me