MCP Kubernetes Server

Instructions

Args:
    resource_type: Type of the resource (e.g., pod, service, deployment)
    resource_name: Name of the resource to label
    label: Label to add (e.g., key=value)
    namespace: Namespace of the resource

Implementation Reference

• kubernetes.py:280-295 (handler)

  The main handler function for the 'label_resource' tool, decorated with @mcp.tool() for registration. It uses kubectl label to add a label to a Kubernetes resource.

  async def label_resource(resource_type: str, resource_name: str, label: str, namespace: str = "default") -> dict:
      """Label a Kubernetes resource with the specified label
  
      Args:
          resource_type: Type of the resource (e.g., pod, service, deployment)
          resource_name: Name of the resource to label
          label: Label to add (e.g., key=value)
          namespace: Namespace of the resource
      """
      try:
          cmd = ["kubectl", "label", resource_type, resource_name, label, "-n", namespace, "--overwrite"]
          result = subprocess.run(cmd, capture_output=True, text=True, check=True)
          return {"message": f"Resource {resource_type}/{resource_name} labeled successfully in namespace {namespace}",
                  "details": result.stdout}
      except subprocess.CalledProcessError as e:
          return {"error": f"Failed to label resource: {str(e)}"}