chore: Update LangChain dependencies (no-changelog) (#16523)

package.json

@@ -94,7 +94,8 @@
       "typescript": "^5.8.2",
       "vue-tsc": "^2.2.8",
       "google-gax": "^4.3.7",
-      "ws": ">=8.17.1"
+      "ws": ">=8.17.1",
+      "zod": "3.25.67"
     },
     "patchedDependencies": {
       "bull@4.16.4": "patches/bull@4.16.4.patch",

packages/@n8n/ai-workflow-builder/src/llm-config.ts

@@ -7,7 +7,7 @@ type LLMConfig = {
 export const o4mini = async (config: LLMConfig) => {
 	const { ChatOpenAI } = await import('@langchain/openai');
 	return new ChatOpenAI({
-		modelName: 'o4-mini-2025-04-16',
+		model: 'o4-mini-2025-04-16',
 		apiKey: config.apiKey,
 		configuration: {
 			baseURL: config.baseUrl,
@@ -19,7 +19,7 @@ export const o4mini = async (config: LLMConfig) => {
 export const gpt41mini = async (config: LLMConfig) => {
 	const { ChatOpenAI } = await import('@langchain/openai');
 	return new ChatOpenAI({
-		modelName: 'gpt-4.1-mini-2025-04-14',
+		model: 'gpt-4.1-mini-2025-04-14',
 		apiKey: config.apiKey,
 		temperature: 0,
 		configuration: {
@@ -32,7 +32,7 @@ export const gpt41mini = async (config: LLMConfig) => {
 export const anthropicClaude37Sonnet = async (config: LLMConfig) => {
 	const { ChatAnthropic } = await import('@langchain/anthropic');
 	return new ChatAnthropic({
-		modelName: 'claude-3-7-sonnet-20250219',
+		model: 'claude-3-7-sonnet-20250219',
 		apiKey: config.apiKey,
 		temperature: 0,
 		maxTokens: 16000,

packages/@n8n/nodes-langchain/nodes/agents/Agent/agents/utils.ts

@@ -1,9 +1,8 @@
 import type { BaseOutputParser } from '@langchain/core/output_parsers';
 import type { DynamicStructuredTool, Tool } from 'langchain/tools';
 import { NodeOperationError, type IExecuteFunctions, type INode } from 'n8n-workflow';
-import type { z } from 'zod';
 
-type ZodObjectAny = z.ZodObject<any, any, any, any>;
+import type { ZodObjectAny } from '../../../../types/types';
 
 export async function extractParsedOutput(
 	ctx: IExecuteFunctions,

packages/@n8n/nodes-langchain/nodes/agents/Agent/test/utils.test.ts

@@ -4,6 +4,7 @@ import { NodeOperationError } from 'n8n-workflow';
 import type { INode } from 'n8n-workflow';
 import { z } from 'zod';
 
+import type { ZodObjectAny } from '../../../../types/types';
 import { checkForStructuredTools } from '../agents/utils';
 
 describe('checkForStructuredTools', () => {
@@ -41,7 +42,7 @@ describe('checkForStructuredTools', () => {
 			func: async () => 'result',
 		});
 
-		const tools: Array<Tool | DynamicStructuredTool> = [dynamicTool];
+		const tools: Array<Tool | DynamicStructuredTool<ZodObjectAny>> = [dynamicTool];
 
 		await expect(checkForStructuredTools(tools, mockNode, 'Conversation Agent')).rejects.toThrow(
 			NodeOperationError,

packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/test/imageUtils.test.ts

@@ -189,7 +189,11 @@ describe('imageUtils', () => {
 
 		it('should handle image data differently for GoogleGenerativeAI models', async () => {
 			// Mock a Google model - using our mocked class
-			mockContext.getInputConnectionData.mockResolvedValue(new ChatGoogleGenerativeAI());
+			mockContext.getInputConnectionData.mockResolvedValue(
+				new ChatGoogleGenerativeAI({
+					model: 'gemini-1.0-pro',
+				}),
+			);
 
 			const message: MessageTemplate = {
 				type: 'HumanMessagePromptTemplate',

packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsGoogleGemini/EmbeddingsGoogleGemini.node.ts

