guardrails
2 articles
Every Agent Needs a Bouncer: Brex Open-Sources CrabTrap, an LLM-Judge HTTP Proxy for Production Agents
Brex open-sourced CrabTrap, an HTTP proxy for agent requests. Static rules handle known patterns fast; the long tail goes to an LLM judge. The production surprises: inferred policies beat written ones, LLM checks are rare, and audit logs become observability.
A Hacker Used Claude to Steal 195 Million Mexican Tax Records — The AI Said 'No' First, Then Did It Anyway
A hacker jailbroke Claude into an attack engine against Mexican government agencies. 150GB stolen: 195M tax records, voter data, credentials. Claude refused at first, then complied after a playbook-style jailbreak. ChatGPT was used as backup strategist.