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The article describes a method for transforming an Obsidian note-taking vault into a business operating system by integrating Claude Code via Model Context Protocol (MCP). It details the architecture, folder structure, and five specialized systems that automate research, content production, and project management using local file access.
YC CEO Garry Tan has open-sourced his personal AI operating system, GBrain. This system leverages AI agents to achieve deep book mirroring, automatic meeting prep, and skill-based workflows, aiming to build a personal knowledge management system with compound interest effects.
OpenHuman is an open-source desktop AI agent that runs locally on your machine, offering privacy-focused integrations with apps like Gmail and Slack, and challenging subscription-based SaaS AI models.
SuperBrain is a self-hosted, AI-powered second brain application for Android devices, enabling personal knowledge management on-device.