{"id":"opsdockerimage-metrics-server-metrics-server","name":"metrics-server-metrics-server","af_score":41.8,"security_score":65.2,"reliability_score":53.8,"what_it_does":"metrics-server-metrics-server appears to refer to the Kubernetes metrics-server component, which aggregates resource usage metrics (CPU/memory) from node Kubelets and exposes them via the Kubernetes metrics.k8s.io API so tools like kubectl top and Horizontal Pod Autoscaler can consume them.","best_when":"You need basic Kubernetes resource metrics (CPU/memory) to power kubectl top and autoscaling, and you can operate a standard Kubernetes add-on within your cluster.","avoid_when":"You require long-term retention, complex metric queries, or guaranteed metric accuracy across all workloads without tuning.","last_evaluated":"2026-04-04T21:24:09.624961+00:00","has_mcp":false,"has_api":true,"auth_methods":["Kubernetes in-cluster authentication (service account / RBAC)","Kubelet authentication as configured in the metrics-server deployment"],"has_free_tier":false,"known_gotchas":["Metrics-server may fail to report metrics if kubelet TLS/auth configuration does not match the cluster setup","Metrics may be delayed or missing for certain workload types depending on scrape/aggregation behavior","HPA or kubectl top will show errors/timeouts when metrics.k8s.io is unavailable or RBAC is misconfigured"],"error_quality":0.0}