@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 and classify company leads in Google Sheets with Crawl4AI and Gemini
Quick overview This workflow reads unenriched leads from Google Sheets, derives each company website from the email d...
Route Chatwoot customer chats to AI and live agents with Groq and Gemini
Quick overview This workflow automates customer chat with Chatwoot & n8n AI agent that handles incoming chats, qualif...
Triage Gmail and send high-priority alerts with Gemini and Telegram
Quick overview This workflow checks Gmail every hour, filters out automated senders, uses Google Gemini to summarize...
Send personalized B2B cold outreach emails with Google Gemini and Gmail
Quick overview This workflow runs on a schedule to pull leads from an n8n Data Table, fetches and cleans each lead’s...
Screen and score candidate CVs with Google Gemini and Gmail
Quick overview This workflow collects job applications via an n8n Form, extracts text from uploaded PDF resumes, uses...
Plan daily study schedules with GPT-4o-mini, Google Calendar, Sheets and Gmail
Quick overview This workflow collects exam details via an n8n Form, uses OpenAI (GPT 4o mini) to generate a day by da...
Send daily Google Alerts AI digest with GPT-4.1-mini and Gmail
Quick overview This workflow runs daily to fetch multiple Google Alerts RSS feeds, uses OpenAI GPT 4.1 mini to score...
Reply to Telegram text and voice messages with an OpenAI GPT-4o-mini chatbot and memory
Quick Overview This workflow listens for incoming Telegram messages, sends each message to an OpenAI chat model via a...
Route social media content reviews with Google Gemini and Google Sheets
Quick overview This workflow collects a social media content brief via an n8n form, uses Google Sheets for client bra...
Qualify WhatsApp insurance leads with OpenAI, HubSpot, and Slack
Quick overview This workflow handles inbound WhatsApp insurance inquiries, uses OpenAI to converse with leads and rem...
Qualify LinkedIn leads and draft outreach with Airtable, Apify and Claude
Quick overview This workflow pulls unprocessed leads from Airtable, enriches them with LinkedIn profile, company, web...
Qualify LinkedIn leads and draft multi-step outreach with Airtable, Apify and Claude
Quick overview This workflow pulls unprocessed leads from Airtable, enriches them with LinkedIn profile, company, and...
Create chapter-wise notes and MCQ quizzes from YouTube with WayinVideo, GPT-4o-mini, Google Sheets, and Gmail
Quick overview Submit any YouTube lecture URL through a form and this workflow transcribes the full video using Wayin...
Extract and self-correct meeting action items with OpenRouter and webhooks
Quick Overview This webhook driven workflow extracts structured action items from meeting notes using an OpenRouter c...
Send Prey missing-device alerts with Claude and Slack and log events to Sheets
Quick overview This workflow receives Prey device webhook events, sends device missing incidents to Anthropic Claude...
Generate and refine technical drafts with OpenRouter writer and critic agents
Quick Overview This workflow receives a topic and brief via webhook, uses OpenRouter LLMs to draft content and critiq...
Score leads and send WhatsApp proposals with Gemini, HighLevel and Redis
Quick Overview This workflow captures new leads via webhook, enriches them with Apify powered Google AI search, score...
Monitor HR compliance updates from DOL with GPT-4o-mini and Google Sheets
Quick overview This workflow checks the US Department of Labour RSS feed every hour, filters for HR relevant updates,...
Send AI-written invoice emails and payment reminders with Google Sheets, Gmail, Telegram and Groq
Quick overview This workflow automates invoicing and payment follow ups using Google Sheets, PDFShift, Groq (LLM), Gm...
Post daily Verge tech updates to LinkedIn with Gemini and Airtable
Quick overview This workflow runs daily, reads the latest articles from The Verge RSS feed, uses Google Gemini to sel...
Send PDF document summaries with CoreNexis OCR, GPT-4.1-mini, GPT-4o-mini and Gmail
Quick overview Upload any PDF through a form and this workflow extracts the full text using CoreNexis OCR, generates...
Draft and revise technical articles with OpenRouter in a content pipeline
Quick Overview This subworkflow is triggered by a parent content pipeline, uses OpenRouter (via an AI Writer Agent) t...
Score and critique content drafts with OpenRouter and LangChain
Quick Overview This subworkflow is called by a parent n8n pipeline to review a content draft against a provided brief...
Generate structured research briefs for content topics with OpenRouter
Quick Overview This subworkflow is called by a parent n8n workflow to generate structured research notes from a provi...