Tag: second-brain

From Notes to a Personal Operating System: Building My AI-Ready Second Brain

June 18, 2026 ai second-brain knowledge-management obsidian context-engineering pkm personal-operating-system markdown git mcp productivity kage-archive digital-garden agents-md

How I built Kage Archive — a personal operating system for fragmented notes, knowledge graphs, and AI-ready context using Obsidian, Markdown, and Git.