I Built a Personal Second Brain with Markdown Files and Claude Code — Here's How

📰 Dev.to AI

Building a personal second brain using markdown files and Claude Code

intermediate Published 8 Apr 2026

Action Steps

Create a folder with raw/ and wiki/ subfolders
Drop in source documents, articles, transcripts
Use an LLM to ingest the raw files and build a knowledge base
Utilize Obsidian and Claude Code to manage and query the knowledge base

Who Needs to Know This

Developers, data scientists, and AI engineers can benefit from this approach to create a personal knowledge base, enhancing their productivity and information retrieval capabilities

Key Insight

💡 Using LLMs with markdown files can create a powerful personal knowledge base without requiring complex infrastructure