A screenshot of every failure
Captured the instant the page broke, from the agent's own browser, at the screen size it was using.
Break your website before your users do.
Paste a URL. A swarm of AI users rage-clicks, types junk, drops the network, and squeezes the screen on every viewport. Every bug comes back with a screenshot, the exact steps to reproduce, and a fix you can ship.
How it works
Three steps, about three minutes.
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01
Paste your URL
Staging, preview or production. Choose how many agents and how long they get.
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02
The swarm attacks
Each agent has a personality: the rage-clicker, the phone user, the form-filler, the commuter on a dead connection. You watch every one of them live.
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03
Get bugs and fixes
Crashes, failed requests, blank screens, frozen tabs, broken links and layouts that spill off the screen, each with a suggested fix.
What you get back
Evidence, not a vague bug ticket.
Exact steps to reproduce
Replay them in a fresh browser to prove the bug is real, and shrink them to the shortest list that still breaks it.
Fixes written by Nemotron 3 Ultra
Ultra reads the error, the page and the steps, explains the cause in plain words, and proposes the change.
Real code diffs, if you share the source
Point it at your project folder and the fix becomes a diff you can apply, verify by replaying, and undo.
Anatomy of a bug report
What lands on your desk.
High
Crash after rage-clicking “Add to bag”
The page went blank after the fourth fast click. TypeError: Cannot read properties of undefined (reading 'sku')
aangan.shop
Rage-clicker
Steps to reproduce
- Open the shop on a 1280 × 800 screen
- Select “Handwoven Merino Wool Throw”
- Click Add to bag 6 times, fast
Suggested fix Nemotron 3 Ultra, 92% confident
src/components/ProductPanel.jsx@@ -12,4 +12,6 @@ function onBuy() {- const unit = product.units[cart.length]- setCart((items) => [...items, unit])+ setCart((items) => {+ const unit = product.units[items.length]+ return unit ? [...items, unit] : items+ }) }
Agents think with Nemotron Nano. Fixes are written by Nemotron 3 Ultra. Both run on Nebius Token Factory.