How to Write Rules Files for AI Coding Agents
Rules files tell AI coding agents how your repo works. Learn what AGENTS.md, CLAUDE.md, Cursor rules, and Copilot instructions need, plus mistakes to avoid.

Rules files tell AI coding agents how your repo works. Learn what AGENTS.md, CLAUDE.md, Cursor rules, and Copilot instructions need, plus mistakes to avoid.

Spec-driven development makes AI agents build what you actually meant. See how GitHub Spec Kit and Kiro work, plus when skipping the spec process is fine.

There was a time, not so long ago, when the idea of a billion-dollar valuation attached to a solitary founder seemed ludicrous. It was the stuff of Silicon Valley folklore—technically possible in a fever dream, but practically impossible in a landscape that demanded Chief Technology Officers, armies of backend engineers, and burn rates that would […]