A few months ago, we built a self-improving security agent called Sentinel to help protect OpenRouter users. It runs 24/7 across all activity to look for activity anomalies, signs of end-user account takeover, user key theft, and more. It continuously makes improvements based on signals from our trust and safety team, with a 0.05% action reversal rate (similar to false positive rate) this month. Anyone app can leverage its protection by implementing OpenRouter OAuth:…