What if your AI coding partner could rewind mistakes without burning through tokens like a rocket guzzling fuel?
That’s the question ckpt answers — this slick CLI tool I’ve been geeking out over, automatic checkpoints for AI coding sessions that feel like magic.
Built by a dev fed up with agents like Cursor or Aider rewriting entire codebases from scratch after one tiny slip. Picture it: your AI touches 20 files in a frenzy, breaks something critical, then… poof, it re-reads everything, reasons anew, tokens evaporating. ckpt watches silently, snapping git commits at every twitch.
Run ckpt watch, let the agent loose. Boom — timeline preserved. ckpt steps shows the play-by-play. ckpt restore 3 zaps you back, milliseconds, zero cost. It’s git, pure and simple, on a hidden branch. No bloat. Just power.
Why Do AI Agents Need Checkpoints Right Now?
Agents aren’t humans with muscle memory. They lack Ctrl+Z. Breakage? They loop: analyze, rewrite, repeat. Hundreds, thousands of tokens per cycle — that’s real money, real time lost.
ckpt flips the script. Agents can invoke it themselves. Add to the system prompt: “If broken, ckpt restore <step> before fixing.” Self-healing. No human babysitting.
And here’s my hot take, the insight nobody’s shouting yet: this echoes the browser wars of the ’90s, when Netscape added bookmarks and history, taming the wild web. ckpt bookmarks AI’s chaotic code sprints. Bold prediction? In two years, checkpointing isn’t optional — it’s the git of agentic AI, baked into every workflow, slashing costs 50% overnight.
AI agents edit your code in rapid bursts — 5, 10, 20 files at once. When something breaks, you have two bad options: - Undo everything — lose all the good changes too - Manually figure out which change broke things — painful and slow
Spot on. That’s the original creator nailing the pain.
Short para for punch: Game over for token trash fires.
How Does ckpt Actually Work — Step by Wild Step?
Install: npm install -g @mohshomis/ckpt. Dead simple.
Fire up ckpt watch. Agent edits? Auto-commit, timestamped, diff-ready.
Mid-chaos? ckpt steps lists ‘em: Step 1: added login route. Step 7: nuked the database connector (oops).
Restore: ckpt restore 3. Back to glory. Branch wild: ckpt try approach-a -r 2 — fork from step 2, experiment free. ckpt trydiff approach-a diffs paths. IDEs dream of this.
Endgame? ckpt end squashes to one pristine git commit. Sessions persist forever — ckpt log forever yours.
It’s terminal-native. Claude Code, Codex, Aider? They run shell, they run ckpt. Cursor, Kiro? Prompt ‘em to CLI it.
But wait — corporate IDE spin alert. Cursor touts timeline, Kiro revert. Cute buttons for humans. Agents? Blind. ckpt empowers the machines. That’s the shift.
Analogy time: like giving a drunk chef an infinite undo on a flaming kitchen. Wonder sparks — AI coding just leaped from toddler tantrums to pro chef precision.
ckpt vs. IDE Titans: The Knockout Punch
Cursor’s timeline? UI-locked, vanishes on close. Kiro revert? All-or-nothing blast.
ckpt? Agent-autonomous. Branching. Persistent. Token-free rewinds.
Terminal agents — Aider, Windsurf — had zilch. Now? Supercharged.
One caveat (yeah, I’m skeptical too): early days, so test your agent’s shell savvy. But MIT open source — fork it, break it, love it.
Energy building? This isn’t hype. It’s the platform pivot: AI as co-pilot graduates to self-correcting engine.
Look, devs — slap this in your workflow. Watch costs plummet, productivity soar. The future’s checkpointed.
And branching? Mind-blower. Agent flails on Approach A? ckpt try approach-b. Parallel universes of code, git-powered. No IDE touches that.
Will ckpt Kill the Token-Waste Era?
Yes. Absolutely.
Because here’s the wonder: it makes agents reliable at scale. Imagine 100-file refactors — safe, rewindable. That’s when AI truly disrupts solo dev.
Feedback loop? Creator’s begging: repo’s open. Missing hooks for VS Code? Agent-specific prompts? Dive in.
Single sentence thrill: ckpt isn’t a tool; it’s liberation.
Dense dive: Persistent history means learning across sessions — ckpt log as your AI’s memory palace. Train on past fails without re-prompting epics. Costs? Slashed. Speed? Blazing. And that ckpt end squash? Git history clean as a whistle, no merge hell.
Parenthetical aside: (Why npm? Node’s everywhere; agents love it.)
So, yeah — install it. Prompt your bot. Watch the magic.
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Frequently Asked Questions
What is ckpt and how do I install it?
ckpt is a CLI for auto-checkpoints in AI coding. npm install -g @mohshomis/ckpt — done.
Does ckpt work with Cursor or Aider?
Yep, any shell-running agent: Cursor, Kiro, Claude Code, Aider, Codex. Prompt it to use ckpt watch.
Is ckpt free and open source?
MIT license, fully open. GitHub repo ready for your tweaks.
