@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 
Post top Reddit content to Telegram with GPT-4.1-mini and human approval
How it works A weekly cron triggers the flow The Reddit node fetches top posts from a separated list of subreddits yo...
Analyze YouTube videos with GPT-4o-mini and get relevance-ranked insights
Description Submit up to 3 YouTube video URLs using a simple form and the workflow handles everything automatically....
Generate AI YouTube comments and replies from a video URL using GPT-4 and Google Sheets
How it works A form trigger accepts any YouTube URL: youtube.com/watch?v=ID, youtu.be/ID, youtube.com/embed/ID, or ju...
Generate and rank landing page headlines with GPT-4o-mini, Google Sheets and Gmail
Description Submit your landing page URL, current headline, conversion goal, and target audience using a simple form...
Generate AI-powered pro vs con debates with GPT-4o and Google Sheets tracking
This workflow automatically processes incoming debate topic requests, generates structured, evidence backed Pro vs Co...
Generate and push AI SEO product content to PrestaShop with Google Gemini and Sheets
Who Is This For? This workflow is built for PrestaShop store owners, eCommerce managers, and digital agencies who nee...
Generate and schedule LinkedIn, X, and Instagram posts with OpenAI agents
This workflow orchestrates three specialized AI agents in sequence to research trends, generate platform specific con...
Create AI LinkedIn posts with Groq, Tavily, Pollinations, Brevo and Telegram
What This Workflow Does This workflow automatically creates AI powered LinkedIn posts on any topic — complete with a...
Generate addictive ASMR Veo 3 reels
How it works 1. Generate new idea – Pulls previously used objects from Google Sheet, then uses GPT 4.1 mini to genera...
Create cinematic quote videos with Veo 3
How it works 1. Get a quote – Pulls a motivational quote from a Google Sheet 2. Generate Veo prompt – Uses a Gemini p...
Send an AI‐curated weekly sports newsletter with Reddit, GPT‐4o-mini, Gemini and Outlook
Sports Digest — AI Curated Weekly Newsletter Automatically aggregates sports news for a configurable topic (e.g., "Un...
Monitor AI quality drift with GPT-4o-mini evaluations and Slack alerts
Catch AI quality drift before your users do. This template ties scheduled evaluation, LLM as a Judge scoring, and thr...
Score customer support AI responses with GPT‐4 judge metrics
Score open ended AI responses with a judge model. This template shows how to evaluate a customer support agent using...
Evaluate a support ticket classifier with OpenAI GPT-4o-mini and n8n evaluations
Measure how well your AI classifier actually performs. This template shows how to evaluate a support ticket classifie...
Get a morning email and calendar brief with Gmail, Google Calendar, GPT-4o-mini and Telegram
Description Activate this workflow once and every weekday morning at 8AM your phone receives a complete day briefing...
Audit multi-page CRO with GPT-4o-mini, Google Sheets, and Gmail alerts
Description Submit up to 3 landing page URLs using a simple form and the workflow audits each one automatically. For...
Convert legal timesheets to LEDES and PDF invoices
Who is this for This template is built for solo attorneys, small law firms, and legal billing coordinators who receiv...
Route support messages with GPT-4.1-mini, Slack, email and human review
This workflow classifies incoming support messages from email or Slack, drafts AI generated replies for routine queri...
Optimize blog and product pages for Google AI Overviews with GPT-4 and Sheets
This workflow automatically monitors blog posts or product pages for new/updated content, analyzes Google AI Overview...
Generate a daily AI briefing from tasks, calendar, email, weather and news with OpenAI, WhatsApp and Email
AI Daily Personal Briefing Engine This workflow runs every morning to fetch your tasks, calendar events, emails, weat...
Turn meeting recordings into Jira, ClickUp, and Linear tasks with Whisper and Claude
This AI powered workflow transcribes Zoom/Google Meet recordings, extracts decisions and tasks using AI, then creates...
Recover missed calls and book HVAC appointments with GoHighLevel, Twilio, Gemini
Workflow explanation: Watch on YouTube Automated Missed Call Recovery with Gohighlevel + Twilio + Gemini Prerequisite...
Create weekly AI WordPress posts with images from SharePoint topics
AI Article Publisher — Scheduled WordPress Post from Topic List This workflow automatically generates and publishes a...
Send client recap emails after Fireflies meetings using GPT-4o-mini, Gmail and Sheets
Description Connect Fireflies to this workflow once and every client meeting you record automatically generates a pol...