@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 
WhatsApp assistant with Gemini AI for calendar management via Evolution API
AI Agent that uses MCP Server to execute actions requested via Evolution API. This workflow receives messages and med...
Qualify & auto-reply to leads with OpenAI, Airtable, and Gmail
How it works This workflow turns your website form into a fully automated AI Lead Qualification system. Whenever a ne...
Generate personalized sales follow-ups from Fireflies transcripts with Gemini & Google Drive
Automatically Generate AI Follow Up Messages from Fireflies Transcripts This workflow automates creating personalized...
Voice AI chatbot with OpenAI, RAG (Qdrant) & Guardrails for WordPress
This workflow implements a complete Voice AI Chatbot system for Wordress that integrates speech recognition, guardrai...
Automatic email invoice archiving & data extraction with Gmail, Drive & AI
Automated Invoice Archiving Automatically fetch, store, and extract key information from invoices received via email...
Track and visualize daily moods with GPT-4o, Wolfram Alpha, Sheets, and Slack
This workflow, "Mood Graph Studio," offers a comprehensive solution to track and visualize your emotional well being....
Voice appointment booking & confirmation system with Vapi, Gemini & Google Calendar
AI Voice Appointment Booking with Vapi and Google Calendar Build an intelligent appointment book...
Automate travel expense extraction with OCR, Mistral AI and Supabase
Travel Reimbursement OCR & Expense Extraction Workflow Overview This is a lightweight n8n workflow that accepts chat...
Generate LinkedIn carousel images from text with Mistral AI & S3 Storage
AI Carousel Caption & Template Editor Workflow Overview This workflow is a caption only carousel text generator built...
Predict and Forecast HDB Flat Prices with GPT-4o and Google Sheets Analytics
How It Works The workflow runs on a monthly trigger to collect both current year and multi year historical HDB data....
Singapore Lottery Predictive Analytics and Pattern Mining System
How It Works A scheduled trigger initiates automated retrieval of TOTO/4D data, including both current and historical...
Predict F1 Race Winners with OpenAI GPT-4o, Historical Data & Slack Alerts
How It Works Every day at 8 AM, the workflow automatically retrieves the latest F1 data—including driver standings, q...
Reduce LLM Costs with Semantic Caching using Redis Vector Store and HuggingFace
Stop Paying for the Same Answer Twice Your LLM is answering the same questions over and over. "What's the weather?" "...
Monitor Japan Flight Prices & Generate Booking Alerts with GPT-4o & Multi-Source Analysis
How It Works Scheduled triggers run automated price checks across multiple travel data sources. The collected data is...
Generate Interior Moodboards with Claude/Gemini Agents, Hugging Face Image Generation, and PDF Export
This comprehensive n8n workflow automates the complete process of generating professional interior design moodboards...
GPT-4.1-mini Powered Invoice Processing from Gmail to Google Sheets with Slack
AI Powered Invoice Processing from Gmail to Google Sheets with Slack Approval This workflow completely automates your...
Personal finance tracker with Telegram Bot, Google Gemini Vision, and Sheets
Personal Finance AI Agent – Telegram Bot (n8n Workflow) A fully automated Telegram based personal finance tracker tha...
Transform voice notes into business reviews with Groq Whisper & GPT-5 to Google Slides
️ Voice to Slides: Business Review Kickstarter for Customer Success This workflow helps Customer Success Managers bra...
IP threat intelligence report generator with VirusTotal, OpenAI and Google Docs
Cybersec IP Intelligence Gatherer This project utilizes the VirusTotal node and Geolocation node to thoroughly gather...
Auto-generate AI videos with Gemini, KIE AI Sora-2 & Blotato (Multi-Platform)
This n8n template automates the entire process of generating short form AI videos and publishing them across multiple...
AI-powered body measurement & clothing size estimator from image with Fal.ai
This workflow automates the process of estimating a person’s fashion size from an uploaded image using an AI model. T...
Auto-generate AI videos and publish to YouTube with Gemini, KIE AI & Blotato
Who This Workflow Is For This workflow is ideal for YouTube creators, automation builders, and marketers who want to...
Create AI meeting summaries with Fireflies transcripts & Dart tasks using Gemini
Automatically generate a meeting summary from your meetings through Fireflies.ai, save it to a Dart document, and cre...
Create & share AI videos with Telegram, Gemini & post to TikTok, Instagram, FB
Video Generation with Telegram Bot and Gemini API – Auto Post to TikTok, Instagram & Facebook This n8n workflow turns...
