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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LinkedIn Auto-Posting with GPT-4o Content & Image Generation + Telegram Alerts
This n8n workflow automates the process of generating and publishing LinkedIn posts that align with your personal brand tone and trending tech topics. It uses OpenAI to create engaging content and mat ...
0
Built by Punit Punit
Aug 05, 2025
AI-powered LinkedIn Content Generator with OpenAI GPT-4 and DALL-E
This n8n template helps you build a full AI-powered LinkedIn content generator with just a few clicks. Paired with the free WeWeb UI template, it becomes a ready-to-use web app where users can: Add ...
0
Built by WeWeb WeWeb
Aug 05, 2025
Automate WhatsApp Sales with DeepSeek AI, Google Sheets and Gmail Notifications
Turn WhatsApp Into a 24/7 AI Sales Assistant — n8n + DeepSeek + Sheets + Gmail ⚠️ Self-Hosted n8n Only Description Turn your WhatsApp channel into a smart sales assistant! This workflow liste ...
106
Aug 05, 2025
AI Orchestrator: dynamically Selects Models Based on Input Type
This workflow is designed to intelligently route user queries to the most suitable large language model (LLM) based on the type of request received in a chat environment. It uses structured classifica ...
5,438
Aug 05, 2025
AI Model GPT-4.1-mini and Hosting on AWS S3
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. Overview This workflow is designed for inspiring teams or individuals who need to quickly and effi ...
0
Built by Thomas Heal Thomas Heal
Aug 05, 2025
Daily Digest Generator for Telegram Groups with Gemini 2.5 Flash
This workflow acts as an AI assistant for your Telegram groups, automatically creating a "Daily Digest" of all conversations so you can catch up without scrolling through hundreds of messages. It's p ...
0
Built by Sarry Sarry
Aug 05, 2025
Build a Retrieval-Based Chatbot with Telegram, OpenAI and Google Drive PDF Backup
📚 Telegram RAG Chatbot with PDF Document & Google Drive Backup An upgraded Retrieval-Augmented Generation (RAG) chatbot built in n8n that lets users ask questions via Telegram and receive accurate ...
0
Built by Trung Tran Trung Tran
Aug 05, 2025
Scrape Google Maps by area & Generate Outreach Messages for Lead Generation
This n8n workflow automates lead extraction from Google Maps, enriches data with AI, and stores results for cold outreach. It uses the Bright Data community node and Bright Data MCP for scraping and ...
119
Built by Solomon Solomon
Aug 05, 2025
YouTube Thumbnail Generator with OpenAI & Apify
This n8n workflow automatically generates a custom YouTube thumbnail using OpenAI’s DALL·E based on a YouTube video’s transcript and title. It uses Apify actors to extract video metadata and tra ...
0
Aug 04, 2025
Automate Lead Generation & Personalized Outreach with Apollo, AI, and Instantly.ai
Title: 🤖 AI-Powered BDR Engine: Apollo to Instantly.ai (Airtable + n8n) Overview: This is a full-stack, end-to-end AI-powered BDR workflow that automates your entire outbound process. Go from sou ...
0
Built by Ruben AI Ruben AI
Aug 04, 2025
Daily Auto-Generated Tweets from Trending Topics using Perplexity & GPT-4o
This workflow auto-generates and posts a tweet once per day using real-time insights from the web. It uses Perplexity to fetch trending topics, OpenAI to summarize them into a tweet, and the Twitter A ...
0
Aug 04, 2025
AI-Powered Daily LinkedIn Post Creator with OpenAI Feedback Loop and Notion
This n8n template automatically creates and publishes high-quality LinkedIn posts using your brand brief, AI-generated ideas, and structured feedback loops — all powered by OpenAI. Perfect for solo ...
0
Aug 04, 2025
Automate Wazuh Alert Triage and Reporting with GPT-4o-mini and Telegram
🚨Are alert storms overwhelming your Security Operations workflows? This n8n workflow supercharges your SOC by fully automating triage, analysis, and notification for Wazuh alerts—blending event- ...
0
Aug 04, 2025
Auto-Generate Instagram Content Schedule with GPT-4, Apify, and Google Sheets
Try It Out! This n8n template creates a fully automated Instagram content schedule using AI and Google Sheets. It is perfect for content creators, marketing teams, or local businesses looking to orga ...
0
Aug 04, 2025
Generate Videos from Images with Telegram, GPT-4.1 & Seedance/Veo3 Integration
🎥 Telegram Image-to-Video Generator Agent (Veo3 / Seedance Integration) ⚠️ This template uses [community nodes] and some credential-based HTTP API calls (e.g. Seedance/Wavespeed). Ensure proper ...
0
Aug 04, 2025
Build Comprehensive Entity Profiles with GPT-4, Wikipedia & Vector DB for Content
This n8n template demonstrates how to build an intelligent entity research system that automatically discovers, researches, and creates comprehensive profiles for business entities, concepts, and term ...
0
Aug 04, 2025
Track Expenses from Telegram to Google Sheets with GPT-4.1 Mini
📒 Telegram Expense Tracker to Google Sheets with GPT-4.1 .jpg) > A lightweight automation that lets users log daily expenses via a Telegram bot and instantly saves them into Google Sheets—perf ...
386
Built by Trung Tran Trung Tran
Aug 04, 2025
Landing Page Conversion Optimizer with Gemini 2.5-pro & Telegram
🛠️ Landing-Page Roast & CRO Ideas Bot – Quick Guide What this workflow does Takes any public landing-page URL. Scrapes the page content. Uses Gemini 2.5-pro to • Roast the ...
0
Aug 04, 2025
Vision RAG and Image Embeddings using Cohere Command-A and Embed v4
Cohere's new multimodal model releases make building your own Vision RAG agents a breeze. If you're new to Multimodal RAG and for the intent of this template, it means to embed and retrieve only docum ...
0
Built by Jimleuk Jimleuk
Aug 04, 2025
Auto-Generate Instagram Captions for Photos with GPT-4o-mini and Airtable
Effortless Captions for Your Social Photos – Fully Automated Save time and keep your content fresh. This workflow automatically grabs photos from a Google Drive folder, analyzes them using AI (Open ...
0
Built by Wild Nomad Wild Nomad
Aug 03, 2025