Source · updated 30 October

Today's Launch HN posts from Y Combinator companies

We collected 1 Launch HN posts on 30 October 2026; 1 of them made the top 100 of the Daily Launch ranking. 5 launches from Launch HN have ranked since 14 October 2026, newest first. The ranking is rebuilt every morning by 09:00 UTC.

What we read: Launch HN posts by Y Combinator companies, from the same public API.
What counts: Points on the post, read the same way as Show HN.
Terms we follow: Public API. We link to the HN thread.

36
Simantic
Run, inspect, and test real firmware on simulated hardware, from a single MCU to connected devices. Learn…
Launch HN from YC F26 · 64 points
38
Alter
PAM for AI agents, enforced at runtime: vaulted credentials, per-action policy, approval before risky…
Launch HN from YC S25 · 60 points
43
Respan
The AI router with built-in observability & automated evals.
Launch HN from YC W24 · 48 points
29
Laminar
Open-source platform to trace, evaluate, and debug AI agents. Laminar surfaces agent failures, and helps…
Launch HN from YC S24 · 58 points
85
Consus
Compliant AI infrastructure for companies handling sensitive data.
Launch HN from YC F24 · 36 points

Numbers are each launch's overall rank on its most recent day. How we rank