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 & Email Personalized Jokes with GPT-4o-mini and Gmail
This fun workflow automates the generation and delivery of personalized jokes by email based on the names or objects entered in the form. The process works as follows: On form submission The workflow ...
164
Jul 01, 2025
Evaluate tool usage accuracy in multi-agent AI workflows using Evaluation nodes
Who's it for This workflow is ideal for AI developers running multi-agent systems in n8n who need to quantitatively evaluate tool usage behavior. If you're building autonomous agents and want to verif ...
3,134
Jul 01, 2025
Process Documents with Recursive Chunking using Google Drive, OpenAI & Gemini RAG
1. Document Ingestion & Processing Google Drive Trigger monitors for new files → Loop Over Items processes each file → File Info extracts metadata → Google Drive downloads the actual content � ...
262
Built by Mohsin Ali Mohsin Ali
Jul 01, 2025
Multilingual Voice & Text Telegram Bot with ElevenLabs TTS and LangChain Agents
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. Telegram Voice AI Assistant This n8n template creates a multimodal Telegram bot that dynamically ...
220
Built by IvanCore IvanCore
Jul 01, 2025
Create a Private Document Q&A System with Llama3, Postgres, Qdrant and Google Drive
⚙️ How It Works: LocalRAG.AI ⚠️ Note: This system only works for self-hosted n8n instances. It will not function on n8n.cloud or other remote setups. LocalRAG.AI is a private, on-prem AI assi ...
343
Jul 01, 2025
Analyze Images from Forms using GPT-4o-mini Vision and Deliver to Telegram
This workflow analyzes images submitted via a form using OpenAI Vision, then delivers the analysis result directly to your Telegram chat. ✅ Use case examples: • Users submit screenshots for inst ...
247
Jul 01, 2025
Generate Blogs with GPT-4o Prompt Chaining: Outline, Evaluate & Publish to Sheets
Description This n8n automation template delivers a full-stack AI content pipeline designed for marketing teams, content creators, SaaS founders, and growth hackers. It combines prompt chaining, GPT- ...
174
Built by Rahul Joshi Rahul Joshi
Jul 01, 2025
Extract Email Tasks with Gmail, ChatGPT-4o and Supabase
📩 Gmail → GPT → Supabase | Task Extractor This n8n workflow automates the extraction of actionable tasks from unread Gmail messages using OpenAI's GPT API, stores the resulting task metadata ...
139
Built by Paul Taylor Paul Taylor
Jun 30, 2025
Generate & Send Spare Parts Price Quotes with Gmail, Sheets and Gemini AI
Who's it for This workflow is perfect for sales teams, customer service departments, and businesses that frequently handle spare parts inquiries via email. It's especially valuable for companies mana ...
133
Built by berke berke
Jun 30, 2025
Auto-Generate & Post AI Images to Facebook using Gemini & Pollinations AI
This workflow is designed for content creators or AI artists who want to automate posting unique AI-generated images to their Facebook Page multiple times a day. It uses Google Gemini via LangChain to ...
433
Jun 30, 2025
Automated Resume Scoring with Gemini LLM, Gmail and Notion Job Profiles
This n8n template demonstrates how to use AI to score the all Resumes by matching it with Job profile Problem Statement: A Hr person is flooded with resume and spends hours manually checking each to ...
237
Built by Agentick AI Agentick AI
Jun 30, 2025
AI-Powered Automated Outreach with Scheduling, Gemini, Gmail & Google Sheets
AI-Powered Automated Outreach Scheduling with Gemini, Gmail & Google Sheets Automate your lead generation and outreach process seamlessly using AI, Gmail, and Google Sheets—all within n8n. No compl ...
104
Jun 30, 2025
AI-Powered Scrum Master Assistant with OpenAI, Slack and Asana Integration
What is This? This automation simulates Scrum Master role on daily meetings. Essentially it is an AI Scrum Master using different sources of data. As intelligent support system for Scrum Masters tha ...
191
Built by Łukasz Łukasz
Jun 30, 2025
Automate Email Management with OpenAI Classification, Gmail Drafts & Slack Alerts
What it does This workflow automatically processes incoming emails with intelligent AI classification, creating draft responses and sending Slack notifications based on email content. How it works Mo ...
140
Built by Fabian ZNTL Fabian ZNTL
Jun 30, 2025
Airline Web Check-in Data Extraction with Ollama AI, Google Sheets & Postgres Vector DB
Overview This workflow retrieves airline web check-in URLs from Google Sheets, scrapes their content, employs an LLM to generate structured JSON data, refreshes the sheet, creates embeddings, and sav ...
95
Jun 30, 2025
AI-Powered Email to Jira Ticket Creation with Llama 3.2
This AI-powered workflow reads emails, understands the request using an LLM, and creates structured Jira issues. Key Insights Poll for new emails every 5 minutes; ensure Gmail/IMAP is properly confi ...
148
Jun 30, 2025
Multi-Platform UAE Real Estate Lead Generation with GPT-4 Analysis
Who's it for Real estate agents, property investment companies, and relocation services operating in the UAE market who want to automate their lead generation and find qualified prospects 24/7. How i ...
54
Built by papcy papcy
Jun 30, 2025
Daily AI News Digest with Perplexity Pro, GPT Format & Gmail Delivery
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. 🧠 AI News Update Every 24 Hours (with Perplexity + GPT Formatter) Description: This workflow ...
445
Jun 30, 2025
Multi-User Telegram Bot to Summarize & Repurpose YouTube Videos with GPT-4o
👤 Who’s it for This workflow is for content creators, marketers, educators, or anyone who wants to instantly summarize YouTube videos and repurpose them into different formats (LinkedIn post, twe ...
112
Built by Aashiq Aashiq
Jun 30, 2025
Screen Resumes & Send Follow-ups with OpenAI GPT-4o, Google Sheets & Gmail
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. 🧠 How It Works This workflow automates the process of screening resumes using AI, logging res ...
52
Built by Abdulaziz Abdulaziz
Jun 30, 2025