# 163 I Built the ULTIMATE AI Second Brain (Karpathy's LLM Wiki Setup Guide)

Building a compounding AI-powered second brain requires a structured approach using the Hermes agent, which offers superior automation compared to tools like Obsidian or Open Interpreter. The Hermes system functions through a clear division of labor: humans curate raw sources, while the agent ingests, summarizes, and organizes them into a searchable wiki. Key features include a self-improving learning loop that proactively creates skills, persistent memory, and a "Lint" function for periodic health checks of the knowledge base. Deploying Hermes on a virtual private server via Hostinger ensures constant availability and privacy without requiring coding expertise. By utilizing the Mark Download browser extension to feed markdown files into the agent, users create a dynamic, evolving repository that grows more intelligent over time, ultimately providing a significant competitive advantage in managing complex information.