@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 
Enrich German vocabulary in Google Sheets with OpenThesaurus and OpenAI
Quick Overview This workflow watches a Google Sheets vocabulary list for new German words, looks up synonyms via Open...
Handle WhatsApp orders, FAQs, and tracking with GPT-4o, Pinecone, and Sheets
Quick overview This workflow builds a WhatsApp business assistant that uses OpenAI to classify incoming messages and...
Score leads and send WhatsApp proposals with Gemini, HighLevel and Apify
Quick overview Youtube Video Explanation: https://youtu.be/A9IURUQlvQs?si=l5USqTcSmCEBEORP This workflow receives new...
Generate freelance proposal PDFs from Tally with GPT-4o and Gmail
Quick Overview This workflow generates a personalized freelance proposal from a Tally form submission, using OpenAI t...
Create and approve social posts with Google Sheets, Slack and Gemini
Quick Overview This workflow collects a social content brief, generates three strategy angles with Google Gemini and...
Make multi-agent council decisions with OpenAI GPT-5
Quick Overview This workflow runs a manual “AI council” that evaluates a proposal with four OpenAI powered specialist...
Monitor quantum fabrication QA with multi-agent OpenAI GPT-5 and alerts
Quick Overview This workflow runs every 30 minutes and uses OpenAI (GPT 5 mini) to analyze quantum fabrication operat...
Send lecture study digests to WhatsApp with WayinVideo, GPT-4o-mini and Twilio
Quick Overview This workflow collects a lecture video URL and student details via an n8n form, summarizes the video w...
Analyze skill gaps for target jobs with BrowserAct, LinkedIn and GPT-4o-mini
Quick Overview This workflow collects a student’s skills and target role via an n8n Form, scrapes top LinkedIn job po...
Answer voice queries from a webhook over Google Drive docs using GPT-4o-mini and Supabase
Quick overview Placetel AI – RAG Voice Assistant with Google Drive & Supabase How it works 1. Runs on a daily schedul...
Groom Nirvana GTD inbox tasks with MCP and OpenAI GPT-5-nano
Quick overview This workflow runs manually to fetch inbox tasks from Nirvana (via its MCP API), uses OpenAI to rewrit...
Assign unassigned Jira issues with Airtable and OpenRouter Grok
Quick overview This workflow listens for Jira issue create/update events, finds unassigned issues in a target project...
Monitor and classify brand mentions from Instagram and Google with Gemini
Quick overview This workflow runs daily to find new brand mentions from Instagram hashtags and Google Search via Apif...
Run a skills-based knowledge chatbot with Google Sheets and GPT-4o-mini
Quick overview This workflow creates a session based chatbot in n8n Chat that loads “skills” from Google Sheets and u...
Generate Veo 3 short-form videos from a form using Groq and Google Sheets
Quick overview This workflow collects a video topic via an n8n form, uses Groq to generate a short form video idea an...
Tutor English chat messages using OpenRouter with Postgres memory and log to Supabase
Quick overview This workflow receives English practice messages via a webhook, uses an OpenRouter chat model with Pos...
Send AI-powered Slack briefings with Google Workspace and Gemini
Quick overview This workflow connects Slack with Google Workspace, Cal.com, OpenWeather, and Google Gemini to act as...
Handle WhatsApp support and Cal.com bookings with Gemini and Google Docs
Quick overview This workflow answers WhatsApp support messages using Google Gemini with company context from Google D...
Generate and evaluate AI prompts with Gemini, OpenRouter, Groq, Cohere and Supabase
Quick overview This workflow receives a goal via webhook, generates three prompt candidates using Google Gemini, Open...
Send daily AI vocabulary lessons with GPT-4o-mini, Google Sheets and Gmail
Quick overview Fill in a form with your exam date, subjects, daily available hours, and study start time, and this wo...
Score BizQuest listings and alert top deals with Apify, Claude, Sheets and Slack
Quick overview This scheduled workflow scrapes BizQuest listings via an Apify API, deduplicates them against a Google...
Handle chat support and escalate unresolved tickets with Google Gemini and Gmail
Quick overview This webhook based customer support workflow uses Google Gemini and a Google Docs knowledge base to an...
Run a multi-session chat agent with OpenAI and data table memory
Quick overview This workflow powers an OpenAI based chat agent in n8n that persists long term conversation memory in...
Validate bills of lading, send Gmail replies, and post JSON with Google Gemini
Quick overview This workflow triggers on a Gmail message from a specific sender, extracts bill of lading data from an...
