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AIVentureBeat · 73d ago

Brex built its AI agent policy by watching what agents actually do, not by writing rules first

Brex built CrabTrap, an open-source HTTP/HTTPS proxy that intercepts agent network traffic and uses a large language model to approve or deny requests based on policy rules. The platform monitors every API call agents make at the network layer rather than relying on traditional SDK-level permissions or model guardrails.

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