@n8n/n8n-nodes-langchain.agent
3,546 workflows using this node.
What is the @n8n/n8n-nodes-langchain.agent node used for in n8n workflows?
@n8n/n8n-nodes-langchain.agent n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.agent node as part of a reusable workflow. Builders use these templates to inspect how the node connects with triggers, data transformation steps, app integrations, notifications, storage, or AI-powered actions inside n8n. Each workflow listing includes a title, summary, author attribution, categories, complexity level, source links when available, and a downloadable JSON file for review before import. Use this page to compare practical examples, understand the surrounding nodes, and choose a template that can be safely tested and adapted in your own n8n workspace.
n8n-n8n-nodes-langchain-agent 
Extract & process Q&A from URLs with Airtop, OpenRouter AI & Safety Guardrails
Transform your Telegram bot into a secure content analyzer: send any URL, and get safe, structured Q&A extractions wi...
Create & publish SEO content with AI agents & Google Sheets tracking
Description Enhance your support, onboarding, and internal knowledge workflows with an intelligent RAG powered chatbo...
Sales CRM chatbot with GPT-4o-mini, Google Sheets lookup & memory
Description: This workflow creates a fully interactive AI powered Sales CRM Chatbot inside n8n, capable of understand...
Sync HighLevel CRM to Google Sheets with GPT-4o daily reports via Gmail
Description: This workflow automates a complete CRM → Sheets → AI → Email reporting pipeline for HighLevel opportunit...
Chat with GitHub issues using OpenAI and Redis vector search
Chat with Your GitHub Issues Using AI Ever wanted to just ask your repository what's going on instead of scrolling th...
Automated sales proposal & summary generator using GPT-4o, Sheets, Drive & Gmail
Description: This workflow automates the creation, storage, and reporting of personalized sales collateral for booked...
AI-powered SEO content optimization with SERP analysis & Slack approval workflow
Description Enhance content quality, SEO performance, and editorial consistency using an AI powered optimization engi...
Automate content publishing with GPT-4 via Google Sheets to email & Slack approval
Streamline the final stage of your content production workflow by automating publishing, formatting, metadata generat...
Generate SEO content briefs with GPT-4o, DataForSEO keyword research & SERP analysis
Description Generate high quality, SEO optimized content briefs automatically using AI, real time keyword research, S...
Smart chat assistant with GPT-5, Google Sheets, and Pinecone RAG memory
Description Empower your workflows with an intelligent AI chat assistant that retrieves real time context from Google...
AI-powered outreach & follow-up automation (GPT-4o + Gmail + Google Sheets)
Description Automate your AI powered outreach and follow up pipeline end to end with GPT 4o, Gmail, and Google Sheets...
Analyze social media sentiment & trends from Twitter & Facebook using GPT-4o
Description Gain real time audience intelligence with this cross platform AI Sentiment Analyzer for Twitter (X) and F...
Automate Instagram engagement & sentiment analysis with GPT-4 and Slack reports
Description Automatically analyze your Instagram posts’ engagement and audience sentiment using GPT 4 to uncover top...
Analyze Facebook comment sentiment with GPT-4, Slack, Sheets & Outlook reports
Description Automatically analyze the sentiment of Facebook posts and their audience comments using GPT 4 to identify...
Conversational Razorpay Analytics with Google Gemini & Telegram Bot
Description Access your Razorpay insights instantly from Telegram—no dashboard, filters, or manual queries needed. Si...
Create SEO-Optimized Blog Articles with GPT-4o Mini's Multi-Stage Generation
This workflow converts a single topic into a full blog article through a structured multi step process. Instead of ge...
Automate YouTube Content Strategy with AI, Apify & Google Sheets
This advanced multi phase n8n workflow automates the complete research, analysis, and ideation pipeline for a YouTube...
Post AI videos to YouTube with Fal AI Veo3.1, Google Sheets, and YouTube API
What It Is An automated workflow for creating Veo3.1 videos and posting them to YouTube . The workflow consists of th...
Scan single URLs for security vulnerabilities with GPT-4 (JS, PHP, Python)
This workflow automates static security analysis for JavaScript, PHP, and Python codebases. It’s designed for bug bou...
AI sticky generator for n8n templates
This workflow helps template creators automatically generate an overview sticky note for any n8n template. Paste your...
AI-powered Product Hunt data collection & translation with GPT-4 and Google Sheets
This n8n template automates the collection and enrichment of Product Hunt posts using AI and Google Sheets. It fetche...
Create comedic marketing reels with Sora2, OpenAI & auto-post to social media
Viral Marketing Reel & Autopost with Sora2 + Blotato Create funny, ultra realistic marketing reels on autopilot using...
AI-Powered automated news (stock, economy...) collector with expert comment
What is This Workflow? V2 (2026) available! An intelligent, fully automated news aggregation system that collects art...
Automate rental agreements with BoldSign, Google Sheets & Gemini AI
Complete Video Documentation: https://youtu.be/O bKlX3G7 4 Explanation WITH clean Video timestamps: Prerequisites : Y...
