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packages/@n8n/nodes-langchain/nodes/tools/ToolWorkflow/ToolWorkflow.node.ts

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+import type { IVersionedNodeType, INodeTypeBaseDescription } from 'n8n-workflow';
+import { VersionedNodeType } from 'n8n-workflow';
+
+import { ToolWorkflowV1 } from './v1/ToolWorkflowV1.node';
+import { ToolWorkflowV2 } from './v2/ToolWorkflowV2.node';
+
+export class ToolWorkflow extends VersionedNodeType {
+	constructor() {
+		const baseDescription: INodeTypeBaseDescription = {
+			displayName: 'Call n8n Sub-Workflow Tool',
+			name: 'toolWorkflow',
+			icon: 'fa:network-wired',
+			iconColor: 'black',
+			group: ['transform'],
+			description:
+				'Uses another n8n workflow as a tool. Allows packaging any n8n node(s) as a tool.',
+			codex: {
+				categories: ['AI'],
+				subcategories: {
+					AI: ['Tools'],
+					Tools: ['Recommended Tools'],
+				},
+				resources: {
+					primaryDocumentation: [
+						{
+							url: 'https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.toolworkflow/',
+						},
+					],
+				},
+			},
+			defaultVersion: 2.2,
+		};
+
+		const nodeVersions: IVersionedNodeType['nodeVersions'] = {
+			1: new ToolWorkflowV1(baseDescription),
+			1.1: new ToolWorkflowV1(baseDescription),
+			1.2: new ToolWorkflowV1(baseDescription),
+			1.3: new ToolWorkflowV1(baseDescription),
+			2: new ToolWorkflowV2(baseDescription),
+			2.1: new ToolWorkflowV2(baseDescription),
+			2.2: new ToolWorkflowV2(baseDescription),
+		};
+		super(nodeVersions, baseDescription);
+	}
+}