Criei um Segundo Cérebro Com Claude Code + Obsidian (De Graça)

I Created a Second Brain With Claude Code + Obsidian (For Free) — and ended up deleting my Notion in the process. 🎁 [FREE] Learn how to use Claude Code + Antigravity to build software and automations from scratch: https://lp.automatiza-ai.com/captura?... If you still pay for Notion AI, Mem, or any "AI with your files" tool, watch this before renewing. Claude Code + Obsidian builds a local RAG in 15 minutes, for free — and it works better than paid tools. In this video, I show the complete setup from scratch: installing Obsidian, structuring the vault (knowledge base) so Claude Code can read efficiently, creating custom skills, and using everything as a second brain that answers anything about your life, your projects, your clients. What you will learn: • Why Claude Code + Obsidian is a better RAG than paid ones • How to configure the Obsidian vault for semantic search • The Karpathy method (formerly OpenAI) in practice with code • Claude Code skills for RAG (new feature) • Why this replaces Notion AI, Mem, and other paid tools ⏱️ Chapters: 00:00 Intro: the problem with Obsidian + Claude Code 00:28 Why the traditional method is a "baby Tolkien V8 engine" 01:23 RAG explained: semantic search vs. pragmatic search (Ctrl+F) 02:25 LightRAG: the open-source library that solves it 03:30 Hybrid retrieval + multimodal embed (Gemini) 04:11 Demo: searching code with LightRAG (rag search/ask) 05:59 RAG index full: how to reindex everything (Gemini cost) Flash) 06:40 LightRAG as Claude Code's native MCP 07:36 Setup from scratch: rag init + 500-line prompt 08:09 Alien Community (where to get the material) 09:10 Interactive configuration (provider, gitignore, API key) 11:23 Cloud Opus 4.7 with low effort (justification) 12:22 How to open the Obsidian vault and visualize the graph 13:45 How LightRAG embeds entities (Calendar example) 15:48 Source venv: the detail that gets 90% of people 16:42 Why each project has its own virtual environment 🔗 Links mentioned: • Obsidian: https://obsidian.md/ • Claude Code: https://claude.com/product/claude-code ⚡ Follow me: 📷 Instagram: @eduardocarezia 💼 LinkedIn: linkedin.com/in/eduardocarezia Related searches: claude code obsidian setup, second brain obsidian, rag local without paying, karpathy claude code method, notion ai alternative, obsidian claude code Portuguese, claude code skills tutorial, obsidian ia #claudecode #obsidian #secondbrain