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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Turn Any Youtube Video into VIRAL Shorts
For Who? Content Creators Youtube Automation Marketing Team How it works? 1 - Enter the video ID (in Edit Field Node) you want to use as a base to create Short Form videos 2 - Use yt-transcript-ap ...
0
Built by Nasser Nasser
Aug 02, 2025
Convert Natural Language to Video JSON Prompts with GPT and Gemini for Veo 3
The Prompt converter workflow tackles the challenge of turning your natural language video ideas into perfectly formatted JSON prompts tailored for Veo 3 video generation. By leveraging Langchain AI ...
0
Aug 02, 2025
Build Persistent Chat Memory with GPT-4o-mini and Qdrant Vector Database
🧠 Long-Term Memory System for AI Agents with Vector Database Transform your AI assistants into intelligent agents with persistent memory capabilities. This production-ready workflow implements a s ...
0
Aug 02, 2025
AI-Generated LinkedIn Posts with Human Approval using GPT-4, GoToHuman & Blotato
This workflow is designed for creators, marketers, and agencies who want to automate content publishing while keeping quality control through human review. It integrates four powerful tools — Goog ...
21
Aug 02, 2025
Automate YouTube Community Posts with DeepSeek AI & Dynamic Image Generation using Google Sheets
The Ultimate AI Workflow for YouTube Community Posts (with Dynamic Images) Product Description: Is your YouTube Community tab collecting dust? You've probably noticed that while you can schedule vide ...
0
Aug 01, 2025
AI-Powered Stock Analysis with AI Scoring and Gmail Report Delivery
Workflow Description and Setup Guide This workflow provides comprehensive AI-driven stock analysis, generating detailed deep reports by leveraging advanced vector-based data retrieval and API integra ...
0
Built by Paul Paul
Aug 01, 2025
Automate Web Research with GPT-4, Claude & Apify for Content Analysis and Insights
This n8n template demonstrates how to automate comprehensive web research using multiple AI models to find, analyze, and extract insights from authoritative sources. Use cases are many: Try automatin ...
0
Aug 01, 2025
Create Structured XML System Messages for AI Agents with Claude 4 Sonnet
Agent XML System Message Engineering: Enabling Robust Enterprise Integration and Automation Why Creating System Messages in XML Is Important XML (Extensible Markup Language) engineering is a foundat ...
0
Built by Paul Paul
Aug 01, 2025
Research-Based Article Generator with OpenAI and Web Search for High SEO Scores
Generate research-backed article with n8n Who’s it for Content marketers, SEO teams, and founders who need fast, research-grounded blog posts or long-form articles—multi-language included. Works ...
0
Aug 01, 2025
Document Q&A System with Voyage-Context-3 Embeddings and MongoDB Atlas
On my never-ending quest to find the best embeddings model, I was intrigued to come across Voyage-Context-3 by MongoDB and was excited to give it a try. This template implements the embedding model o ...
0
Built by Jimleuk Jimleuk
Aug 01, 2025
Create Custom Reasoning Patterns for AI Agents with GraphRAG & Knowledge Ontology
Teach your AI agent HOW to think, not WHAT to think This workflow demonstrates how you can build an AI agent in n8n that uses the reasoning logic you define. So an LLM learns a way of thinking, whi ...
0
Built by InfraNodus InfraNodus
Aug 01, 2025
AI-Generated Account Briefs with MadKudu, OpenAI & Salesforce for Outreach
Generate and send MadKudu Account Brief into Outreach This workflow generates an account brief tailored to your company using MadKudu MCP and OpenAI and syncs it to a custom field in Outreach. Its ...
0
Built by Margo Rey Margo Rey
Aug 01, 2025
Build a Comprehensive Multimodal Assistant on Telegram with OpenAI, SERP and Vector Store
J.A.R.V.I.S. Multimodal AI assistant on Telegram with OpenAI This workflow transforms your Telegram bot into J.A.R.V.I.S., a powerful, multimodal AI assistant. It can understand and process text, vo ...
0
Built by FabioInTech FabioInTech
Aug 01, 2025
Generate YouTube SEO Content & Thumbnail from Video Scripts with GPT-4o & Runway
Who’s it for This template is ideal for YouTube video creators who spend a lot of time manually generating SEO assets like descriptions, tags, titles, keywords, and thumbnails. If you're looking to ...
0
Built by Janak Patel Janak Patel
Aug 01, 2025
Convert Unstructured Contact Data to JSON with GPT-4 for System Integration
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. This n8n workflow template helps you automatically convert unstructured contact information—such ...
0
Aug 01, 2025
Generate AI Videos from Scripts with DeepSeek, TTS, and Together.ai
🔧 Automated Video Generator (n8n Workflow) 🚀 Features End-to-End Video Creation from user idea or transcript AI-Powered Scriptwriting using LLMs (e.g., DeepSeek via OpenRouter) Voiceover Gene ...
0
Aug 01, 2025
Automated Company Research & Lead Enrichment with GPT-4o and Google Sheets
Supercharge your sales and marketing with this AI-powered workflow! 🚀 Stop wasting hours on manual company research. This template deploys an autonomous AI agent that takes a list of company names ...
0
Built by Candra Reza Candra Reza
Aug 01, 2025
Extract Seed-Funded Startup Data with RSS, GPT-4.1-MINI & BrightData to Excel
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. What It Does This workflow automatically discovers recently seed-funded startups by monitoring RSS ...
3
Built by Eumentis Eumentis
Aug 01, 2025
Generate LinkedIn Posts with Gemini Content & Imagen Images for Instant Publishing
🚀 AI-Powered LinkedIn Post Generator with Automated Image Creation 📋 Overview Transform any topic into professional LinkedIn posts with AI-generated content and custom images! This workflow au ...
0
Aug 01, 2025
WhatsApp RAG Chatbot with Supabase, Gemini 2.5 Flash, and OpenAI Embeddings
WhatsApp RAG Chatbot with Supabase, Gemini 2.5 Flash, and OpenAI Embeddings This n8n template demonstrates how to build a WhatsApp-based AI chatbot that answers user questions using document retrieva ...
104
Built by Manav Desai Manav Desai
Aug 01, 2025