Browse 7,110 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.

7,110 workflows in Langchain
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Digest new YouTube videos to Slack with Google Sheets, RapidAPI & GPT-4o-mini
Who is this for? Marketing, content, and enablement teams that need a quick, human-readable summary of every new video published by the YouTube channels they care about—without leaving Slack. What ...
380
Jun 08, 2025
Telegram AI Chatbot with Document-Based Answers using OpenAI and PGVector RAG
🤖 AI Q&A Chatbot Workflow – Build Your Own AI Agent Trained on Private Documents This powerful AI automation add-on upgrades your Telegram Bot Starter Template by integrating a fully functional ...
545
Built by Victor Gold Victor Gold
Jun 08, 2025
Upwork Lead Generation: Extract Client Emails with LinkedIn Scraping and AI
Automated solution to extract and organize contact information from Upwork job postings, enabling direct outreach to potential clients who post jobs matching your expertise. 🚀 What It Does Scrap ...
2,305
Built by Yaron Been Yaron Been
Jun 08, 2025
Upwork Job Aggregator with OpenAI Summaries & Multi-channel Notifications
Automated system that aggregates job postings from Upwork based on your criteria and delivers personalized notifications, helping you never miss relevant opportunities. 🚀 What It Does Custom job ...
229
Built by Yaron Been Yaron Been
Jun 08, 2025
Real-Time Startup Intelligence: Crunchbase Monitoring with AI Summaries & Email Alerts
Automated monitoring system that tracks startup activities, funding events, and company updates in real-time, providing valuable market intelligence. 🚀 What It Does Real-time monitoring of start ...
207
Built by Yaron Been Yaron Been
Jun 08, 2025
Personalized CrunchBase Lead Outreach with AI-Generated Summaries and Gmail
Automated outreach system that identifies and contacts potential leads from CrunchBase with personalized, timely messages. 🚀 What It Does Identifies target companies and contacts Personalizes em ...
295
Built by Yaron Been Yaron Been
Jun 08, 2025
Automated Weekly Tech Stack Reports with BuiltWith, GPT-4o & Gmail
Automated weekly report that summarizes technology stack changes, trends, and insights from your tracked companies. 🚀 What It Does Compiles weekly technology updates Highlights significant chan ...
132
Built by Yaron Been Yaron Been
Jun 08, 2025
Automated Weekly Google Calendar Summary via Email with AI ✨🗓️📧
Workflow: Automated Weekly Google Calendar Summary via Email with AI ✨🗓️📧 Get a personalized, AI-powered summary of your upcoming week's Google Calendar events delivered straight to your in ...
1,837
Built by Jez Jez
Jun 08, 2025
Transform Documents into Engaging LinkedIn Posts with GPT-4.1 and Email Approval
🚀 How it works (Fonctionnement résumé) : Ce template permet de transformer un document (PDF, TXT, DocX...) en post LinkedIn engageant, prêt à être publié ou validé par email, le tout avec l ...
472
Built by Yannick Yannick
Jun 08, 2025
Discover & Analyze TikTok Influencers with Bright Data, Claude AI & Email Outreach
🎯 Automated TikTok Influencer Discovery & Analysis A complete n8n automation that discovers TikTok influencers using Bright Data, evaluates their fit using Claude AI, and sends personalized outrea ...
1,575
Built by Dvir Sharon Dvir Sharon
Jun 08, 2025
Build a Document-based AI Chatbot with Google Drive, Llama 3, and Qdrant RAG
Overview This template allows users to set up an AI-powered chatbot that retrieves and processes knowledge from Google Drive documents using Retrieval-Augmented Generation (RAG). By leveraging Llama 3 ...
271
Built by Mohsin Mohsin
Jun 08, 2025
Turn Monoprix Delivery Emails into Calendar Events using ChatGPT and Google Calendar
Intro: The purpose of this workflow is to simply convert you planned Grocery delivery confirmation email to a Google Calendar event in your family calendar. While based on a Monoprix.fr email format, ...
197
Jun 08, 2025
VEO3 Video Generator with AI Optimization and Google Drive Storage
Welcome to my VEO3 Video Generator Workflow! This automated workflow transforms simple text descriptions into professional 8-second videos using Google's cutting-edge VEO3 AI model. Users submit vide ...
7,500
Jun 07, 2025
Automate LinkedIn Posts with Claude AI, DALL-E Images & Google Sheets Approval
How it works This workflow automates your entire LinkedIn content strategy, from ideation to publishing. Daily Idea Generation:** Every day, the workflow uses an advanced AI agent (Anthropic's Claud ...
3,249
Jun 07, 2025
Generate & Optimize Brand Stories with Ollama LLMs and Google Sheets
Overview This n8n automation template allows marketers, branding teams, and creative professionals to auto-generate, evaluate, and iteratively optimize brand stories using Ollama-hosted LLMs and LangC ...
146
Jun 07, 2025
Extract Invoice Data from PDFs with AI - Google Sheets Email Alerts
Built by Setidure Technologies This smart n8n automation extracts invoice details from PDF files uploaded to Google Drive using AI, logs them to a Google Sheet, and notifies the billing team via email ...
657
Jun 07, 2025
Automate Sleep Meditation Content Creation with ElevenLabs V3 & DeepSeek AI
Need help? Want access to this workflow + many more paid workflows + live Q&A sessions with a top verified n8n creator? Join the community Automate the production of ad-friendly meditation content� ...
240
Built by David Ashby David Ashby
Jun 07, 2025
AI-Powered Interview Preparation System using Local LLM for Campus Placements
Overview An AI-powered, end-to-end interview preparation and mentoring automation system for campus placements. It enables placement cells to generate hyper-personalized 4-page interview preparation P ...
149
Jun 07, 2025
Gmail Customer Support Auto-Responder with Ollama LLM and Pinecone RAG
Gmail Customer Support Auto-Responder with Ollama LLM and Pinecone RAG Built by Setidure Technologies Automate intelligent, friendly replies to customer queries using AI, vector search, and Gmail � ...
392
Jun 07, 2025
Perplexity-Style Iterative Research with Gemini and Google Search
AI Comprehensive Research on User's Query with Gemini and Web Search What is this? Perform comprehensive research on a user's query by dynamically generating search terms, querying the web using Goog ...
485
Jun 07, 2025