@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 
Generate PDF business proposals with Google Gemini and PDF Generator API
AI Powered Automated Proposal & Lead Management System This advanced n8n workflow automates the transition from "Raw...
Real-time oil price crisis detection with Qwq-32b AI and multi-channel alerts
How It Works Scheduled runs collect data from oil markets, global shipping movements, news sources, and official repo...
Contract extraction, risk analysis & compliance automation with GPT-4.1 Mini
How It Works Scheduled triggers initiate automated contract reviews. The system fetches documents from cloud storage...
Real-time IoT anomaly detection with MQTT, GPT-4o-mini AI, and multi-channel alerts
How It Works MQTT ingests real time sensor data from connected devices. The workflow normalizes the values and trains...
Qualify and route sales leads with Mistral-Saba AI and MCDM scoring
How It Works The workflow starts with a scheduled trigger that activates at set intervals. Behavioral data from multi...
Automate SEO blog creation from trends using Gemini AI, Apify, and Google Docs
Automate SEO Blog Creation with Apify + Google Docs + KIE AI’s Nano Banana API Who’s it for For content creators, SEO...
Analyze sales call objections with Fireflies transcripts, GPT-4o, and Slack feedback
How it works When a meeting ends in Fireflies, the transcript is automatically retrieved and sent to OpenAI for analy...
Create LinkedIn content with GPT-4 via Telegram bot & approval loop
AI LinkedIn Content Bot with Approval Loop This n8n workflow transforms your Telegram messenger into a personal assis...
Generate animal battle videos with Flux AI, Creatomate & multi-platform publishing
Author: Jadai Kongolo Overview This comprehensive n8n workflow automates the entire production pipeline for creating...
Validate newsletter quality with GPT-5 quality gate before sending
Newsletter Quality Assurance with LLM Judge This sub workflow validates newsletter quality before sending to customer...
Automate resume screening & candidate routing with Gemini AI and Google Sheets
Streamline your recruitment process with AI powered resume analysis that goes beyond keyword matching. Overview This...
Generate YouTube chapter timestamps with GPT and SupaData transcripts
YouTube Chapter Auto Description with AI This n8n template automatically adds structured timestamp chapters to your l...
WhatsApp customer support bot with GPT-4 Mini, Google Sheets & Rapiwa API
Who Is This For? This n8n automation workflow is designed for customer support teams , business owners , or service p...
Telegram to Google Drive: auto upload & track videos with Gemini AI assistant
Overview This workflow automates video uploads from Telegram directly to Google Drive, complete with smart file renam...
Automated multi-platform market intelligence reporting with Gemini AI & Decodo
What Problem Does It Solve? Businesses waste countless hours manually gathering online insights across platforms. Mar...
Automate weather reports with GPT-4 Mini and Open-Meteo API to Gmail and Slack
This workflow provides a comprehensive weather reporting system with two main functionalities: a scheduled daily summ...
Intelligent purchase order generator with AI supplier selection
Transform procurement from manual chaos to intelligent automation AI powered supplier selection analyzes urgency, cos...
Generate financial reports with AI insights, budget analysis & smart alerts
Transform month end reporting from manual drudgery to automated intelligence automatically pull P&L data from account...
Generate Twitter content in personal style with OpenAI & Supabase RAG
Self Learning X Content Engine (Creator RAG Booster) Learn your voice. Generate posts that sound like you — not AI. O...
Summarize Apple App Store reviews with Pinecone, GPT-4 Mini & Slack
This n8n workflow automates the process of collecting, storing, and summarizing customer reviews from the Apple App S...
University FAQ & calendar assistant with Telegram, MongoDB and Gemini AI
Interactive Academic Chatbot (Telegram + MongoDB) Overview This project is a template for building a complete academi...
Smart Gmail inbox management with Gemini: Auto-label and draft replies
Keep your Gmail inbox organized and stress free with this AI powered workflow. Ideal for freelancers, small business...
Create a secure personal AI assistant with OpenAI and Signal Messenger
Overview This workflow streamlines the process of setting up a chat bot using the Signal Messager API. What this is f...
Create a voice-enabled AI assistant with Groq, SerpAPI and TTS
What It Does Build your own AI Chatbot that listens, thinks, searches, and speaks — all inside n8n. This template com...