Harness Engineering
What Harness Engineering is and how to prepare your repository to work with AI agents in a safe, predictable and productive way.
How to build a second brain with Claude Code and Obsidian
Context Engineering and your AI agent's knowledge base.
Context Engineering - Part 3: Spec-Driven Development
Instead of one giant prompt and hoping for the best, markdown specs become the source of truth: PRD, Tech Spec, tasks, review and QA, step by step with Claude Code.
Context Engineering - Part 2: Rules vs Skills
How to give your AI agent memory and abilities: what always applies becomes a Rule, what only applies to one task becomes a Skill.
Context Engineering - Part 1: The Context Window
What actually goes to the server when you talk to an AI tool, and why it changes the way you use Claude Code, Cursor or Copilot.
Hello World
The first post on root@dev.