@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 
Control your discord server with natural language via GPT4o and MCP Client
What it is Very simple connection to your Discord MCP Server and 4o. How to set it up Just specify your MCP Server's...
AI-powered restaurant order chatbot with GPT-4o for POS integration
This workflow automates the restaurant POS (Point of Sale) data management process, facilitating seamless order handl...
Document Q&A chatbot with Gemini AI and Supabase vector search for Telegram
This template creates a Telegram AI Assistant that answers questions based on your documents, powered by Google Gemin...
AI marketing agent for lead generation: Reddit + OpenRouter + Gmail
What it is This n8n workflow monitors Reddit for posts relevant to a specific business or industry, identifies potent...
Generate lessons learned reports from Jira epics with AI and Google Docs
Who is this for? Jira users who want to automate the generation of a Lessons Learned or Retrospective report after an...
Track personal finances with GPT-4 via Telegram & Google Sheets
Track your expenses, gain insights, and manage money smarter – right from Telegram. Who is this For This workflow is...
Wix chat auto-responder with OpenAI GPT and email fallback
Wix Chat Auto Responder with OpenAI GPT and Email Fallback This template connects Wix Chat with OpenAI via n8n to aut...
Automate agile refinement prep with Gmail, OpenAI & Google Sheets
Who is this for? This workflow is designed for Scrum Masters , Agile Coaches , and Product Owners who want to automat...
Comprehensive SEO keyword research with OpenAI & DataForSEO analytics to NocoDB
AI Powered SEO Keyword Research Workflow with n8n automates comprehensive keyword research for content creation 
Generate riddle shorts & post on YouTube with Sonnet 3.5, Pinecone & Creatomate
This workflow allows you to generate riddle themed vertical videos (9:16), render them using Creatomate, and upload t...
Automate YouTube uploads with AI-generated metadata from Google Drive
Who Is This For? Content creators, marketing teams, and channel managers who want a simple, hands‑off solution to upl...
Build a personal assistant with Google Gemini, Gmail and Calendar using MCP
Talk to Your Apps: Building a Personal Assistant MCP Server with Google Gemini Wouldn't it be cool to just tell your...
Conversational PostgreSQL agent with visuals, multi-KPI, and data editing (MCP)
Ask your PostgreSQL database complex questions and receive clear summaries, charts, and even update or insert data —...
Automated YouTube video scheduling & AI metadata generation 🎬
Who Is This For? Content creators, marketing teams, and channel managers who need to streamline video publishing with...
🤖 Instagram MCP AI agent – read, reply & manage comments with GPT-4o
Instagram AI Agent with MCP Server – Built for Smart Engagement and Automation Hi! I’m Amanda I build intelligent aut...
PostgreSQL conversational agent with Claude & DeepSeek (Multi-KPI, Secure)
Conversational PostgreSQL Agent Enable AI driven conversations with your PostgreSQL database using a secure and visua...
Explore n8n nodes in a visual reference library
WATCH THE n8n STARTER GUIDE This te...
AI speech coach & generator using Telegram, Open AI and Gemini
Description This n8n workflow acts as your personal AI speechwriting coach, directly accessible through Telegram. It...
Auto-generate & publish SEO articles to WordPress with GPT-4 + Postgres tracking
What this flow does • Selects the least used WordPress category (tracked in PostgreSQL) • Uses GPT (4 mini or better)...
Automate URL shortening with Bitly using Llama3 chat interface
Who is this for? This workflow is intended for online users who want and need workflow automation that minimizes link...
Travel planning agent with Couchbase vector search, Gemini 2.0 Flash and OpenAI
Disclaimer: this workflow template uses the community package. Community nodes are unverified and usage of them comes...
Build an MCP server with Airtable
Who is this for? This template is designed for anyone who wants to integrate MCP with their AI Agents using Airtable....
Discover business ideas from HackerNews posts with GPT-4.1 analysis and Google Sheets
What it is This n8n workflow monitors top Hacker News posts (in the Front Page) and identifies business related pain...
🌍 AI interpreter and translator for WhatsApp – translate voice & text
AI WhatsApp Translator – Multilingual Voice & Text Translator for n8n Hi! I'm Bruno — I’ve been building AI ...