@@ -126,7 +126,7 @@ export class EmbeddingsGoogleGemini implements INodeType {
 		const credentials = await this.getCredentials('googlePalmApi');
 		const embeddings = new GoogleGenerativeAIEmbeddings({
 			apiKey: credentials.apiKey as string,
-			modelName,
+			model: modelName,
 		});
 
 		return {

packages/@n8n/nodes-langchain/nodes/embeddings/EmbeddingsMistralCloud/EmbeddingsMistralCloud.node.ts

@@ -146,7 +146,7 @@ export class EmbeddingsMistralCloud implements INodeType {
 
 		const embeddings = new MistralAIEmbeddings({
 			apiKey: credentials.apiKey as string,
-			modelName,
+			model: modelName,
 			...options,
 		});
 

packages/@n8n/nodes-langchain/nodes/llms/LMChatAnthropic/LmChatAnthropic.node.ts

@@ -321,7 +321,7 @@ export class LmChatAnthropic implements INodeType {
 
 		const model = new ChatAnthropic({
 			anthropicApiKey: credentials.apiKey,
-			modelName,
+			model: modelName,
 			anthropicApiUrl: baseURL,
 			maxTokens: options.maxTokensToSample,
 			temperature: options.temperature,

packages/@n8n/nodes-langchain/nodes/llms/LMChatOpenAi/LmChatOpenAi.node.ts

@@ -367,7 +367,7 @@ export class LmChatOpenAi implements INodeType {
 
 		const model = new ChatOpenAI({
 			openAIApiKey: credentials.apiKey as string,
-			modelName,
+			model: modelName,
 			...options,
 			timeout: options.timeout ?? 60000,
 			maxRetries: options.maxRetries ?? 2,

packages/@n8n/nodes-langchain/nodes/llms/LMOpenAi/LmOpenAi.node.ts

@@ -259,7 +259,7 @@ export class LmOpenAi implements INodeType {
 
 		const model = new OpenAI({
 			openAIApiKey: credentials.apiKey as string,
-			modelName,
+			model: modelName,
 			...options,
 			configuration,
 			timeout: options.timeout ?? 60000,

packages/@n8n/nodes-langchain/nodes/llms/LmChatDeepSeek/LmChatDeepSeek.node.ts

@@ -12,6 +12,7 @@ import {
 import { getHttpProxyAgent } from '@utils/httpProxyAgent';
 import { getConnectionHintNoticeField } from '@utils/sharedFields';
 
+import type { OpenAICompatibleCredential } from '../../../types/types';
 import { openAiFailedAttemptHandler } from '../../vendors/OpenAi/helpers/error-handling';
 import { makeN8nLlmFailedAttemptHandler } from '../n8nLlmFailedAttemptHandler';
 import { N8nLlmTracing } from '../N8nLlmTracing';
@@ -234,7 +235,7 @@ export class LmChatDeepSeek implements INodeType {
 
 		const model = new ChatOpenAI({
 			openAIApiKey: credentials.apiKey,
-			modelName,
+			model: modelName,
 			...options,
 			timeout: options.timeout ?? 60000,
 			maxRetries: options.maxRetries ?? 2,

packages/@n8n/nodes-langchain/nodes/llms/LmChatGoogleGemini/LmChatGoogleGemini.node.ts

