ckpt: Automatic Undo for AI Coding Agents

When AI agents break code, they waste thousands of tokens re-reading and rewriting—ckpt eliminates this inefficiency with instant step-by-step rollback. Unlike IDE checkpoints that require manual interaction, ckpt integrates directly with AI agents, enabling self-correcting workflows where the agent itself can undo mistakes. For teams using terminal-based agents like Claude Code and Aider, ckpt is the first checkpoint system built specifically for agent-driven development.