Audit of 4 YC agent startups: two created duplicate orders, one reused a one-time token

merlinofthewater · reddit · 2026-10-28

A developer is building Cellaflow, a coordination layer for AI agents that prevents duplicate actions — the side effects that occur when an agent crashes and retries or when multiple agents race to do the same thing, leading to duplicate orders or payments. The engine coordinates each action, records its result, and shares it with other agents.

Citing an audit of agents from 4 YC-backed companies: two created duplicate orders and one reused a one-time token, completely breaking a customer integration. The author is seeking a design partner running agents in production, particularly those interacting with external systems via browser automation or APIs, and will help with the integration personally.

Original post →

More from coding & agent

coding & agent channel →