Protection Rings for AI Agents: How to Let Agents Code Without Letting Them Nuke Your Database
· 7 min read
Your AI coding agent has the same access as your senior engineer. Should it?
Right now, if you're using Cursor, Claude Code, Devin, or any AI coding agent — it can read and write every file in your repo. Auth logic? Database schemas? Deploy scripts? Secrets management? All fair game.
That's fine when humans write code. We know not to "optimize" authentication by skipping password verification. But agents moving at machine speed don't have that intuition. And a markdown file saying "please don't touch auth.js" is not a security boundary. It's a suggestion.
What happens when an agent helpfully refactors your authentication to remove "unnecessary" password checks?