@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 
Auto-answer GitHub PR questions with GPT-4o, Notion & Slack for dev teams
Description: This workflow automates developer Q&A handling by connecting GitHub, GPT 4o (Azure OpenAI), Notion, Goog...
Automate API FAQ quality testing with GPT-4o-mini, Google Sheets & Slack alerts
Description: Keep your API documentation accurate and reliable with this n8n automation template. The workflow automa...
Validate GitHub configurations with GPT-4o-mini and log issues to sheets and Slack
Description Ensure your GitHub repositories stay configuration accurate and documentation compliant with this intelli...
Personalized cold lead re-engagement with Zoho CRM and GPT-4o-mini
Description: Reignite cold leads automatically with this intelligent n8n automation template that integrates Zoho CRM...
Client review collection & sentiment analysis with HighLevel, GPT-4o, Gmail & Slack
Description: This automation streamlines client review collection and sentiment summarization for Techdome using High...
Generate QA test cases from Figma designs to Google Sheets using GPT-4o-mini
Description Transform Figma design files into detailed QA test cases with AI driven analysis and structured export to...
Twitter content automation with Gemini AI for tweets, images, and engagement
N8N Workflow AI Powered Twitter Automation with Content Generation and Engagement This n8n template automates Twitter...
Facebook Messenger chatbot with GPT-4.1 & human escalation support
Who is this for? This n8n workflow is designed for businesses, customer support teams, and page administrators who wa...
AI-powered Facebook comment management: Auto-reply, delete, ban & notify
Who is this for? This n8n workflow is designed for Facebook Page administrators, social media managers, and community...
Automate assignment grading with GPT-4-Turbo and multi-format reports
Introduction Automates AI driven assignment grading with HTML and CSV output. Designed for educators evaluating submi...
Qwen-Max: journal paper generation from title/abstract
Introduction Generates complete scientific papers from title and abstract using AI. Designed for researchers, automat...
Automate peer review assignments with Sonar Pro AI & multi-channel deadline reminders
Introduction Automate peer review assignment and grading with AI powered evaluation. Designed for educators managing...
Transform RSS feeds into blog articles with GPT-4, human review & Google Docs
[Workflow Overview] ️ Self Hosted Only : This workflow uses the gotoHuman community node and requires a self hosted n...
Automate peer review assignments with GPT-4-nano, Slack and email notifications
Introduction Automate peer review assignment and grading with AI powered evaluation. Designed for educators managing...
Generate AI short-form videos with Creatomate, ElevenLabs & Pexels Stock
Who is this for? Creators, agencies, and marketers who need short form vertical video at scale. Anyone who wants to t...
Generate viral Instagram scripts by analyzing trending reels with Apify and GPT-4
This n8n template demonstrates how to leverage AI to analyze trending short form video content and automatically gene...
Multi-agent AI content creator for SEO blogs & newsletters with OpenRouter, DALL-E, Gemini
Who is this for This workflow is designed for content creators, digital marketers, bloggers, and businesses who need...
Automate recruitment with GPT-4o-mini: CV screening to interview scheduling in Airtable
Introduction Automate candidate evaluation from CV submission to interview booking. Perfect for HR teams and recruite...
Track & query expenses via Telegram with GPT-4.1 mini & Google Sheets
Description Track and query your expenses effortlessly through Telegram using voice or text messages. This AI powered...
Automate invoice analysis via Telegram with ChatGPT-4o-mini extraction
Introduction Upload invoices via Telegram, receive structured data instantly. Perfect for accountants and finance tea...
Multi-AI agent router: compare OpenAI, Anthropic & Groq responses with webhooks
Introduction This workflow connects to OpenAI, Anthropic, and Groq, processing requests in parallel with automatic pe...
Automate event follow-ups with GPT-4, LinkedIn & HubSpot multi-channel outreach
Automate your post event networking with this intelligent n8n workflow. Triggered instantly after an event, it collec...
Generate post-event reports with GPT-4, email delivery & database storage
Streamline your post event analysis with this smart n8n workflow. Triggered by a simple webhook, it instantly gathers...
Snap & track nutrition: Telegram food photos → Gemini Vision AI → Google Sheets
️ Telegram Food Photo → Gemini Vision AI → Nutrition Data → Google Sheets + ️ Drive What this workflow does Snap and...