Browse 6,328 n8n workflow templates in the Langchain category. These ready-to-use automations connect apps and services with n8n — no coding required. Click any workflow to explore its nodes and import it directly into n8n.

6,328 workflows in Langchain
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Generate and Schedule AI Discussion Posts for Reddit with GPT-4 and Airtable
How the sequence works: A "Schedule Trigger" node activates the automation at a defined schedule. An "Airtable" node will search for previously posted questions in your question database. Airtable Ba ...
0
Jul 22, 2025
Create a Knowledge Base Chatbot with Google Drive & GPT-4o using Vector Search
Template: Create an AI Knowledge Base Chatbot with Google Drive and OpenAI GPT (Venio/Salesbear) 📋 Template Overview This comprehensive n8n workflow template creates an intelligent AI chatbot tha ...
0
Built by Gofive Gofive
Jul 22, 2025
Discover Real Market Problems from Reddit Posts with OpenAI
Automate Market Problem Discovery from Reddit with OpenAI Who’s it for This workflow is perfect for entrepreneurs, startup founders, product managers, researchers, and market analysts who want to ...
0
Jul 22, 2025
🎓 Optimize Speed-Critical Workflows Using Parallel Processing (Fan-Out/Fan-In)
How it works This template is a hands-on tutorial for one of the most advanced and powerful patterns in n8n: asynchronous parallel processing, also known as the Fan-Out/Fan-In model. When should you ...
2,162
Jul 22, 2025
Create Stunning AI Images Directly from WhatsApp with Gemini
📱🤖 Create Stunning AI Images Directly from WhatsApp with Gemini This workflow transforms your WhatsApp into a personal AI image generation studio. Simply send a text message with your idea, and ...
6
Jul 21, 2025
Multi-service Terminal: Access Gmail, X, Telegram & News with Gemini AI
This workflow receives plain English instructions from a retro console via a webhook. Using an AI agent, it can combine multiple tools to read general RSS news headlines, stock market updates, emails, ...
0
Jul 21, 2025
LinkedIn Job Search: Auto-Match Resume with AI + Cover Letter & Telegram Alerts
Overview This n8n templates helps you to authomatically search Linkeding jobs. It uses AI (Gemini or OpenAPI) to match your resume with each job description and write a sample cover letter for each jo ...
893
Jul 21, 2025
Summarize YouTube Videos with GPT-4o-mini and Apify Transcripts
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. This workflow automates summarizing YouTube videos by accepting a YouTube URL via a form, fetching ...
0
Jul 21, 2025
Analyze and Chat with XML Files using GPT and LangChain
This workflow allows interactive conversation with the content of an XML file using OpenAI and LangChain. It fetches an XML feed from a specified URL, parses the XML, and enables an AI agent to respon ...
0
Jul 21, 2025
Manage Stripe Data using Natural Language with Kimi K2 via OpenRouter
Elevate your Stripe workflows with an AI agent that intelligently, securely, and interactively handles essential Stripe data operations. Leveraging the Kimi K2 model via OpenRouter, this n8n template ...
0
Jul 21, 2025
AI-Powered Research Assistant with Linear, Scrapeless, and Claude
Brief Overview This workflow integrates Linear, Scrapeless, and Claude AI to create an AI research assistant that can respond to natural language commands and automatically perform market research, ...
0
Jul 21, 2025
Multi-Channel Campaign Messaging with GPT-4 and Salesforce
How it works Fetch campaign & members from Salesforce. GPT‑4 auto‑writes a channel‑appropriate, personalised outbound message. Switch node sends via Twilio (SMS/WhatsApp), SMTP (Email). Mark ...
0
Built by Le Nguyen Le Nguyen
Jul 21, 2025
Build Website Q&A Chatbot with RAG, OpenAI GPT-4o-mini and Supabase Vector DB
✅ What problem does this workflow solve? Many websites lack a smart, searchable interface. Visitors often leave due to unanswered questions. This workflow transforms any website into a Retrieval-Au ...
0
Jul 21, 2025
Process Voice, Images & Documents with GPT-4o, MongoDB & Gmail Tools
What it does This n8n workflow creates a cutting-edge, multi-modal AI Memory Assistant designed to capture, understand, and intelligently recall your personal or business information from diverse sou ...
0
Built by NanaB NanaB
Jul 21, 2025
Automatic Expense Tracking with Telegram, AI, and Google Sheets
The Problem 😫 Tired of manually logging every coffee and cab ride? Stop wrestling with spreadsheets! This template automates your expense tracking so you can manage your finances effortlessly. It' ...
0
Built by M Sayed M Sayed
Jul 20, 2025
Automate ISO 26262 Compliance with GPT-4 for Automotive Safety Analysis
:car: Business Value Proposition Accelerates ISO 26262 compliance for automotive/industrial systems by automating safety analysis while maintaining rigorous audit standards. :gear: How It Works graph ...
0
Built by MRJ MRJ
Jul 20, 2025
Automate CV Screening with GPT-4o-mini: Gmail to Google Sheets HR Evaluation System
AI-Powered HR Workflow: CV Analysis and Evaluation from Gmail to Sheets Who is this for? This workflow is designed for HR professionals, recruiters, startup founders, and operations teams who receiv ...
0
Built by Dr. Firas Dr. Firas
Jul 20, 2025
Build a ServiceNow Knowledge Chatbot with OpenAI and Qdrant RAG
1. Data Ingestion Workflow (Left Panel – Pink Section) This part collects data from the ServiceNow Knowledge Article table, processes it into embeddings, and stores it in Qdrant. Steps: Trigger: ...
0
Jul 20, 2025
Human-in-the-Loop Post Designer with Mistral AI, ImageKit, and LinkedIn Publishing
📋 Description This n8n workflow streamlines AI-powered post creation with image banners, includes manual approval steps, and publishes to LinkedIn — all dynamically. It uses ImageKit.io to edit ...
0
Built by ResilNext ResilNext
Jul 20, 2025
Generate Social Media Hashtags from Twitter & YouTube Trends with Mistral AI
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. Description This workflow automatically collects daily trending topics from Twitter and YouTube, ...
0
Built by ResilNext ResilNext
Jul 20, 2025