@@ -149,7 +149,7 @@ export class LmChatGoogleGemini implements INodeType {
 		const model = new ChatGoogleGenerativeAI({
 			apiKey: credentials.apiKey as string,
 			baseUrl: credentials.host as string,
-			modelName,
+			model: modelName,
 			topK: options.topK,
 			topP: options.topP,
 			temperature: options.temperature,

packages/@n8n/nodes-langchain/nodes/llms/LmChatGroq/LmChatGroq.node.ts

@@ -143,7 +143,7 @@ export class LmChatGroq implements INodeType {
 
 		const model = new ChatGroq({
 			apiKey: credentials.apiKey as string,
-			modelName,
+			model: modelName,
 			maxTokens: options.maxTokensToSample,
 			temperature: options.temperature,
 			callbacks: [new N8nLlmTracing(this)],

packages/@n8n/nodes-langchain/nodes/llms/LmChatMistralCloud/LmChatMistralCloud.node.ts

@@ -190,7 +190,7 @@ export class LmChatMistralCloud implements INodeType {
 
 		const model = new ChatMistralAI({
 			apiKey: credentials.apiKey as string,
-			modelName,
+			model: modelName,
 			...options,
 			callbacks: [new N8nLlmTracing(this)],
 			onFailedAttempt: makeN8nLlmFailedAttemptHandler(this),

packages/@n8n/nodes-langchain/nodes/llms/LmChatOpenRouter/LmChatOpenRouter.node.ts

@@ -12,6 +12,7 @@ import {
 import { getHttpProxyAgent } from '@utils/httpProxyAgent';
 import { getConnectionHintNoticeField } from '@utils/sharedFields';
 
+import type { OpenAICompatibleCredential } from '../../../types/types';
 import { openAiFailedAttemptHandler } from '../../vendors/OpenAi/helpers/error-handling';
 import { makeN8nLlmFailedAttemptHandler } from '../n8nLlmFailedAttemptHandler';
 import { N8nLlmTracing } from '../N8nLlmTracing';
@@ -233,7 +234,7 @@ export class LmChatOpenRouter implements INodeType {
 
 		const model = new ChatOpenAI({
 			openAIApiKey: credentials.apiKey,
-			modelName,
+			model: modelName,
 			...options,
 			timeout: options.timeout ?? 60000,
 			maxRetries: options.maxRetries ?? 2,

packages/@n8n/nodes-langchain/nodes/llms/LmChatXAiGrok/LmChatXAiGrok.node.ts

@@ -12,6 +12,7 @@ import {
 import { getHttpProxyAgent } from '@utils/httpProxyAgent';
 import { getConnectionHintNoticeField } from '@utils/sharedFields';
 
+import type { OpenAICompatibleCredential } from '../../../types/types';
 import { openAiFailedAttemptHandler } from '../../vendors/OpenAi/helpers/error-handling';
 import { makeN8nLlmFailedAttemptHandler } from '../n8nLlmFailedAttemptHandler';
 import { N8nLlmTracing } from '../N8nLlmTracing';
@@ -234,7 +235,7 @@ export class LmChatXAiGrok implements INodeType {
 
 		const model = new ChatOpenAI({
 			openAIApiKey: credentials.apiKey,
-			modelName,
+			model: modelName,
 			...options,
 			timeout: options.timeout ?? 60000,
 			maxRetries: options.maxRetries ?? 2,

