Kubernetes MCP Server

Instructions

Implementation Reference

• server.js:1517-1525 (handler)

  The handler function for the 'list-all' tool that executes 'kubectl get all -o wide' in the specified namespace to list all Kubernetes resources.

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

• server.js:162-174 (schema)

  The tool metadata including name, description, and input schema definition for the 'list-all' tool, which is part of the tools array registered with the server.

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

• server.js:1392-1394 (registration)

  The registration of the tools list handler, which includes the 'list-all' tool in the returned tools array.

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