@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 
Query business data from Cin7 ERP with OpenAI chatbot via Peliqan
How it works This template is an end to end demo of an in house AI agent that can answer a wide range of questions by...
AI multi-source agent with GPT-4, Perplexity Search, Supabase and Google Sheets
GPT 5 MCP Multi Source Orchestrator Overview GPT 5 MCP Multi Source Orchestrator is a next generation AI agent for n8...
Chat with documents via RAG: Google Drive to GPT-5 with Supabase vector database
n8n RAG Ingestion & Query Workflow Overview This workflow is your all in one pipeline to turn any document into a pow...
Send personalized follow-up emails for Calendly bookings with GPT-4 and Outlook
This n8n automation sends a personalized email to the person who booked a meeting via Calendly . It uses an AI agent...
Generate smart Calendly notifications for Outlook and Slack using GPT-4
This n8n automation notifies you whenever someone books a meeting with you via Calendly . It sends a customized email...
Classify emails and send replies with GPT-4o and gotoHuman for supervision
Let AI classify your incoming emails and draft replies. Use gotoHuman to approve emails before they are sent out. It...
Automate client onboarding with GPT-4, Google Drive, ClickUp & Slack
Description This automation streamlines client onboarding by instantly processing a submitted form, extracting key de...
Create personal data vector store from Google Sheets with OpenAI & Gemini AI
This workflow integrates Google Sheets with Supabase Vector Store for storing personal data as vectors. It utilizes O...
Restaurant order & delivery system for WhatsApp with GPT-4o and Supabase
How it works This workflow creates a complete AI powered restaurant ordering system through WhatsApp. It receives cus...
Smart shipping prioritization with Google Gemini and Google Sheets
How it works This template waits for an external button to be pressed via webhook, then reads a Google Sheet with pen...
Smart helpdesk ticket alerts from Easy Redmine to Teams with GPT-4 summaries
Automated Helpdesk Ticket Alerts to Microsoft Teams from Easy Redmine Intro/Overview This workflow automatically post...
Generate and share professional PDFs with OpenAI, Google Docs, and Slack
Free PDF Generator in n8n – No External Libraries or Paid Services A 100% free n8n workflow for generating profession...
Simplify medical lab reports with Ollama AI and email delivery system
This automated n8n workflow streamlines the process of receiving, processing, and delivering patient friendly lab rep...
Generate platform-optimized social media content across 6 platforms with GPT-4o
Who’s it for This workflow is ideal for marketers, content creators, agencies, and small businesses that want to stre...
Track and monitor AI token usage metrics for OpenAI and Gemini models
Token Usage Metrics Workflow Descripción: Este flujo de trabajo en n8n extrae y resume las métricas de uso de tokens...
AI-powered stock analysis with Danelfin, TwelveData and Alpha Vantage
AI Powered Stock Analysis Chatbot Transform Your Investment Decisions with Advanced AI Analytics What It Does This in...
Organize Gmail with GPT-4 & send urgent notifications via Telegram and WhatsApp
This workflow automatically transforms your messy inbox into a neatly organized space while ensuring you never miss a...
AI-powered e-commerce customer support chatbot with GPT-4 & Supabase
This AI powered customer support automation built in n8n handles your e commerce queries instantly — from order track...
Real estate chatbot with AI property matching and automated calendar scheduling
Description A comprehensive real estate chatbot automation system that handles customer inquiries, property searches,...
Automate stock trades with AI-driven technical analysis & Alpaca Trading
AI Powered Stock Analysis & Auto Trading Workflow Supercharge your trading decisions with this end to end AI automati...
Kubernetes management with natural language using GPT-4o and MCP tools
Who is this for? This workflow is designed for DevOps engineers, platform engineers, and Kubernetes administrators wh...
Automate lead enrichment & personalized outreach with HubSpot, Phantombuster & GPT
How it works This workflow enriches and personalizes your lead profiles by integrating HubSpot contact data, scraping...
Track OpenAI token usage and AI agent metrics with Google Sheets dashboard
What it does Captures token usage and cost from your AI Agent/LLM. Logs model, tokens, cost, tool use, and conversati...
Log food calories from images to Google Sheets using LINE and OpenAI Vision
This workflow allows a LINE user to send either text or an image of food to a connected LINE bot. If text is sent, th...