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YC List Fall 2026

YC F26 · Active

Composal

Swarms of agents acting like users to find bugs before release

Class
Fall 2026
Status
Active
Industry
B2B
Location
London, England, United Kingdom
Team size
3

Website

https://composal.ai

About

Check features, not code. Composal sends a swarm of agents to use your product like your users do. They test real flows and edge cases to show you what works, what breaks, and if it’s ready to ship.