NVR Proxy: Turning Security Cameras into Prometheus Metrics with Scheduled LLM Analysis

I wanted to track who&rsquo;s home without building a complex computer vision pipeline. The solution: schedule a local LLM to analyze security camera frames every 5 minutes, output structured JSON, and export the results as Prometheus metrics. Now Grafana shows me family presence over time. The Pattern: Scheduled Jobs → JSON → Prometheus The architecture is simple: Scheduled job captures a frame…