Guides

The craft of building with AI

Not steps — judgment. Opinionated playbooks on how to actually work with a coding agent, ship fast without shipping junk, and get better at the parts the AI can't do for you.

Working with agents · 9 min read

Write a rules file your agent respects

Every coding agent — Claude Code, Cursor, Windsurf, Copilot — reads a rules file before it touches your code. Most people write theirs like a wishlist and then wonder why the agent ignores it. A rules file is not documentation; it's a control surface. Here's how to write one the agent actually obeys.

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