@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 
Save Costs In RAG Workflows using the Q&A Tool With Multiple Models
This template shows how to use the Question and Answer tool to save costs in RAG use cases. Who is this for? This tem...
RAG Starter Template using Simple Vector Stores, Form trigger and OpenAI
This template quickly shows how to use RAG in n8n. Who is this for? This template is for everyone who wants to start...
Daily Email Digest with AI Summarization using Gmail, OpenRouter and LangChain
Morning Mail Summary Ai Agent Simplify your mornings with this automated email summary workflow in n8n, designed for...
Generate AI-Powered LinkedIn Posts with Google Gemini and Gen-Imager
AI Powered LinkedIn Post Automation How It Works This workflow automatically generates LinkedIn posts based on a user...
Automated HR Service System with WhatsApp, GPT-4 Classification & Google Workspace
Who is this for? This workflow is ideal for HR teams, startups, and enterprises that want to handle employee interact...
YouTube Videos to Viral X Threads by Keywords (using Gemini & Claude)
Who is this for? Content creators, marketers, and social media managers who want to turn high performing YouTube vide...
Monitor AI chat interactions with Gemini 2.5 and Langfuse tracing
This workflow contains community nodes that are only compatible with the self hosted version of n8n. How it works Thi...
Automated LinkedIn content creation with GPT-4 and DALL-E for scheduled posts
How it works Automatically generates trending LinkedIn content topics using AI Researches current industry angles and...
Create viral Instagram reel scenarios from ideas with GPT-4o and Telegram
Transform your creative sparks into professional Instagram Reel scripts instantly! This AI powered workflow takes you...
Customer support WhatsApp bot with Google Docs knowledge base and Gemini AI
Document Aware WhatsApp AI Bot for Customer Support Google Docs Powered WhatsApp Support Agent 24/7 WhatsApp AI Assis...
Automate WhatsApp booking system with GPT-4 Assistant, Cal.com and SMS reminders
AI powered WhatsApp booking system with instant SMS confirmations Who is this for? This workflow is designed for solo...
Transcribe & summarize Telegram voice notes with OpenAI and DeepSeek Chat to Google Docs
This workflow automates the process of transcribing voice notes from Telegram and then summarizing them, finally savi...
Build your first AI agent – powered by Google Gemini with memory
A smart personal assistant that can reason, search, calculate, and remember — powered by Google Gemini and ready in o...
Transcribe Telegram voice notes to Google Docs with OpenAI & DeepSeek summaries
This n8n workflow automates the process of transcribing a voice message received via Telegram, summarizing the transc...
Document parsing & data extraction with Mistral OCR, AI processing, and multi-channel delivery
Tired of manual data entry? Drowning in paper documents? The Sentinel OCR & Workflow Hub is your ultimate solution fo...
Document-based chatbot with memory using OpenAI, Pinecone and Google Drive
Who is This For? This is for normal people or people just starting off and wanting to have a AI chatbot that can proc...
Complete lesson automation for modern UK teachers
Why Teachers now spend 3 4 hours per lesson creating materials and resources from scratch. With additional/special ne...
Automate salon appointment management with WhatsApp, GPT & Google Calendar
Multi Agent AI WhatsApp Bot for Service Businesses Transform your salon/service business with this streamlined WhatsA...
Ai-powered restaurant newsletter creator with Mailchimp and Telegram approval
This workflow contains community nodes that are only compatible with the self hosted version of n8n. Who is this for?...
Create daily Gmail summaries with Google Gemini AI
Gmail Daily Summary Scheduler Template Description Never miss important emails again! This intelligent automation run...
Lead workflow: Yelp & Trustpilot scraping + OpenAI analysis via BrightData
Lead Workflow: Yelp & Trustpilot Scraping + OpenAI Analysis via BrightData Description: Automated lead generation wor...
Discover business leads with Gemini, Brave Search and web scraping
This workflow contains community nodes that are only compatible with the self hosted version of n8n. Uncover new busi...
Telegram AI assistant with Gmail, Google Calendar, Google Sheets & MCP tools
What It Is Automate your professional communication directly from Telegram using this powerful AI assistant built wit...
YouTube comment analysis with GPT-4o & automated email reports via Gmail
Description: Leverage the power of ChatGPT and YouTube API to monitor, analyze, and report on video feedback automati...
