Rancher MCP Server

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Features

A Model Context Protocol (MCP) server for Rancher multi-cluster management.

• Multi-cluster Management: Access Kubernetes clusters through the Rancher API or configured kubeconfig paths
• Kubernetes Resources via Steve API: CRUD operations on any resource type
  • Get/List any resource (Pod, Deployment, Service, ConfigMap, Secret, CRD, etc.)
  • Create resources from JSON manifests
  • Patch resources using JSON Patch (RFC 6902)
  • Delete resources
  • Describe resources with related events (similar to kubectl describe)
  • List and filter Kubernetes events by namespace, object name, and object kind
  • Query container logs with filtering (tail lines, time range, timestamps, keyword search)
  • Multi-pod log aggregation via label selector with time-based sorting
  • View rollout history for Deployments
  • Inspect node state and resource usage
  • Inspect pods with parent workload, metrics, and logs
  • Show dependency/dependent trees for any resource (inspired by kube-lineage)
  • Get all resources (inspired by ketall): List all Kubernetes resources including ConfigMaps, Secrets, RBAC, CRDs
  • Compare resource versions (kubernetes_diff): Show git-style diffs between two resource versions
  • Watch resource changes (kubernetes_watch): Monitor resources and return git-style diffs at regular intervals
  • Resource capacity overview (inspired by kube-capacity): Show cluster resource capacity, requests, limits, and utilization
  • Resource top ranking (kubernetes_top): Rank pods or nodes by CPU/memory usage, requests, limits, or restart count
  • Workload health summary (kubernetes_workload_health): Health overview for Deployments, StatefulSets, and DaemonSets with ready/desired ratios and status derivation
  • Resource summary by group (kubernetes_resource_summary): Aggregate pod resources by namespace or label key with totals for requests/limits
  • Event pattern analysis (kubernetes_event_summary): Group and rank events by reason, kind, and frequency to identify recurring issues
• Rancher Resources via Norman API: List clusters and projects