@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 
Send personalized healthcare joke emails with OpenAI, Gmail, and Google Sheets
Healthcare Email Autoresponder Daily Outreach A production ready n8n workflow for automated healthcare email marketin...
Manage schedule & contacts with Telegram Bot using GPT-4o-mini & Google Services
AI Personal Assistant Telegram Bot Template Description Transform your Telegram into a powerful AI powered personal a...
Cheaper, faster, accurate answers with memory summarization & dynamic routing!
Smart Telegram AI Assistant with Memory Summarization & Dynamic Model Selection Optimize your AI workflows, cut costs...
Generate AI newsletter drafts from Google Sheets to Notion with GPT-5-mini
How it works: This template turns rows in a Google Sheet into polished newsletter drafts in Notion using an AI writin...
🍎 Update grocery lists in Asana via Telegram voice & text using GPT-4o mini
This n8n workflow demonstrates how to use AI to update your grocery list in Asana via Telegram chat or voice. Use cas...
QuickBooks Online MCP Server - add QuickBooks tool to any AI (like Claude)
Video Introduction Want to automate your i...
QuickBooks Online AI agent - Chat with Quickbooks data with GPT agent
Video Introduction Want to automate your i...
Find step-by-step recipes from API Ninjas Recipe API in an n8n AI agent
Video Introduction Want to automate your i...
Telegram AI assistant with rate limiting and auto-reset using Google Sheets
Production ready solution for controlling AI agent usage and preventing abuse while managing costs. Problem Solved Un...
Generate and deploy websites with Gemini AI and Netlify auto-deployment
AI Website Generator & Auto Deployer Template Transform any idea into a live website in seconds! This AI powered temp...
Gmail assistant with Google Gemini classification & Telegram notifications
Who's it for This template is designed for professionals, entrepreneurs, and busy individuals who receive high volume...
Generate & post LinkedIn content automatically with GPT-4 & GPT image 1
AI Powered Social Media Automation for LinkedIn How It Works This workflow automates the entire social media content...
Financial analysis report chatbot agent with Gemini 2.5 Flash and Discord
This n8n template turns chat questions into structured financial reports using Gemini and posts them to a Discord cha...
Reddit content Q&A chatbot with GPT-4o and Reddit API
This workflow lets you chat with Reddit using OpenAI and the Reddit API. The chatbot pulls posts from a subreddit and...
Auto-categorize Outlook emails into color categories with GPT-4o
This workflow fetches recent emails from Outlook and uses OpenAI to assign a category (e.g., Red , Yellow , Green )....
AI-powered WhatsApp customer service with GPT-4, smart routing & knowledge base
AI Powered Customer Service Automation with Smart Routing How it works Core Intelligence Pipeline • Multi Layer Messa...
Multi-agent healthcare assistant with WhatsApp, GPT-4 & Google Sheets
Multi Agent AI Healthcare Assistant Demo ️ EDUCATIONAL DEMONSTRATION ONLY NOT FOR PRODUCTION MEDICAL USE ️ A comprehe...
AI-powered workflow documentation & promotion with Gemini, Notion & LinkedIn
Automated n8n Workflow Documentation and LinkedIn Promotion Streamline your n8n workflow management! This powerful wo...
Manage Google Calendar events with OpenAI Assistant (Get, create, delete)
What this workflow does Provides the tools layer for the Parent agent to manage Google Calendar: Get (list events), C...
Manage Google Calendar events with GPT-4o virtual assistant (Orchestrator)
What this workflow does Front door chat orchestrator that delegates calendar requests to a separate Sub Agent workflo...
AI-powered salon booking with GPT, Google Calendar & email confirmations
This workflow is an AI powered Salon Booking Assistant that automates hair, beauty, and spa appointment scheduling th...
Automate job discovery & AI proposals across Upwork, Freelancer, Guru & PPH with OpenRouter
Upwork/Freelancer/Guru/PPH Job Automation + AI Proposal Generator Overview This comprehensive n8n workflow automates...
Declutter Gmail: archive inactive emails with GPT-4 classification
Who is this for? This workflow is for professionals, entrepreneurs, or anyone overwhelmed by a cluttered Gmail inbox....
Build an advanced multi-query RAG system with Supabase and GPT-5
Go beyond basic Retrieval Augmented Generation (RAG) with this advanced template. While a simple RAG setup can answer...