packages/@n8n/nodes-langchain/package.json

@@ -160,20 +160,20 @@
     "@google/generative-ai": "0.21.0",
     "@huggingface/inference": "2.8.0",
     "@langchain/anthropic": "catalog:",
-    "@langchain/aws": "0.1.10",
+    "@langchain/aws": "0.1.11",
-    "@langchain/cohere": "0.3.2",
+    "@langchain/cohere": "0.3.4",
     "@langchain/community": "catalog:",
     "@langchain/core": "catalog:",
-    "@langchain/google-genai": "0.1.6",
+    "@langchain/google-genai": "0.2.13",
-    "@langchain/google-vertexai": "0.1.8",
+    "@langchain/google-vertexai": "0.2.13",
-    "@langchain/groq": "0.1.3",
+    "@langchain/groq": "0.2.3",
-    "@langchain/mistralai": "0.2.0",
+    "@langchain/mistralai": "0.2.1",
     "@langchain/mongodb": "^0.1.0",
-    "@langchain/ollama": "0.1.4",
+    "@langchain/ollama": "0.2.2",
     "@langchain/openai": "catalog:",
-    "@langchain/pinecone": "0.1.3",
+    "@langchain/pinecone": "0.2.0",
     "@langchain/qdrant": "0.1.2",
-    "@langchain/redis": "0.1.0",
+    "@langchain/redis": "0.1.1",
     "@langchain/textsplitters": "0.1.0",
     "@modelcontextprotocol/sdk": "1.12.0",
     "@mozilla/readability": "0.6.0",
@@ -182,7 +182,7 @@
     "@n8n/typeorm": "0.3.20-12",
     "@n8n/typescript-config": "workspace:*",
     "@n8n/vm2": "3.9.25",
-    "@pinecone-database/pinecone": "4.0.0",
+    "@pinecone-database/pinecone": "^5.0.2",
     "@qdrant/js-client-rest": "1.14.1",
     "@supabase/supabase-js": "2.49.9",
     "@xata.io/client": "0.28.4",
@@ -197,14 +197,14 @@
     "html-to-text": "9.0.5",
     "https-proxy-agent": "catalog:",
     "jsdom": "23.0.1",
-    "langchain": "0.3.11",
+    "langchain": "0.3.28",
     "lodash": "catalog:",
     "mammoth": "1.7.2",
     "mime-types": "2.1.35",
     "mongodb": "6.11.0",
     "n8n-nodes-base": "workspace:*",
     "n8n-workflow": "workspace:*",
-    "openai": "4.78.1",
+    "openai": "4.103.0",
     "pdf-parse": "1.1.1",
     "pg": "8.12.0",
     "redis": "4.6.12",

packages/@n8n/nodes-langchain/types/types.ts

@@ -1 +1,5 @@
-type OpenAICompatibleCredential = { apiKey: string; url: string };
+import type { z } from 'zod';
+
+export type OpenAICompatibleCredential = { apiKey: string; url: string };
+
+export type ZodObjectAny = z.ZodObject<any, any, any, any>;

packages/@n8n/nodes-langchain/utils/N8nTool.ts

@@ -6,6 +6,8 @@ import { NodeConnectionTypes, jsonParse, NodeOperationError } from 'n8n-workflow
 import type { ZodTypeAny } from 'zod';
 import { ZodBoolean, ZodNullable, ZodNumber, ZodObject, ZodOptional } from 'zod';
 
+import type { ZodObjectAny } from '../types/types';
+
 const getSimplifiedType = (schema: ZodTypeAny) => {
 	if (schema instanceof ZodObject) {
 		return 'object';
@@ -44,10 +46,10 @@ ALL parameters marked as required must be provided`;
 	return description;
 };
 
-export class N8nTool extends DynamicStructuredTool {
+export class N8nTool extends DynamicStructuredTool<ZodObjectAny> {
 	constructor(
 		private context: ISupplyDataFunctions,
-		fields: DynamicStructuredToolInput,
+		fields: DynamicStructuredToolInput<ZodObjectAny>,
 	) {
 		super(fields);
 	}

pnpm-workspace.yaml

@@ -37,12 +37,12 @@ catalog:
   uuid: 10.0.0
   xml2js: 0.6.2
   xss: 1.0.15
-  zod: 3.24.1
+  zod: 3.25.67
   zod-to-json-schema: 3.23.3
-  '@langchain/core': 0.3.48
+  '@langchain/core': 0.3.59
-  '@langchain/openai': 0.5.0
+  '@langchain/openai': 0.5.13
-  '@langchain/anthropic': 0.3.21
+  '@langchain/anthropic': 0.3.22
-  '@langchain/community': 0.3.24
+  '@langchain/community': 0.3.46
   '@n8n_io/ai-assistant-sdk': 1.14.0
 
 catalogs: