Kubernetes MCP Server

Instructions

Implementation Reference

• server.js:1489-1497 (handler)

  Handler function that executes the kubectl command to list Kubernetes ingresses in the specified or default namespace, returning the output.

  case "list-ingresses": {
    const { namespace } = args || {};
    const nsArg = namespace ? `-n ${namespace}` : "";
    const cmd = `kubectl get ingresses ${nsArg} -o wide`;
    const { stdout } = await execAsync(cmd);
    return {
      content: [{ type: "text", text: stdout || "No ingresses found" }]
    };
  }

• server.js:128-139 (schema)

  Schema definition for the list-ingresses tool, specifying the optional namespace parameter.

  {
    name: "list-ingresses",
    description: "List Kubernetes ingresses in a namespace",
    inputSchema: {
      type: "object",
      properties: {
        namespace: { 
          type: "string",
          description: "The namespace to list ingresses from (optional, defaults to current context namespace)"
        }
      }
    }

• server.js:1392-1394 (registration)

  Registration of the tools list handler, which includes the list-ingresses tool in the returned tools array for tool discovery.

  server.setRequestHandler(ListToolsRequestSchema, async () => {
    return { tools };
  });