@n8n/n8n-nodes-langchain.lmchatopenai
2,488 workflows using this node.
What is the @n8n/n8n-nodes-langchain.lmchatopenai node used for in n8n workflows?
@n8n/n8n-nodes-langchain.lmchatopenai n8n workflows are automation templates that use the @n8n/n8n-nodes-langchain.lmchatopenai 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-lmchatopenai 
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...
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...
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...
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...
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...
Generate custom icons with OpenAI GPT image & Google Drive auto-storage
Workflow Description: Turn a simple text idea into production ready icons in seconds. With this workflow, you input a...
Build Gmail contact database with GPT-5 Nano, Brave Search & Google Sheets
Transform your Gmail sent folder into a comprehensive, enriched contact database automatically. This workflow process...
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...
Generate PII-safe Helpdocs from Crisp Support chats with GPT-4.1-mini
Turn Crisp chats into Helpdocs Automatically create help articles from resolved Crisp chats. This n8n workflow listen...
Contract extraction, risk analysis & compliance automation with GPT-4.1 Mini
How It Works Scheduled triggers initiate automated contract reviews. The system fetches documents from cloud storage...
Real-time IoT anomaly detection with MQTT, GPT-4o-mini AI, and multi-channel alerts
How It Works MQTT ingests real time sensor data from connected devices. The workflow normalizes the values and trains...
Analyze sales call objections with Fireflies transcripts, GPT-4o, and Slack feedback
How it works When a meeting ends in Fireflies, the transcript is automatically retrieved and sent to OpenAI for analy...
Create LinkedIn content with GPT-4 via Telegram bot & approval loop
AI LinkedIn Content Bot with Approval Loop This n8n workflow transforms your Telegram messenger into a personal assis...
Validate newsletter quality with GPT-5 quality gate before sending
Newsletter Quality Assurance with LLM Judge This sub workflow validates newsletter quality before sending to customer...
Benchmark content safety guardrails with automated test suite & reports
️ Evaluate Guardrails Node Accuracy with Automated Test Suite This workflow benchmarks the n8n Guardrails node across...
Generate YouTube chapter timestamps with GPT and SupaData transcripts
YouTube Chapter Auto Description with AI This n8n template automatically adds structured timestamp chapters to your l...
WhatsApp customer support bot with GPT-4 Mini, Google Sheets & Rapiwa API
Who Is This For? This n8n automation workflow is designed for customer support teams , business owners , or service p...