@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 email inquiry processing & routing with Gmail and Gemini AI
This automated n8n workflow processes any inquiry emails using AI powered intelligence to determine customer intent a...
Auto-respond to Instagram, Facebook & WhatsApp with Llama 3.2
This automated n8n workflow enables AI powered responses across multiple social media platforms, including Instagram...
Automate real estate marketing with Llama AI, VAPI calls & Gmail campaigns
This automated n8n workflow streamlines real estate marketing by combining voice campaigns and email outreach with AI...
Query and answer questions from Excel spreadsheets with GPT-4 Mini
This workflow creates an intelligent chatbot that uses your Microsoft Excel workbooks as a knowledge base. The AI age...
Dynamic MongoDB knowledge base chatbot with OpenAI GPT
This workflow creates an intelligent chatbot that uses your MongoDB database as a knowledge base. The AI agent can au...
Reddit comment sentiment analysis with Bright Data and Gemini AI to Google Sheets
This workflow automatically analyzes Reddit comments to understand public sentiment and community reactions. It saves...
Analyze competitor LinkedIn posts with Bright Data + Google Gemini to Google Sheets
markdown This workflow contains community nodes that are only compatible with the self hosted version of n8n. This wo...
Voice-to-text AI assistant with Voicenotes, Claude Sonnet & email delivery
This workflow provides a mechanism for using AI transcribed voice notes using Voicenotes AI and then running them int...
Automate weekly tech research with Perplexity AI, Notion & Gmail
How it works This workflow automates a full weekly monitoring and reporting cycle using AI. Scheduled Trigger Every M...
AI resume screening & evaluation for HR with GPT-4 & Google Workspace
Try It Out, HireMind – AI Driven Resume Intelligence Pipeline! This n8n template demonstrates how to automate resume...
AI chatbot with OpenAI GPT-4.1-Mini and Supabase database knowledge base
This workflow creates an intelligent chatbot that uses your Supabase database as a knowledge base. The AI agent can a...
AI chatbot that queries Baserow database with OpenAI GPT-4 mini
This workflow creates an intelligent chatbot that uses your Baserow database as a knowledge base. The AI agent can au...
Sync HubSpot, Pipedrive & Salesforce to Google Sheets with OpenAI deduplication
This workflow contains community nodes that are only compatible with the self hosted version of n8n. How it works Thi...
Automate website monitoring with GPT-4 Mini, MCP tools & multi-channel alerts
How it works This workflow automatically monitors multiple websites using AI powered analysis and MCP (Model Context...
Personalized weather assistant with Google Calendar, WeatherAPI, Gemini & Telegram
Personalized Weather Assistant with Google Calendar, WeatherAPI, AI & Telegram This workflow automates the delivery o...
Generate & test SQL code with GPT/OpenRouter AI and PostgreSQL sandbox
This is the core AI agent used for queryverify.com. Don't trust complex AI generated SQL queries without double check...
Build document RAG system with Kimi-K2, Gemini embeddings and Qdrant
Generating contextual summaries is an token int...
AI-powered social media content generator with strategic approach using GPT-4 models
This workflow contains community nodes that are only compatible with the self hosted version of n8n. How it works? Th...
Automated Slack IT helpdesk with GPT, Supabase vector search, and JIRA ticketing
This workflow contains community nodes that are only compatible with the self hosted version of n8n. Who is this for?...
Manage ClickUp Tasks with Natural Language via Telegram Bot and GPT-4.1
What It Does This workflow connects a Telegram bot with your ClickUp workspace, allowing you to create , read , updat...
Meta Ads Performance Analysis with GPT-4 & Gemini AI Comparisons
This workflow transforms raw Meta Ads data into actionable, expert level insights. It acts as a virtual performance m...
Build an All-Source Knowledge Assistant with Claude, RAG, Perplexity, and Drive
Detailed n8n Workflow Description Main Flow The workflow operates through a three step process that handles incoming...
Comprehensive SEO Audit with GPT-4 Specialists using Analytics, Search Console & PageSpeed
Automated SEO Audit with a Team of AI Specialists This workflow performs a comprehensive, automated monthly SEO and p...
Company knowledge base agent (RAG)
Turn your docs into an AI powered internal or public facing assistant. This chatbot workflow uses RAG (Retrieval Augm...