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@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.

Node slug: n8n-n8n-nodes-langchain-agent
Workflow preview: Send AI-personalized WhatsApp campaigns with WhatsApp Business API and Google Sheets
Free advanced

Send AI-personalized WhatsApp campaigns with WhatsApp Business API and Google Sheets

This workflow automatically launches AI powered personalized promotional campaigns to WhatsApp users. It handles audi...

Oneclick AI Squad
Oneclick AI Squad
Social Media
11 May 2026
74
0
Workflow preview: Turn videos into Twitter threads, LinkedIn posts, and blogs with WayinVideo and GPT-4o-mini
Free advanced

Turn videos into Twitter threads, LinkedIn posts, and blogs with WayinVideo and GPT-4o-mini

Description Submit any video URL — podcast, webinar, interview, or YouTube video — along with the title, creator name...

isaWOW
isaWOW
Content Creation
11 May 2026
8
0
Workflow preview: Handle e-commerce WhatsApp support with Whapi, WooCommerce, RAG and Gmail escalation
Free advanced

Handle e-commerce WhatsApp support with Whapi, WooCommerce, RAG and Gmail escalation

This workflow is a complete AI powered customer support automation for e commerce businesses. The system allows custo...

Davide Boizza
Davide Boizza
Support Chatbot
11 May 2026
87
0
Workflow preview: Nurture leads via email, WhatsApp, OpenAI, and Google Sheets CRM
Free advanced

Nurture leads via email, WhatsApp, OpenAI, and Google Sheets CRM

This powerful automation workflow transforms raw leads into qualified prospects through intelligent, multi channel nu...

Oneclick AI Squad
Oneclick AI Squad
Lead Nurturing
11 May 2026
110
0
Workflow preview: Send behavior-based marketing emails with OpenAI GPT-4o and SendGrid
Free advanced

Send behavior-based marketing emails with OpenAI GPT-4o and SendGrid

This intelligent workflow automates the entire lifecycle of behavior driven email marketing — from real time event ca...

Oneclick AI Squad
Oneclick AI Squad
Social Media
11 May 2026
48
0
Workflow preview: Convert DevOps Mattermost requests into Jira tasks with OpenRouter GPT and Gemini
Free advanced

Convert DevOps Mattermost requests into Jira tasks with OpenRouter GPT and Gemini

Overview This is a sub workflow that converts a free form DevOps request posted in Mattermost into a properly formatt...

Sergei Byvshev
Sergei Byvshev
DevOps
11 May 2026
25
0
Workflow preview: Investigate Mattermost incident reports with an AI SRE assistant using OpenRouter
Free advanced

Investigate Mattermost incident reports with an AI SRE assistant using OpenRouter

Overview AI powered SRE sub workflow that investigates user reported incidents coming from a Mattermost channel and p...

Sergei Byvshev
Sergei Byvshev
DevOps
11 May 2026
48
0
Workflow preview: Investigate CI/CD incidents in Mattermost with an OpenRouter AI agent
Free advanced

Investigate CI/CD incidents in Mattermost with an OpenRouter AI agent

Overview It is a sub workflow that investigates CI/CD failures reported by engineers in Mattermost. It is invoked by...

Sergei Byvshev
Sergei Byvshev
DevOps
11 May 2026
10
0
Workflow preview: Trigger HVAC upsell campaigns from weather data and handle bookings with GoHighLevel, WhatsApp, WeatherAPI and Gemini
Free advanced

Trigger HVAC upsell campaigns from weather data and handle bookings with GoHighLevel, WhatsApp, WeatherAPI and Gemini

Project Overview: Automated Climate Driven HVAC Upsell & AI Concierge This project is specifically built for an HVAC...

iamvaar
iamvaar
Lead Nurturing
10 May 2026
66
0
Workflow preview: Send AI-written cold outreach and follow-up drafts with Gmail and Google Sheets using Firecrawl, Groq, and Gemini
Free advanced

Send AI-written cold outreach and follow-up drafts with Gmail and Google Sheets using Firecrawl, Groq, and Gemini

AI Powered Cold Outreach & Follow Up Automation (with Do...While variant) Automate the full cold email lifecycle — fr...

folorunso victor
folorunso victor
Lead Nurturing
9 May 2026
47
0
Workflow preview: Route ERP tasks across departments with GPT-4, Slack, Gmail and human approval
Free advanced

Route ERP tasks across departments with GPT-4, Slack, Gmail and human approval

How It Works This workflow automates enterprise resource planning (ERP) operations across Engineering, Finance, HR, a...

Cheng Siong Chin
Cheng Siong Chin
Engineering
9 May 2026
36
0
Workflow preview: Coordinate robot swarms with OpenAI GPT-5 and real-time Slack alerts
Free advanced

Coordinate robot swarms with OpenAI GPT-5 and real-time Slack alerts

How It Works This workflow automates multi robot swarm coordination for robotics engineers, autonomous systems resear...

