@n8n/n8n-nodes-langchain.agent
3,546 workflows using this node.
What is the @n8n/n8n-nodes-langchain.agent node used for in n8n workflows?
@n8n/n8n-nodes-langchain.agent n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.agent node as part of a reusable workflow. Builders use these templates to inspect how the node connects with triggers, data transformation steps, app integrations, notifications, storage, or AI-powered actions inside n8n. Each workflow listing includes a title, summary, author attribution, categories, complexity level, source links when available, and a downloadable JSON file for review before import. Use this page to compare practical examples, understand the surrounding nodes, and choose a template that can be safely tested and adapted in your own n8n workspace.
n8n-n8n-nodes-langchain-agent 
🐶 AI Petshop Assistant with GPT-4o, Google Calendar & WhatsApp/Instagram/FB
Hi! I’m Amanda This is honestly one of the cutest, smartest workflows I’ve ever built. It was designed with a lot of...
Query PostgreSQL database with natural language using Groq AI chatbot
This guide shows you how to deploy a chatbot that lets you query your PostgreSQL database using natural language. You...
Seo blog generator with GPT-4o, Perplexity, and Telegram integration
SEO Blog Generator with GPT 4o, Perplexity, and Telegram Integration This workflow helps you automatically generate S...
Medical Q&A chatbot for urology using RAG with Pinecone and GPT-4o
Medical Q&A Chatbot for Urology using RAG with Pinecone and GPT 4o This template provides an AI powered Q&A assistant...
Altcoin news to LinkedIn posts with DeepSeek AI & Google Sheets
Altcoin News to LinkedIn Posts with DeepSeek AI & Google Sheets Automate your daily crypto content creation and publi...
Business model canvas AI-powered generator (LLM flexible)
Who is this for? Startup founders validating or pitching new ideas Business consultants running strategy sessions Pro...
Build a chatbot, voice and phone agent with Voiceflow, Google Calendar and RAG
Voiceflow is a no code platform that allows you to design, prototype, and deploy conversational assistants across mul...
Ai-powered Telegram task manager with MCP server
Detailed Description The ToDo App workflow is designed to streamline task management through Telegram and Google Task...
Customer feedback analysis with AI, QuickChart & HTML report generator
Generative Customer Insights from Feedback Data using AI Agents & Charts This workflow automates the analysis of cust...
MCP Supabase agent – manage your database with AI
Hi, I’m Amanda This workflow was built with love to help you manage your Supabase database using natural language , p...
Automated AI product photography and Instagram post generator (Deepseek/Segmind)
Automatically generate professional grade product photography and ready to use Instagram posts using the power of AI,...
Ultimate AI assistant: Automate email, calendar, webSearch, Notion, RAG & X
This is an ultimate AI assistant: Handle emails, schedule meetings, search the web, take notes, post to social media,...
AI-powered Upwork cover letter generator – Pinecone, Groq, Google Gemin, SerpAPI
Automated Upwork Cover Letter Generator with n8n + MacOS Shortcut + P...
Generate monthly financial reports with Gemini AI, SQL, and Outlook
AI Powered Business Performance Reporting Automation Unlock executive level insights with ZERO manual work! This n8n...
Document analysis & chatbot creation with Llama Parser, Gemini LLM & Pinecone DB
Description This automation workflow enables users to upload files via an N8N form, automatically analyzes the conten...
Line chatbot with Google Sheets memory and Gemini AI
Main Use Case This workflow enables automated, AI assisted replies to users messaging a LINE Official Account, while...
Log meal nutrients from Telegram to Google Sheets using an AI agent
Who is this for? This workflow is ideal for individuals focused on nutrition tracking, meal planning, or diet optimiz...
Daily AI news translation & summary with GPT-4 and Telegram delivery
What this workflow does Every morning at 8 a.m., this workflow fetches the latest AI related articles from both GNews...
🧠 Flowatch 👁️ analyze and diagnose n8n workflow errors via OpenAI and email
Analyze and Diagnose n8n Workflow Errors Automatically via OpenAI and Email ️ This template is available on ️ Cl...
Automate web interactions with Claude 3.5 Haiku and Airtop Browser Agent
About this AI Agent This workflow is designed to automate web interactions by simulating a human user, using a combin...
AI-powered WhatsApp chatbot 🤖📲 for text, voice, images & PDFs with memory 🧠
This workflow is a highly advanced multimodal AI assistant designed to operate through WhatsApp . It can understand a...
🤖 AI restaurant assistant for WhatsApp, Instagram & Messenger
Hi, I’m Amanda! This workflow was created with so much love, care, and attention… especially for you, who runs a rest...
Automated research report generation with AI, Wiki, Search & Gmail/Telegram
Automated Research Report Generation with OpenAI, Wikipedia, Google Search, Gmail/Telegram and PDF Output Description...
Travel planning assistant with MongoDB Atlas, Gemini LLM and vector search
Building agentic AI workflows often requires multiple moving parts: memory management, document retrieval, vector sim...