@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 
Automated Google Business reports with GPT insights to Slack & email
Created by: Peyton Leveillee Last updated: October 2025 TL;DR Marketing companies charge hundreds or even thousands p...
Process receipt images with GPT-4o-mini, WhatsApp & Google Sheets automation
An intelligent automation system that turns WhatsApp into your personal receipt manager — integrating Meta WhatsApp C...
Automate meeting summaries & action items with Google Meet, AssemblyAI & Claude AI
The Google Meet AI Assistant workflow provides intelligent meeting analysis by integrating Google Calendar, Google Dr...
Automate Google Classroom with Gemini AI: Topics, assignments & student tracking
Automate Google Classroom: Topics, Assignments & Student Tracking Automate Google Classroom via the Google Classroom...
GPT 4.1 - Freelancer.com job alert system with auto proposal generator
Be first. Be relevant. Get hired. This ready to import n8n workflow automates your entire Freelancer.com job search:...
Personalized cold email system with Google Gemini, Telegram approval & Google Sheets
Personalized Cold Email System with Google Gemini AI and Telegram Approval An AI powered cold email automation that u...
AI-powered lead processing from Apify with Gemini and Google Sheets
AI Powered Lead Scraping Automation using APIFY Scraper and Gemini Filtering to Google Sheets This is a fully automat...
Build a text & image responding Telegram bot with Google Gemini 2.5 Flash
Telegram AI Bot Workflow An intelligent Telegram bot powered by Google Gemini AI that provides smart responses to bot...
Generate & post unique MCQ polls to Telegram with Gemini AI and Google Sheets
This template provides a complete, two part automation system for exam preparation providers, educators, or content c...
Extract invoice data from PDFs with Gemini AI to Google Sheets đź“„
Automated Invoice Processing (n8n + AI + Google Workspace) This workflow automates the extraction and processing of i...
Create AI-generated UGC marketing videos with Telegram & GPT-4
How to Set Up the AI UGC Video Automation System This system uses Telegram + N8N (no code automation) + AI models to...
Generate exam question papers with GPT-4 and email delivery
Who Is This For? This workflow is designed for educators, universities, examination departments, and EdTech instituti...
Smart chat routing between Gemini and GPT models based on query complexity
Adaptive LLM Router for Optimized AI Chat Responses Elevate your AI chatbots with intelligent model selection: automa...
Customer support & lead collection chatbot with RAG, GPT-4o, Sheets & Telegram
Who’s it for This template is designed for small and medium businesses, startups, and agencies that want to automate...
Automate DEI eligibility screening with Azure GPT-4o, Google Drive and Sheets
Description This workflow is designed to evaluate newly added CVs for Diversity, Equity, and Inclusion (DEI) eligibil...
Generate professional emails with custom tones using OpenAI GPT
AI Email Generator with Tone Selection Made by [Biznova](https://www.biz...
Automate blog publishing from PostgreSQL to WordPress with OpenAI GPT
How it works This workflow automatically generates and publishes marketing blog posts to WordPress using AI. It begin...
Extract contact information from business cards with Mistral OCR and GPT-4o-mini
Business Card Scanner – Automate Contact Extraction This workflow automates the process of extracting contact details...
AI secretary for scheduling with WhatsApp and Telegram
AI secretary for scheduling with WhatsApp and Telegram ️ Community Disclaimer This workflow is community maintained a...
Automate & publish video ad campaigns with NanoBanana, Seedream, GPT-4o, Veo 3
Automate video ads with NanoBanana, Seedream 4, ChatGPT Image and Veo 3 Who is this for? This template is designed fo...
Daily stock market digest with GPT-5, Decodo scraping & Gmail delivery
Step By Step AI Stock Market Research Agent (Beginner) Build your own AI powered daily stock market digest — automati...
Automate social media posts from website articles with Gemini AI, LinkedIn & X/Twitter
What it does This workflow automates content syndication and posting to LinkedIn and X/Twitter . It takes existing lo...
AI-powered Gmail assistant: send replies by analyzing thread ID with Sonnet 4.5
This workflow automates analyzing Gmail threads and drafting AI powered replies with the new model Anthropic Sonnet 4...
Smart message batching AI-powered Facebook Messenger chatbot
Facebook Messenger Smart Chatbot Smart Batch, Format & History with n8n Data Table v3 Version 2026 Adaptable to n8n v...