Cheng Siong Chin
Cheng Siong Chin
Engineering
9 May 2026
66
0
Workflow preview: Send weekly AI portfolio reports with Google Sheets, Gmail and Groq
Free advanced

Send weekly AI portfolio reports with Google Sheets, Gmail and Groq

Weekly Client Report Generator This workflow automatically generates weekly portfolio reports for clients using their...

WeblineIndia
WeblineIndia
Document Extraction
9 May 2026
7
0
Workflow preview: Control SwitchBot devices via chat with OpenRouter AI
Free intermediate

Control SwitchBot devices via chat with OpenRouter AI

Control SwitchBot Devices with AI via Chat What this workflow does: This workflow lets you control your SwitchBot sma...

Fujii Ryota
Fujii Ryota
Personal Productivity
9 May 2026
3
0
Workflow preview: Detect multi-modal plagiarism with OpenAI GPT-4, Whisper, and vector search
Free advanced

Detect multi-modal plagiarism with OpenAI GPT-4, Whisper, and vector search

How It Works This workflow automates academic and professional plagiarism detection by processing multi modal submiss...

Cheng Siong Chin
Cheng Siong Chin
Document Extraction
9 May 2026
32
0
Workflow preview: Provide academic OCR and RAG answers on Telegram with Gemini, GPT-4 mini and Supabase
Free advanced

Provide academic OCR and RAG answers on Telegram with Gemini, GPT-4 mini and Supabase

️ How It Works: System Architecture Workflow ini bekerja melalui empat lapisan proses utama yang terintegrasi secara...

Rayan Koemi Karuby
Rayan Koemi Karuby
Support Chatbot
9 May 2026
44
0
Workflow preview: Turn course videos into ClickUp learning tasks with WayinVideo and GPT‐4o‐mini
Free advanced

Turn course videos into ClickUp learning tasks with WayinVideo and GPT‐4o‐mini

Description Submit any course or lecture video URL along with the course title, module name, assignee, due date, and...

Incrementors
Incrementors
Project Management
8 May 2026
5
0
Workflow preview: Qualify and nurture Typeform leads in GoHighLevel with OpenAI, Calendly, Gmail and Slack
Free advanced

Qualify and nurture Typeform leads in GoHighLevel with OpenAI, Calendly, Gmail and Slack

Who it's for Service businesses, agencies, and consultants using GoHighLevel as their CRM who want to automatically q...

Andrew
Andrew
Lead Generation
7 May 2026
37
0
Workflow preview: Send daily TikTok trend digests to Telegram using WayinVideo and GPT-4o-mini
Free advanced

Send daily TikTok trend digests to Telegram using WayinVideo and GPT-4o-mini

Description Add TikTok video URLs to a Google Sheet and every morning at 8AM the workflow automatically processes eac...

Incrementors
Incrementors
Market Research
7 May 2026
159
0
Workflow preview: Generate & Upload llms.txt for websites GEO optimization 🕸️🌐 with ScrapegraphAI
Free advanced

Generate & Upload llms.txt for websites GEO optimization 🕸️🌐 with ScrapegraphAI

This workflow automatically generates an file (following the llmstxt.org specification) for any given website. It use...

Davide Boizza
Davide Boizza
Document Extraction
7 May 2026
79
0
Workflow preview: Send AI stock risk alerts from Google Sheets with Twelve Data and Groq
Free advanced

Send AI stock risk alerts from Google Sheets with Twelve Data and Groq

Google Sheets + Twelve Data + Groq AI Stock Risk Alert Workflow Smart Stock Risk Alerts in Minutes This workflow auto...

WeblineIndia
WeblineIndia
Crypto Trading
6 May 2026
74
0
Workflow preview: Generate multi-agent research reports with Tavily, Groq, Notion and Supabase
Free advanced

Generate multi-agent research reports with Tavily, Groq, Notion and Supabase

How it works A manual trigger sets the research topic and generates three parallel Tavily web search queries A Summar...

Redowan Ahmed Farhan
Redowan Ahmed Farhan
Market Research
6 May 2026
67
0
Workflow preview: Turn webinar recordings into Salesforce follow-up emails with WayinVideo and GPT-4o-mini
Free advanced

Turn webinar recordings into Salesforce follow-up emails with WayinVideo and GPT-4o-mini

Description Submit your webinar recording URL along with the webinar title, host name, company name, date, and CTA li...

isaWOW
isaWOW
Lead Nurturing
6 May 2026
13
0
Workflow preview: Create a daily Jira to-do email with Gmail and OpenRouter GPT
Free intermediate

Create a daily Jira to-do email with Gmail and OpenRouter GPT

️ How it Works Every morning at 8:00 AM (just before you start your day), this workflow automatically runs and sends...

Dhaval Variya
Dhaval Variya
Personal Productivity
6 May 2026
9
0