Brex Launches CrabTrap to Secure AI Agents from API Misuse

• •Brex has open-sourced CrabTrap to enhance security for AI agents accessing APIs.
• •The platform uses an AI model to evaluate and control network requests in real-time.
• •CrabTrap has attracted interest from notable tech figures and organizations.

Brex has developed and open-sourced CrabTrap, an HTTP/HTTPS proxy designed to monitor and control AI agents' access to APIs and credentials. Traditional security measures were found inadequate for managing agents with API keys and OAuth tokens. CrabTrap intercepts network traffic and utilizes an AI model to evaluate requests in real-time, approving or denying them based on established policies. The platform operates across various programming languages and frameworks without requiring specific SDK integrations. Brex's internal testing revealed that the AI judge activates for less than 3% of requests after agents demonstrate predictable behavior. The system also includes a policy generator that drafts rules based on historical traffic patterns. Brex aims to enhance CrabTrap with additional security features, including single sign-on and role-based access controls. The open-source project has gained significant attention, attracting over 700 GitHub stars.