feat: Add AI tool building capabilities (#7336)

Github issue / Community forum post (link here to close automatically): https://community.n8n.io/t/langchain-memory-chat/23733 --------- Signed-off-by: Oleg Ivaniv <me@olegivaniv.com> Co-authored-by: Oleg Ivaniv <me@olegivaniv.com> Co-authored-by: Val <68596159+valya@users.noreply.github.com> Co-authored-by: Alex Grozav <alex@grozav.com> Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in> Co-authored-by: Deborah <deborah@starfallprojects.co.uk> Co-authored-by: Jesper Bylund <mail@jesperbylund.com> Co-authored-by: Jon <jonathan.bennetts@gmail.com> Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com> Co-authored-by: Giulio Andreini <andreini@netseven.it> Co-authored-by: Mason Geloso <Mason.geloso@gmail.com> Co-authored-by: Mason Geloso <hone@Masons-Mac-mini.local> Co-authored-by: Mutasem Aldmour <mutasem@n8n.io>
2025-12-18 02:21:13 +00:00 · 2023-11-29 12:13:55 +01:00
parent dbfd617ace
commit 87def60979
243 changed files with 21526 additions and 321 deletions
--- a/packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsOpenAI/EmbeddingsOpenAi.node.ts
+++ b/packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsOpenAI/EmbeddingsOpenAi.node.ts
@@ -0,0 +1,128 @@
+/* eslint-disable n8n-nodes-base/node-dirname-against-convention */
+import {
+	NodeConnectionType,
+	type IExecuteFunctions,
+	type INodeType,
+	type INodeTypeDescription,
+	type SupplyData,
+} from 'n8n-workflow';
+
+import type { ClientOptions } from 'openai';
+import { OpenAIEmbeddings } from 'langchain/embeddings/openai';
+import { logWrapper } from '../../../utils/logWrapper';
+import { getConnectionHintNoticeField } from '../../../utils/sharedFields';
+
+export class EmbeddingsOpenAi implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Embeddings OpenAI',
+		name: 'embeddingsOpenAi',
+		icon: 'file:openAi.svg',
+		credentials: [
+			{
+				name: 'openAiApi',
+				required: true,
+			},
+		],
+		group: ['transform'],
+		version: 1,
+		description: 'Use Embeddings OpenAI',
+		defaults: {
+			name: 'Embeddings OpenAI',
+		},
+
+		codex: {
+			categories: ['AI'],
+			subcategories: {
+				AI: ['Embeddings'],
+			},
+			resources: {
+				primaryDocumentation: [
+					{
+						url: 'https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.embeddingsopenai/',
+					},
+				],
+			},
+		},
+		// 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
+		outputs: [NodeConnectionType.AiEmbedding],
+		outputNames: ['Embeddings'],
+		properties: [
+			getConnectionHintNoticeField([NodeConnectionType.AiVectorStore]),
+			{
+				displayName: 'Options',
+				name: 'options',
+				placeholder: 'Add Option',
+				description: 'Additional options to add',
+				type: 'collection',
+				default: {},
+				options: [
+					{
+						displayName: 'Base URL',
+						name: 'baseURL',
+						default: 'https://api.openai.com/v1',
+						description: 'Override the default base URL for the API',
+						type: 'string',
+					},
+					{
+						displayName: 'Batch Size',
+						name: 'batchSize',
+						default: 512,
+						typeOptions: { maxValue: 2048 },
+						description: 'Maximum number of documents to send in each request',
+						type: 'number',
+					},
+					{
+						displayName: 'Strip New Lines',
+						name: 'stripNewLines',
+						default: true,
+						description: 'Whether to strip new lines from the input text',
+						type: 'boolean',
+					},
+					{
+						displayName: 'Timeout',
+						name: 'timeout',
+						default: -1,
+						description:
+							'Maximum amount of time a request is allowed to take in seconds. Set to -1 for no timeout.',
+						type: 'number',
+					},
+				],
+			},
+		],
+	};
+
+	async supplyData(this: IExecuteFunctions, itemIndex: number): Promise<SupplyData> {
+		this.logger.verbose('Supply data for embeddings');
+		const credentials = await this.getCredentials('openAiApi');
+
+		const options = this.getNodeParameter('options', itemIndex, {}) as {
+			baseURL?: string;
+			batchSize?: number;
+			stripNewLines?: boolean;
+			timeout?: number;
+		};
+
+		if (options.timeout === -1) {
+			options.timeout = undefined;
+		}
+
+		const configuration: ClientOptions = {};
+		if (options.baseURL) {
+			configuration.baseURL = options.baseURL;
+		}
+
+		const embeddings = new OpenAIEmbeddings(
+			{
+				openAIApiKey: credentials.apiKey as string,
+				...options,
+			},
+			configuration,
+		);
+
+		return {
+			response: logWrapper(embeddings, this),
+		};
+	}
+}