K8sCortex - Kubernetes MCP Server

How to connect

• list_pods

  Lists pods in a specific namespace.

• get_pod_logs

  Retrieves logs for a specific pod.

• describe_pod

  Shows detailed pod status including container states, conditions, resource settings, and recent events.

• describe_deployment

  Shows details of a deployment.

• list_nodes

  Lists cluster nodes.

• list_statefulsets

  Lists StatefulSets in a specific namespace.

• describe_statefulset

  Shows details of a StatefulSet.

• list_daemonsets

  Lists DaemonSets in a specific namespace.

• describe_daemonset

  Shows details of a DaemonSet.

• scale_deployment

  Scales replicas for a deployment.

• rollout_status

  Checks deployment rollout status (complete, in-progress, or stalled).

• rollout_undo

  Rolls a deployment back to the previous ReplicaSet template.

• restart_pod

  Deletes a pod to force a restart. Usually managed by a deployment/replicaset.

• get_configmap

  Reads data from a ConfigMap.

• describe_namespace_quota

  Reads resource quotas for a namespace.

• list_events

  Lists recent cluster events for a namespace.

• list_persistent_volume_claims

  Lists PersistentVolumeClaims in a specific namespace with binding and capacity details.

• get_effective_permissions

  Evaluates effective Kubernetes API permissions for a ServiceAccount using SubjectAccessReview checks.

• get_hpa_status

  Retrieves Horizontal Pod Autoscaler metrics and status.

• list_warning_events

  Filters cluster events for warnings in a namespace.

• get_node_pressure

  Analyzes node resource pressure for a specific node.

• list_clusters

  Lists all registered Kubernetes clusters managed by KubeNexus.

• get_cluster_info

  Returns API server URL, Kubernetes version, node count, and cloud metadata for a given cluster.

• list_jobs

  Lists Jobs in a specific namespace.

• create_job

  Creates a new Job. Use either basic configuration or provide a raw YAML manifest.

• list_cronjobs

  Lists CronJobs in a specific namespace.

• suspend_cronjob

  Suspends an active CronJob.

• resume_cronjob

  Resumes a suspended CronJob.

• create_configmap

  Creates a new ConfigMap. Use either basic key-value data or provide a raw YAML manifest.

• update_configmap

  Updates an existing ConfigMap by patching its data.

• create_secret

  Creates a new Opaque Secret. Use either basic stringData or provide a raw YAML manifest. stringData values will be base64-encoded automatically.

• update_secret

  Updates an existing Secret by patching its stringData. KNOWN LIMITATION: The Kubernetes API never returns stringData on read (it is write-only); the API server stores values as base64 in the data field. This means the client-side merge only contains the keys passed in args.stringData — existing keys not included in the request will be silently dropped. If you need to preserve existing keys, read them first via get_secret and re-supply all values.

• create_deployment

  Creates a new Deployment. Use either basic configuration or provide a raw YAML manifest.

• delete_deployment

  Deletes an existing Deployment.

• create_namespace

  Creates a new Kubernetes Namespace.

• delete_namespace

  Deletes an existing Kubernetes Namespace.

• create_horizontal_pod_autoscaler

  Creates an HPA for a Deployment. Use either basic configuration or provide a raw YAML manifest.

• create_service

  Creates a new Service. Use either basic configuration or provide a raw YAML manifest.

• list_ingresses

  Lists Ingress resources in a namespace.

• get_service_endpoints

  Shows endpoint addresses backing a Service.

• update_ingress

  Updates an existing Ingress. Merges new rules or annotations into the existing Ingress.

• create_network_policy

  Creates a new NetworkPolicy. Use either basic configuration or provide a raw YAML manifest.

• set_resource_limits

  Sets CPU and Memory requests and limits for a specific container in a Deployment.

• get_resource_recommendations

  Suggests optimal resource requests/limits based on current metrics heuristically.

• get_cluster_resource_utilisation

  Returns CPU and Memory usage vs capacity across all nodes.

• cordon_node

  Marks a node as unschedulable.

• uncordon_node

  Marks a node as schedulable.

• drain_node

  Cordons the node and evicts/deletes non-daemonset pods.

• taint_node

  Adds a taint to a node.

• remove_taint

  Removes a specific taint from a node by key.

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