wei-wei
@wuweiweiwu
CEO @momenticai | Catching the bugs your AI agents ship to prod
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2013: garry tan builds bookface, a literal book of faces for YC founders
2026: 4m lines running applications, interviews, startup school, cofounder matching, work at a startup, launch yc, and 350+ internal AI tools on one postgres
over 2m of those lines showed up since march.
they also got the whole thing onto the latest rails and react, first time since 2013.
YC still isn't a software company.
it just happens to run on 4m lines of its own, and that's the direction every company is walking in, whether or not they sell any.
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AI writes all your code. Does it still work?
That's the gap: coding agents are scaling output, but the same with bugs and incidents. The biggest bottleneck is QA: how can you make sure the code your agents just wrote doesn’t break everything?
The best QA are the ones who know everything about your product. Today, we give that knowledge to Momentic’s most capable agent.
Every Linear ticket, every PRD in Notion, every PR - Momentic knows all.
In just the past few weeks, our agents analyzed 70k+ test failures and created 600 tests. Achieving a 73% PR merge rate, and it’s growing fast.
We’re grateful for the trust of our customers, including Notion, Xero, Webflow, Retool, Runway, Bilt, and more.
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