@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 
Evaluate RAG response accuracy with OpenAI: document groundedness metric
This n8n template demonstrates how to calculate the evaluation metric "RAG document groundedness" which in this scena...
Evaluate AI agent response relevance using OpenAI and cosine similarity
This n8n template demonstrates how to calculate the evaluation metric "Relevance" which in this scenario, measures th...
Evaluate AI agent response correctness with OpenAI and RAGAS methodology
This n8n template demonstrates how to calculate the evaluation metric "Correctness" which in this scenario, measures...
Evaluations metric: answer similarity
This n8n template demonstrates how to calculate the evaluation metric "Similarity" which in this scenario, measures t...
Generate LinkedIn posts with GPT-4, preview on WhatsApp, and auto-publish
Workflow Overview Transform your LinkedIn presence with this powerful AI driven automation workflow that generates an...
Automate news publishing to LinkedIn with Gemini AI and RSS feeds
LinkedIn News Auto Publisher Overview This project is an automated news publisher for LinkedIn. It uses RSS feeds to...
Auto-respond to Gmail inquiries using OpenAI, Google Sheet & AI agent
Who is this for? This workflow is ideal for: Customer support teams looking to reduce manual response time SaaS compa...
Generate Daily E-Commerce Order Reports with Supabase, GPT-4.1 and Gmail
This n8n workflow automates the generation and delivery of a daily order summary via email. It leverages an AI Agent...
AI Chatbot Agent with a Panel of Experts using InfraNodus GraphRAG Knowledge
Using the knowledge graphs instead of RAG vector stores This workflow creates an AI chatbot agent that has access to...
Anthropic AI agent: Claude Sonnet 4 and Opus 4 with Think and Web Search tool
This workflow dynamically chooses between two new powerful Anthropic models — Claude Opus 4 and Claude Sonnet 4 — to...
Smart Shopify agent: AI-powered abandoned cart recovery
AI Cart Recovery Agent: Smart Abandoned Checkout Assistant Transform abandoned carts into recovered sales with intell...
Smart knowledge base with Google Docs, Discord & GPT-4o-mini
Need help? Want access to this workflow + many more paid workflows + live Q&A sessions with a top verified n8n creato...
AI-powered calendar & meeting digest with Gmail and GPT-4o/Claude - daily brief
How It Works The Daily Calendar Brief is an automated n8n workflow designed to prep you each morning with a rich, exe...
Shopify VIP alerts: AI summary & Slack notification for big orders
VIP Radar: Instantly Spot & Summarize High Value Shopify Orders with AI + Slack Alerts Automatically detect when a ne...
Automated website change monitoring with Bright Data, GPT-4.1 & Google Workspace
Note: This template is for self hosted n8n instances only You can use this workflow to fully automate website content...
Extract invoice data from email to Google Sheets using GPT-4o AI automation
Transform your invoice processing from manual data entry into an intelligent automation system. This powerful n8n wor...
Automatic news summarization & email digest with GPT-4, NewsAPI and Gmail
AI News Digest Agent: Auto News Summarizer & Email Newsletter Create an intelligent news curation system that automat...
Auto-generate & distribute LinkedIn posts with GPT-4 to profile & groups
LinkedIn AI Agent: Auto Post Creator & Multi Group Distributor Transform simple topic ideas into engaging LinkedIn po...
Automate Reddit trend analysis with GPT-4 and Slack/Gmail distribution
AI Reddit Scout Agent: Auto Post Analysis & Insights Stay ahead of trends and conversations with this intelligent n8n...
Generate product ad copy & CTAs with GPT-4 for Slack and Airtable
AI Copywriter Pro: Instant Ad Copy & CTA Generator Transform product details into compelling marketing copy in second...
Automate blog content creation with OpenAI, Google Sheets & email approval flow
Who is this for? This workflow is perfect for: Digital marketers who need to scale SEO optimized content production B...
AI real estate agent: end-to-end ops automation (web, data, voice)
This suite automates distinct aspects of real estate operations: incoming web lead qualification, scheduled/manual da...
Automate email & calendar management with Gmail, Google Calendar & GPT-4o AI
Boost your productivity with this AI powered email and calendar assistant: This AI powered template has 2 workflows....
🤖💬 Conversational AI Chatbot with Google Gemini for Text & Image | Telegram
Conversational AI Chatbot with Google Gemini for Text & Image Telegram Overview Flexible and scalable chatbot templat...