Kubernetes MCP Server

Instructions

Implementation Reference

• server.js:1423-1431 (handler)

  Handler implementation for the 'list-deployments' tool. Executes 'kubectl get deployments' command with optional namespace flag and returns the stdout output.

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

• server.js:47-58 (schema)

  Tool schema definition including name, description, and inputSchema for 'list-deployments' used in tool registration.

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

• server.js:1392-1394 (registration)

  Registration of the ListToolsRequestHandler which returns the tools array containing 'list-deployments'.

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