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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Manage Google Calendar Events via Telegram with Gemini AI Assistant
Who is this for? This workflow is for businesses and individuals who want to automate calendar management via Telegram using n8n. It’s ideal for appointment-based services, consultants, and anyone w ...
0
Built by Andrew Andrew
Jul 10, 2025
Manage Google Calendar Events via WhatsApp with Gemini AI
Who is this for? This workflow is for businesses and individuals who want to automate calendar management via WhatsApp using n8n. It’s ideal for appointment-based services, consultants, and anyone w ...
0
Built by Andrew Andrew
Jul 10, 2025
AI-powered multi-platform assistant with Google Suite, LinkedIn & Twitter
🤖 MCP Personal Assistant Workflow Description This workflow integrates multiple productivity tools into a single AI-powered assistant using n8n, acting as a centralized control hub to receive and ...
6,037
Built by Jay Emp0 Jay Emp0
Jul 10, 2025
Generate Instagram Reels with Veo3 and GPT for AI-Powered Ad Creation
🎬 Veo3 Instagram Reel Generator – AI-Powered Ad Creation in Minutes Description: This no-code workflow transforms your creative brief into an engaging Instagram Reel using OpenAI and Veo3 API (v ...
642
Jul 10, 2025
Summarize & Reply to Slack Channel Messages with Claude AI Assistant
✨ What It Does Mello is a Claude-powered Slack assistant that helps you stay on top of unread messages across all your channels. It: Summarizes conversations contextually using Claude AI. Generate ...
6
Built by Ankur Pata Ankur Pata
Jul 10, 2025
Slack AI ChatBot : Context-Aware, Replies to Mentions AND also DMs
Click here to access this Workflow for free. Get your own custom ChatGPT inside your Slack Workspace Description This n8n workflow enables a fully autonomous AI assistant within your Slack Workspac ...
5
Jul 10, 2025
Generate Images with Pollinations & Blog Articles with Gemini 2.5 from Telegram
This n8n workflow is a Telegram bot that allows users to either: Generate AI images using Pollinations API, or Generate blog articles using Gemini AI Users simply type image your prompt or blog your ...
0
Jul 10, 2025
Auto-generate Product Comparison Pages with OpenAI & Google Sheets
Auto-generate product comparison pages that help users buy faster This workflow creates detailed "X vs Y" product comparison pages designed to help readers make faster, more confident purchase decisi ...
6
Built by Abrar Sami Abrar Sami
Jul 10, 2025
Transform Reddit Questions into SEO Blog Posts with OpenAI and Google Sheets
Turn Reddit Questions into SEO Articles Automatically This workflow takes real user questions from Reddit and transforms them into fully structured blog posts — title, intro, steps, and conclusion ...
21
Built by Abrar Sami Abrar Sami
Jul 10, 2025
Automate Social Media Posts with AI Content and Images across Twitter, LinkedIn & Facebook
Auto-generate & post content using AI This workflow helps you create daily content using just a topic prompt. It writes a tweet, generates an image, and publishes across Twitter, Facebook, and Linked ...
37
Built by Abrar Sami Abrar Sami
Jul 10, 2025
Automate LinkedIn post creation with image using Google Gemini & DALL-E
This n8n template from Intuz delivers a complete AI-powered solution for automated LinkedIn posts, including unique content, custom images, and optimized hashtags. Use cases are many: Generate and sc ...
8,345
Built by Intuz Intuz
Jul 10, 2025
Create AI-Summarized Email Digests from Gmail Labels with OpenAI O4-Mini
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. Transform email overload into actionable insights with this automated daily digest workflow that i ...
20
Jul 10, 2025
Create Low-Cost AI Videos with Veo3 Fast and Upload to YouTube & TikTok
This workflow allows users to generate AI videos using the cheaper model Google Veo3 Fast, save them to Google Drive, generate optimized titles with GPT-4o, and automatically upload them to YouTube an ...
6,514
Jul 10, 2025
Qualify & Reach Out to B2B Leads with Groq AI, Apollo, Gmail & Sheets
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. 🎯 How it works This workflow captures new lead information from a web form, enriches it with Ap ...
55
Built by VKAPS IT VKAPS IT
Jul 10, 2025
Automate Support QA Reviews with Intercom, GPT and Google Sheets
🧠 How it works This workflow automates QA review of Intercom support conversations by: Triggering on conversation.admin.closed events via a webhook Fetching full conversation data using Intercom ...
2
Jul 10, 2025
Qualify Calendly Demo Requests with GPT-4 & Route to Saleshandy Sequences with Logs
This n8n template captures every “Request a Demo” booking in Calendly, uses OpenAI to score and qualify leads in real time, routes them into the correct Saleshandy sequence, and logs all data in G ...
0
Jul 10, 2025
Generate Dynamic JSON Output Formats for AI Agents with Mistral
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. JSON Architect - Dynamically Generate JSON Output Formats for Any AI Agent Overview Version: 1.0 ...
7
Built by Hybroht Hybroht
Jul 10, 2025
Generate Cold Emails & Sales Letters with OpenAI GPT & Google Docs via Chat
How it works Trigger: Listens for an incoming chat message Copy Assistant: Feeds the message (plus memory) into an OpenAI Chat Model and exposes two “tools” Cold Email Writer Tool Sales Letter ...
48
Jul 09, 2025
Generate Startup Ideas & Business Plans with GPT-4.1, Perplexity Sonar & Claude Sonnet
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. 🚀 Start-up Ideas Generator – From Idea to Executive Summary in Minutes Description: This AI-p ...
0
Jul 09, 2025
Build a Scalable AI Chatbot with GPT-4 and Pipedream: Calendly, Gmail Integration
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. This n8n workflow integrates the powerful Pipedream MCP server with AI capabilities to create a sm ...
22
Jul 09, 2025