I Built ckpt: Automatic Checkpoints for AI Coding...

AI agents don't have Ctrl+Z. When they break your code, they don't undo. They re-read every file, reason about what went wrong, rewrite from scratch — burning tokens on code they already had right. Sometimes the "fix" breaks something else. And the cycle repeats. I got tired of watching this happen, so I built ckpt. What is ckpt? ckpt is a CLI tool that runs in the background and auto-snapshots every change your AI coding agent makes. You get a full timeline of every step, and you can restore to