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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AI-Powered Research Assistant for Platform Questions with GPT-4o and MCP
Description This workflow empowers you to effortlessly get answers to your n8n platform questions through an AI-powered assistant. Simply send your query, and the assistant will search documentation, ...
17,439
Built by Onur Onur
Mar 24, 2025
Transform Press Releases (PDF & Word) into Polished Articles with Gmail & OpenAI
This n8n workflow automates the transformation of press releases into polished articles. It converts the content of an email and its attachments (PDF or Word documents) into an AI-written article/blog ...
2,231
Mar 24, 2025
🧑‍🎓 AI powered language teacher with Telegram, Google Sheet and GPT-4o
Tags: Productivity, Education, Learning, Language Context I’m a Supply Chain Data Scientist from Paris who lived six years in China — and yes, learning Mandarin while working full-time was tough. ...
7,113
Built by Samir Saci Samir Saci
Mar 23, 2025
🔍🛠️Generate SEO-Optimized WordPress Content with AI Powered Perplexity Research
Generate SEO-Optimized WordPress Content with Perplexity Research Who is This For? This workflow is ideal for content creators, marketers, and businesses looking to streamline the creation of SEO-opt ...
45,170
Mar 23, 2025
Youtube RAG search with Frontend using Apify, Qdrant and AI
Ever wanted to build your own RAG search over Youtube videos? Well, now you can! This n8n template shows how you can build a very capable Youtube search engine powered by Apify, Qdrant and your LLM of ...
3,475
Built by Jimleuk Jimleuk
Mar 22, 2025
OAuth2 Settings Finder with OpenRouter Chat Model and Llama 3.3
Find OAuth URIs with AI Llama Overview: The AI agent identifies: Authorization URI Token URI Audience Methodology: Confidence scoring is utilized to assess the trustworthiness of extracted data: Sco ...
447
Built by Hendriekus Hendriekus
Mar 21, 2025
Smart Email Auto-Responder Template using AI
Smart Email Auto-Responder with AI Classification Automatically Categorize and Reply to Emails using LangChain + Google Gemini + Gmail + SMTP + Brevo This n8n workflow is designed to intelligently ...
11,950
Built by Amjid Ali Amjid Ali
Mar 21, 2025
Automate LinkedIn Candidates Sourcing with Google X-ray Boolean Search
Auto Source LinkedIn Candidates with GPT-4 Boolean Search & Google X-ray How It Works: User Input: The user pastes a job description or ideal candidate specifications into the workflow. ...
2,805
Mar 21, 2025
Build a RAG-powered AI Assistant with OpenAI, Google Drive & Supabase Vector DB
Target Audience This guide is designed for developers, data scientists, and AI enthusiasts who want to create intelligent chatbots capable of understanding and using custom data. Whether you are buil ...
26
Built by Zakaria Ben Zakaria Ben
Mar 20, 2025
Automated LinkedIn Profile Summaries with GPT-4o and Google Sheets
Quickly transform any LinkedIn profile URL into a concise, AI‑generated professional summary — perfect for recruiters, sales teams, and hiring managers who need instant insights into prospects or ...
0
Built by Hostinger Hostinger
Mar 20, 2025
Analyze Brand Mentions on Reddit with GPT-4o Mini and Notion Integration
The Reddit Comment Analyzer is an n8n automation that helps businesses monitor brand mentions, analyze sentiment, and store insights in Notion. 🚀 Features 💬 Automated Comment Sourcing Tr ...
489
Mar 20, 2025
Smart Email Classifier & Auto-Responder with AI
This n8n workflow automates email management by classifying incoming messages, drafting replies, and sending alerts—all powered by AI. Features 🚀 AI-Powered Email Categorization Classifie ...
1,440
Mar 20, 2025
Get Real-time NFT Marketplace Insights with OpenSea Marketplace Agent Tool
Track NFT listings, offers, orders, and trait-based pricing in real time! This workflow integrates OpenSea API, AI-powered analytics (GPT-4o-mini), and n8n automation to provide instant insights into ...
820
Mar 20, 2025
Get Real-time NFT Insights with OpenSea AI-Powered NFT Agent Tool
Instantly access NFT metadata, collections, traits, contracts, and ownership details from OpenSea! This workflow integrates GPT-4o-mini AI, OpenSea API, and n8n automation to provide structured NFT da ...
487
Mar 20, 2025
Analyze NFT Market Trends with AI-Powered OpenSea Analytics Agent Tool
Get deep insights into NFT market trends, sales data, and collection statistics—all powered by AI and OpenSea! This workflow connects GPT-4o-mini, OpenSea API, and n8n automation to provide real-tim ...
729
Mar 20, 2025
Get Real-time NFT Insights via Telegram with OpenSea & AI (Main Interface)
Track NFT market trends, collections, and trades in real time—directly from Telegram! This master workflow integrates the OpenSea API, GPT-4o-mini AI, and Telegram, allowing users to request natural ...
495
Mar 20, 2025
LinkedIn post Agent
LinkedIn Post Generator - Automated Marketing Content Workflow This workflow creates and publishes professional LinkedIn posts automatically on a schedule, complete with AI-generated images. Here's h ...
0
Mar 19, 2025
Analyze Any Website with OpenAI And Get On-Page SEO Audit
Instantly Find & Fix What’s Holding Your Page Back You’ve put in the work. Your content is strong. Your design is polished. But… ❌ Your page isn’t ranking where it should. ❌ Your compet ...
36,255
Mar 19, 2025
AI Research Agents to Automate PDF Analysis with Mistral’s Best-in-Class OCR
Overview Mistral OCR is a cutting-edge document understanding API that improves how businesses extract and process information from complex documents. With top scores in benchmarks for accuracy and ...
3,513
Mar 19, 2025
Multi-functional Discord Bot: Llama AI, Image Generation & Knowledge Base
Multi-functional Discord Bot with Llama AI, Image Generation, and Knowledge Base Integration 🤖🎨🧠 Overview 🔍 This workflow creates a Discord bot that can: Monitor Discord messages from spe ...
0
Mar 19, 2025