Prompt generator Claude Code · Grok Build No gate, no limit, no truncation

Ratchet
Loop

Tell an AI agent what to build and what good looks like. This writes the prompt for you, grabs your reference screenshots, and hands you a ready-to-run kit. Every round has to beat the one before it — so it keeps the best, not the last.

What is a Ratchet Loop

0 / 6 · advances only

Brief No — Only the first box is required
0 chars

Say what the finished thing has to do. Don’t name the tools or how to build it — that limits the result to what you already thought of. Write as much as you like: nothing is ever cut, and the box scrolls instead of pushing the page down.

02 · The bar — what does good look like? no references

Give it something real to aim at — a site, a file, a screenshot, or just a sentence. It has to be something the agent can actually open and hold up next to its own work. Leave this empty and finding one becomes the run's first job.

Drop a file here, or pick any of these — they all work from the keyboard too:

Typed path
The agent opens it directly. Prefer one relative to your repo — refs/ or ./refs/hud.png — because that resolves wherever the run works. An absolute path like C:\refs only opens if the agent is on this machine, and a sandboxed one is not.
Dropped file
Browsers only give us the file name, never the folder. Tell us the folder once and we remember it.
Uploaded
Becomes a web link any agent can open from anywhere. Use this if you are sharing with a team.
A web link
We screenshot it for you, desktop and phone, plus the text of the page. Real pictures, or an honest blank if it would not load.
  • Capture · Kind · Reference · StateThe bar is empty. Everything you add shows up here — exactly what the agent will be given, anything wrong with it, and the screenshots where we have them.
03 · Where it runs Claude Code
04 · Loop strength — each one adds to the one before it Duel

We pick one for you from your brief. This line always says why, and clicking a plate overrides it.

05 · Caps — optional, and you should no caps

Leave one blank and the prompt says so in words, so the run knows you meant it and cannot invent a limit of its own. That has bitten someone: they left this empty expecting no limit, the run read “set a maximum round count”, picked 8, and stopped there. A Ratchet run wants 25–30 rounds to be worth its price.

Cost These runs can reach hundreds of dollars. Nothing here stops that but you — set a cap you can afford to lose, and keep an eye on it.

06 · What must always be true — optional, and worth more than the rest nothing of your own

Everything else the agent checks, it decided on by reading your brief. This one it cannot touch or reword. It runs every round exactly as you wrote it, which makes it the only part of the run that is entirely yours. One sentence is enough.

Plain words. The agent works out how to test it — your sentence stays exactly as written, and the test has to fit it, never the other way round.

Nothing uploaded. A script is the strongest version of this: it runs exactly as written, with nothing left to interpret.

These are always checked, whatever you write above. No errors in the console, the same result twice in a row, everything reachable by keyboard, no calls out to anyone else’s servers, and never slower or heavier than the first version was. Those last two have no fixed number — the first round measures itself and that becomes the limit. If a check genuinely does not apply, the agent has to say so in writing, and you can disagree.

The second one writes a different, much shorter prompt: go and find three to five real references, propose the criteria with the measurement that decides each, propose the sealed suite, sketch what it would and would not build — then stop, so you can disagree before the money is spent. Cut what is wrong and bring it back here.

The filed brief

Unfiled 


        
        
Nothing filed yet.


          Your prompt appears here, whole and ready to copy — nothing is ever cut short.
          It includes your goal, every reference and how to get it, how the loop works, your
          limits, and when to stop.