You ship an app built with Replit Agent. The next morning it returns HTTP 500 errors, but nobody opens the logs until a customer complains. Turning on every “AI fix” option is not the only response. Replit separates alerts, attempted fixes, and automatic republishing. Choosing those controls in stages can protect a live product from an unreviewed change. Replit's official Monitoring Agent documentation names the three settings Monitoring alerts, Auto-fix, and Auto-republish. It says Auto-republish is experimental and requires Auto-fix. This guide is based on official pages reviewed October 25, 2026. SoyJB has not enabled the settings or observed a real incident in its own Replit app. Open Monitoring under Replit Cloud after your app is published. Replit's monitoring guide describes uptime, request volume, HTTP status codes, response duration, CPU, memory, and production logs. A graph tells you where to investigate, not the underlying business cause. A 500 spike after a release points you toward that revision; rising latency may come from traffic or a third-party dependency. Monitoring starts after publication. Replit says uptime checks require a paid plan and are unavailable for…