{"id":"eipwork-metrics-server","name":"metrics-server","af_score":29.2,"security_score":54.2,"reliability_score":37.5,"what_it_does":"metrics-server is a Kubernetes add-on that aggregates resource usage metrics (CPU/memory) from kubelets and makes them available to the Kubernetes Metrics API (used by Horizontal Pod Autoscaler and kubectl top).","best_when":"You need Kubernetes resource metrics via the Metrics API and have a standard Kubernetes environment where kubelet endpoints are reachable.","avoid_when":"Your environment cannot reach kubelets/metrics endpoints due to network policies/firewalls, or you require only application-level metrics.","last_evaluated":"2026-04-04T19:56:25.928075+00:00","has_mcp":false,"has_api":false,"auth_methods":["Kubernetes RBAC (service account permissions to access metrics endpoints and register APIService)"],"has_free_tier":false,"known_gotchas":["metrics-server is deployed in Kubernetes; agent automation must handle manifests/Helm and cluster-specific RBAC/networking","metrics collection can fail due to kubelet auth/TLS/network-policy issues; those failures may not be exposed via a simple external API","behavior varies by Kubernetes version; compatibility issues can appear during upgrades"],"error_quality":0.0}