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ai-second-brain

Orchestrate ChatGPT and Claude history into an Obsidian knowledge base.

119|24|Updated Apr 17, 2026
Search Tags:#AI knowledge base#Claude#Obsidian#ChatGPT#AI-powered research
One-click install
npx skills add https://github.com/charlie947/ai-second-brain --skill ai-second-brain
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ai-second-brain
Source: https://github.com/charlie947/ai-second-brain/tree/main
Command: npx skills add https://github.com/charlie947/ai-second-brain --skill ai-second-brain

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires Claude Code, Obsidian, OpenAI, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill addresses the challenge of organizing and accessing a vast amount of information efficiently, turning it into a searchable, AI-powered knowledge base.

Core Features & Use Cases

  • AI Brain Setup: Automates the process of exporting and organizing ChatGPT and Claude history into an Obsidian vault.
  • Karpathy Wiki Creation: Sets up a living wiki that grows with new research, using Karpathy's framework.
  • Living Wiki: Connects to external sources like Gmail and NotebookLM, and sets up iMessage Channels for easy access.

Quick Start

Set up your AI second brain by saying "Set up my AI second brain" in Claude Code.

Frequently Asked Questions about ai-second-brain

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build an AI-powered knowledge base from ChatGPT and Claude history?▼

To build an AI-powered knowledge base, you can orchestrate the export and organization of your ChatGPT and Claude history into a searchable Obsidian vault using automated setup scripts.

What is a living wiki and how does it integrate with external research sources?▼

A living wiki is a searchable framework that grows with new research by connecting to external sources like Gmail and NotebookLM, and setting up iMessage Channels for easy access.

Do I need Claude Code and Obsidian to set up an AI second brain?▼

Yes, setting up this AI second brain requires Claude Code and Obsidian, along with OpenAI integration, to properly handle data organization and AI-powered content generation.

How do I automate wiki creation using the Karpathy framework in Obsidian?▼

You can automate wiki creation by using the Skill to set up a living wiki that grows with new research, utilizing the Karpathy framework directly within your Obsidian vault.

Can I connect my Gmail and NotebookLM data to an Obsidian knowledge base?▼

Yes, the living wiki setup connects your Obsidian knowledge base to external data sources like Gmail and NotebookLM, allowing your AI second brain to ingest daily inputs automatically.

What are the limitations of using an AI-powered knowledge base for daily inputs?▼

Limitations include dependency on Claude Code, Obsidian, and OpenAI, requiring consistent data exports from external sources to maintain a living, searchable wiki structure.

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