Launch HN: Momentic (YC W24) – Agents that catch bugs by using your app

Re:Launch HN: Momentic (YC W24) – Agents that catch bugs by ... by 2001zhaozhao on Monday November 02, 2026 @07:52PM (#50346520)

I think there is something here with the DAG exploration graph that systematically increase the surface area of exploration when the agents QA's an app.

But i suppose that this is only useful for codebase-wide bug sweeps? If one actually integrates it into a feature-by-feature agent loop, then the QA following each change is already narrow (since it only needs to test 1 changed feature), so this kind of exploration thoroughness optimization (in author's own words "recall") is less important.

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Re:Launch HN: Momentic (YC W24) – Agents that catch bugs by ... by momentichenry on Monday November 02, 2026 @08:41PM (#50346904)

I think it's true that our biggest gains vs other agents are in codebase-wide sweeps, because to your point, PR checks are limited in scope. However, there's still value in running Mo on those features because:

1. It should be pretty efficient using prior knowledge from other runs.

2. It helps expand the graph as your app evolves so that the DAG is always up to date.

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