feat(HTTP Request Node): Replace HttpRequest Tool with tool version of standalone HttpRequest Node (#14669)

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

@@ -63,6 +63,8 @@ export class ToolHttpRequest implements INodeType {
 				],
 			},
 		},
+		// Replaced by a `usableAsTool` version of the standalone HttpRequest node
+		hidden: true,
 		// eslint-disable-next-line n8n-nodes-base/node-class-description-inputs-wrong-regular-node
 		inputs: [],
 		// eslint-disable-next-line n8n-nodes-base/node-class-description-outputs-wrong

packages/nodes-base/nodes/HttpRequest/V3/HttpRequestV3.node.ts

@@ -71,6 +71,15 @@ export class HttpRequestV3 implements INodeType {
 					},
 				},
 			],
+			usableAsTool: {
+				replacements: {
+					codex: {
+						subcategories: {
+							Tools: ['Recommended Tools'],
+						},
+					},
+				},
+			},
 			properties: mainProperties,
 		};
 	}

packages/nodes-base/nodes/HttpRequest/shared/optimizeResponse.ts

@@ -151,7 +151,19 @@ const jsonOptimizer = (ctx: IExecuteFunctions, itemIndex: number): ResponseOptim
 
 		if (!Array.isArray(responseData)) {
 			if (dataField) {
+				if (!Object.prototype.hasOwnProperty.call(responseData, dataField)) {
+					throw new NodeOperationError(
+						ctx.getNode(),
+						`Target field "${dataField}" not found in response.`,
+						{
+							itemIndex,
+							description: `The response contained these fields: [${Object.keys(responseData).join(', ')}]`,
+						},
+					);
+				}
+
 				const data = responseData[dataField] as IDataObject | IDataObject[];
+
 				if (Array.isArray(data)) {
 					responseData = data;
 				} else {