{"id":"dyrnq-kube-apiserver","name":"kube-apiserver","homepage":"https://hub.docker.com/r/dyrnq/kube-apiserver","repo_url":"https://hub.docker.com/r/dyrnq/kube-apiserver","category":"infrastructure","subcategories":[],"tags":["infrastructure","kubernetes","control-plane","api","rest","authz","admission-control"],"what_it_does":"kube-apiserver is the Kubernetes API server component. It provides the cluster’s Kubernetes REST API endpoints for managing and querying Kubernetes resources, including authentication/authorization, admission control, and request handling.","use_cases":["Run a Kubernetes control plane and expose the Kubernetes API to kubectl, controllers, and operators","Automate cluster operations by calling Kubernetes API endpoints","Build or test Kubernetes controllers/operators that interact with cluster resources","Implement admission policies and API request handling via Kubernetes extensibility mechanisms"],"not_for":["Directly acting as a public Internet-facing API without proper network controls and cluster security hardening","Generic CRUD service outside of Kubernetes resource semantics","As a standalone managed SaaS API provider with built-in auth/rate limits for external users"],"best_when":"You are deploying or operating a Kubernetes control plane and need standards-based Kubernetes API access for cluster management.","avoid_when":"You need a simple, single-tenant API with a dedicated external API contract and turnkey authentication/rate-limit management; instead, use a service with explicit HTTP API docs and client SDKs tailored to external consumption.","alternatives":["Managed Kubernetes API endpoints (from cloud providers)","Kubernetes API client libraries (client-go, Kubernetes Python/Java clients) used against kube-apiserver","Other control-plane API proxies/gateways (with caution) such as API aggregation frontends"],"af_score":59.0,"security_score":74.2,"reliability_score":52.5,"package_type":"mcp_server","discovery_source":["docker_mcp"],"priority":"low","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-04-04T21:31:21.585437+00:00","interface":{"has_rest_api":true,"has_graphql":false,"has_grpc":false,"has_mcp_server":false,"mcp_server_url":null,"has_sdk":true,"sdk_languages":["Go","Python","Java","JavaScript/TypeScript","Ruby","C# (via community/official clients where applicable)","Other community clients"],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":["X.509 client certificates","Bearer tokens (e.g., service account tokens)","Kubeconfig-based authentication to the API server","Webhook/aggregated auth modes via Kubernetes configuration (cluster-dependent)"],"oauth":false,"scopes":false,"notes":"Auth is configured server-side via Kubernetes authentication/authorization modes. It is not a single uniform OAuth flow; it typically relies on cluster RBAC and configured identity providers. Fine-grained authorization is generally achieved via Kubernetes RBAC rather than OAuth scopes exposed by the API server itself."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"Self-hosted open-source component; costs are infrastructure/operations related."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":59.0,"security_score":74.2,"reliability_score":52.5,"mcp_server_quality":0.0,"documentation_accuracy":35.0,"error_message_quality":0.0,"error_message_notes":"No package-specific README content was provided here; Kubernetes API errors are generally structured (HTTP status codes with Kubernetes Status/Reason/Message), but specific guidance for agents is not assessed from the provided input.","auth_complexity":35.0,"rate_limit_clarity":40.0,"tls_enforcement":95.0,"auth_strength":85.0,"scope_granularity":75.0,"dependency_hygiene":60.0,"secret_handling":50.0,"security_notes":"Security strongly depends on cluster configuration. kube-apiserver supports TLS, authentication mechanisms, and Kubernetes RBAC/authorization and admission control. Agents must treat tokens/certs as sensitive and should not log credentials. Dependency hygiene is not assessable from provided input; score reflects general maturity of Kubernetes ecosystem but lacks concrete CVE/lockfile evidence here.","uptime_documented":40.0,"version_stability":70.0,"breaking_changes_history":50.0,"error_recovery":50.0,"idempotency_support":"true","idempotency_notes":"Many kube-apiserver operations are not strictly idempotent at the HTTP level (e.g., create vs update), but agents can use safe patterns such as GET for reads, server-side apply/update semantics, and retry with care depending on the verb and resourceVersion/conditions.","pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Kubernetes API semantics depend on resource types, subresources, and RBAC; authorization failures may occur as 401/403.","Large list/watch operations often require pagination via Kubernetes conventions (continue tokens) and/or watch-based processing; naive clients may miss data.","Requests may be rate-limited or throttled by API server and etcd; backoff/retry behavior must be implemented with attention to status codes.","Admission controllers can reject requests with policy errors; retries may not succeed unless the input changes.","Idempotency and concurrency control often rely on optimistic concurrency (e.g., resourceVersion) rather than HTTP idempotency keys."]}}