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Comber
It clicks everything. You hear about what broke.
Comber is every-click QA for preview deploys. Point it at a URL and it explores your app like a real user — clicking, typing, navigating every reachable state — then files what broke with a repro, screenshot, and trace. One expensive AI run, then deterministic replays for cents, so it fits inside CI on every preview deploy. No test scripts to write, no selectors to maintain. Free to start; bring your own Anthropic key or let us run it.
hey PH — I built Comber because writing end-to-end tests felt like a second job. Scripted suites only catch what you thought to script, they rot the moment a selector moves, and the bug that ships is always on the path nobody wrote a test for.
So Comber goes the other way: point it at a URL — `npx comber check ` — and it explores your app like a person would, clicking and typing through every reachable state, watching the console, network, and accessibility tree. Anything broken comes back with a repro, screenshot, and trace.
The trick that makes it affordable: one expensive AI run maps the app, then every run after that is a deterministic replay that costs cents. That's what lets it live inside CI on every preview deploy instead of nightly.
Honest fine print: commercial, not open source. Free with your own Anthropic key; hosted plans if you'd rather not think about it. No card, no sales call.
It caught a real bug on its own homepage the week before this launch, so I trust it a little more than I did. Tell me where it breaks on yours — that's the feedback I actually want.
About Comber on Product Hunt
“It clicks everything. You hear about what broke.”
Comber was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #141 on the daily leaderboard. Comber is every-click QA for preview deploys. Point it at a URL and it explores your app like a real user — clicking, typing, navigating every reachable state — then files what broke with a repro, screenshot, and trace. One expensive AI run, then deterministic replays for cents, so it fits inside CI on every preview deploy. No test scripts to write, no selectors to maintain. Free to start; bring your own Anthropic key or let us run it.
On the analytics side, Comber competes within Software Engineering, Developer Tools and Artificial Intelligence — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how Comber performed against the three products that launched closest to it on the same day.
Who hunted Comber?
Comber was hunted by Ryan Davis. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Comber including community comment highlights and product details, visit the product overview.
Ryan Davis