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Brex Crab Trap HTTP proxy for monitoring agent traffic

April 6, 2026This Week in Startups

This Week in Startups says Brex plans to open-source Crab Trap, an HTTP proxy that routes agent traffic through a second LLM to detect bad behavior in real time without the monitored agent knowing.

Brex plans to open-source "Crab Trap": an HTTP proxy that routes all AI agent traffic through a second LLM to catch bad behavior in real time.
The agent being monitored doesn't even know it's happening.
This Week in Startups
open sourcesecurityproxyllmopen source

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