{"id":"kubesphere-kube-apiserver","name":"kube-apiserver","af_score":55.0,"security_score":78.2,"reliability_score":58.8,"what_it_does":"Kubernetes kube-apiserver is the core Kubernetes control-plane API server that exposes the Kubernetes REST API, performs authentication/authorization, validates requests, and coordinates persistence and admission of cluster state changes.","best_when":"You need a production-grade Kubernetes control plane with a consistent API surface for all cluster management operations.","avoid_when":"You need a lightweight single-purpose API or cannot operate Kubernetes networking, certificates, and control-plane dependencies.","last_evaluated":"2026-04-04T19:35:19.348204+00:00","has_mcp":false,"has_api":true,"auth_methods":["Client TLS authentication (x509 certificates)","Bearer token authentication (e.g., service account tokens, bootstrap tokens)","Webhook authentication (config-dependent)","Authorization via RBAC (Role/ClusterRole + bindings)","Webhook authorization (config-dependent)","Node authorizer (config-dependent)"],"has_free_tier":false,"known_gotchas":["Optimistic concurrency via resourceVersion: updates can fail with 409 Conflict if preconditions are stale","Some write operations are not strictly idempotent unless using the right HTTP method/strategy and preconditions","Large list operations are commonly handled with pagination parameters and/or watches; naive listing may be expensive","Authorization failures (403) vs authentication failures (401) depend on configured authn/authz; agents should not retry blindly on 4xx","Admission webhooks can introduce latency and intermittent failures; agents may need to treat transient webhook errors as retryable depending on status codes and timeout behavior"],"error_quality":null}