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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WhatsApp-to-Social-Media Content Generation with GPT-4 & Approval Workflow
Send one WhatsApp message → Get AI-optimized content across 7+ social platforms. Who It's For Solopreneur managing multiple platforms on the go (X/Twitter, Instagram, LinkedIn, Facebook, TikTok, ...
0
Built by Jamot Jamot
Aug 01, 2025
Auto-comment on Instagram posts with GPT-4o, Phantombuster, and SharePoint
Who’s it for Social-media teams and influencers who want to grow engagement by automatically posting short, relevant comments on new Instagram posts under rotating hashtags—while staying under p ...
653
Built by plemeo plemeo
Aug 01, 2025
Generate Tailored Interview Questions with GPT-4 Based on CV, JD, and Round
🤖 Smart Interview Assistant: Tailored Questions Based on CV, JD, and Round Watch the demo video below: 📌 Who’s it for This workflow is designed for: Recruiters* and *Talent Acquisition Specia ...
201
Built by Trung Tran Trung Tran
Aug 01, 2025
Auto-follow Instagram profiles via Phantombuster and SharePoint
Who’s it for Community managers, growth hackers, and brands that want to grow their Instagram audience by automatically following new, relevant profiles— while respecting daily limits. How it w ...
412
Built by plemeo plemeo
Aug 01, 2025
Scheduled Instagram auto-liker with Phantombuster, GPT-4o & cookie rotation
Who’s it for Social-media managers and brands that want to keep their Instagram accounts active by automatically liking fresh posts under selected hashtags—hands-free and rate-limited. How it w ...
2,076
Built by plemeo plemeo
Aug 01, 2025
Automatic LinkedIn engagement with AI comments using GPT-4o and Phantombuster
Who’s it for B2B marketers, recruiters, and personal-brand builders who want to spark conversations on LinkedIn by automatically posting short, relevant comments on fresh industry content—while ...
212
Built by plemeo plemeo
Aug 01, 2025
Auto-like LinkedIn posts with GPT-4o, Phantombuster and SharePoint
Who’s it for Recruiters, B2B marketers, and thought-leadership builders who want to boost their LinkedIn engagement by automatically liking fresh, relevant posts—while staying under LinkedIn’s ...
145
Built by plemeo plemeo
Aug 01, 2025
Auto-like Twitter posts with AI hashtags, cookie rotation & SharePoint
Who’s it for Growth hackers, social-media managers, and brand builders who want to keep their Twitter (X) accounts active by automatically liking relevant posts on a set schedule—without manual ...
90
Built by plemeo plemeo
Aug 01, 2025
Automated Twitter following with hashtag targeting, Phantombuster, and GPT-4o
Who’s it for Growth marketers, community managers, and personal-brand builders who want to steadily grow their Twitter (X) network by following new, relevant accounts on autopilot—while respecti ...
63
Built by plemeo plemeo
Aug 01, 2025
Reddit Lead Finder: Automated Prospecting with GPT-4, Supabase and Gmail Alerts
This workflow monitors targeted subreddits for potential sales leads using Reddit’s API, AI content analysis, Supabase, and Google Sheets. It is built specifically to discover posts from Reddit use ...
188
Built by BluePro BluePro
Aug 01, 2025
Scrape and Analyze Websites with Custom Prompts using Gemini, Apify, and LangChain
🔍 AI-Powered Website Prompt Executor (Apify + OpenRouter) This workflow combines the power of Apify and OpenRouter to scrape website content and execute any custom prompt using AI. You define wha ...
0
Jul 31, 2025
Beginner Data Analysis: Merge, Filter & Summarize in Google Sheets with GPT-4o
This beginner-friendly n8n workflow teaches essential data manipulation techniques using Google Sheets and AI. You'll learn how to: ✅ Merge two datasets by a shared column (Channel) 🔍 Filter ro ...
0
Jul 31, 2025
Generate AI Meeting Briefs for Google Calendar with GPT-4 & MadKudu MCP
Prepare external meetings in Google Calendar with AI summaries powered by MadKudu Intelligence Automatically prepare for external meetings by generating AI-powered attendee briefs and sending them to ...
0
Built by Margo Rey Margo Rey
Jul 31, 2025
Automate Personalized Cold Emails with Apollo Lead Scraping and GPT-4.1
How This Works This automation automatically scrapes leads from Apollo using the Apify scraper, filters out those who do not have an Email or URL included, scrapes the leads' website content and write ...
0
Jul 31, 2025
Generate Tailored Resumes, Cover Letters & Interview Prep from LinkedIn Jobs with AI
🔧 How It Works **This n8n workflow leverages an agentic AI solution, where multiple AI agents collaborate to process and generate tailored job application assets. ✅ Features Agent-based AI Coord ...
0
Built by jun shou jun shou
Jul 31, 2025
Generate BigQuery SQL from Natural Language Queries using GPT-4o Chat
Give business users a chat box; get back valid BigQuery SQL and live query results. The workflow: Captures a plain-language question from a chat widget or internal portal. Fetches the current ta ...
0
Jul 31, 2025
Track Construction Site Progress with Google Gemini AI, Drive Photos and Sheets
This automated n8n workflow leverages AI to monitor construction site progress using daily site photos, providing real-time updates and detailed tracking. The system analyzes images, generates progres ...
0
Jul 31, 2025
Sentiment Analysis of Product Reviews using Google Sheets & OpenAI
🧠 Sentiment Analysis of Product Reviews using Google Sheets & OpenAI 🚀 Quick Implementation Steps Automated customer feedback analyzer: Trigger**: Google Sheets triggers on new product review ...
0
Jul 31, 2025
Transform quotes to viral videos with Gemini, GPT & ElevenLabs for social media
🎬 AI Cinematic Quote Reels Generator – Turn Quotes into Viral Videos Automatically Transform a single quote into a fully-rendered cinematic short video — with voice-over, visuals, and music � ...
193
Built by LukaszB LukaszB
Jul 31, 2025
Categorize Emails & Get Telegram Alerts with Azure OpenAI & Google Sheets
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. Understanding This Workflow In simple terms, this workflow triggers when you receive an e-mail in ...
0
Built by Meelioo Meelioo
Jul 31, 2025