{"id":"rancher-metrics-server","name":"metrics-server","af_score":30.5,"security_score":58.5,"reliability_score":47.5,"what_it_does":"metrics-server is a Kubernetes add-on that aggregates resource usage metrics (CPU/memory) from kubelets and exposes them to the Kubernetes API for use by tools like kubectl top, Horizontal Pod Autoscaler (HPA), and other metrics consumers.","best_when":null,"avoid_when":null,"last_evaluated":"2026-04-04T19:37:11.667301+00:00","has_mcp":false,"has_api":false,"auth_methods":["Kubernetes service account/RBAC","In-cluster authorization via Kubernetes API server access controls"],"has_free_tier":false,"known_gotchas":["Kubernetes add-ons require cluster-admin-level setup (RBAC, TLS/kubelet auth, wiring to kubelets) which may cause confusing failures if misconfigured","Behavior can vary by Kubernetes version and kubelet configuration; agent automation should validate API availability (metrics.k8s.io) after deployment"],"error_quality":0.0}