Browse 6,328 n8n workflow templates in the Langchain category. These ready-to-use automations connect apps and services with n8n — no coding required. Click any workflow to explore its nodes and import it directly into n8n.
6,328 workflows
in Langchain
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How it works
1. Find trending theories – Uses Grok-4 to scan X (Twitter) for the top emerging conspiracy theory from the last 3 days
2. Write the script – Takes the theory and creates a 24-secon ...
How it works
1. Scrape ads – Pulls Facebook Ad Library data for "ai automation" keywords using Apify
2. Filter & sort – Filters ads by page likes (>1,000) and separates into videos, images, a ...
How it works
1. Generate the script – Takes a "what if" question and creates a 24-second video script with 4 scenes (Hook, Wonder, Reality, CTA) using Gemini 2.5 Pro
2. Create Veo prompts – Tran ...
Quick overview
Sports Digest Newsletter runs on a weekly schedule, aggregates sports news from multiple RSS/Reddit sources, uses AI to select and summarize the top stories, generates accompanying imag ...
Catch AI quality drift before your users do. This template ties scheduled evaluation, LLM-as-a-Judge scoring, and threshold-based alerts into a continuous monitoring loop that fires a Slack alert the ...
Score open-ended AI responses with a judge model. This template shows how to evaluate a customer support agent using a separate LLM that rates each response on correctness and helpfulness, going beyon ...
Measure how well your AI classifier actually performs. This template shows how to evaluate a support ticket classifier using n8n's built-in evaluation system, comparing AI predictions against expected ...
Who is this for
Content creators, YouTubers, and social media managers who want to repurpose long form videos into short clips without doing it manually. Works on self hosted n8n instances.
What it ...
This template watches an external documentation site every day and sends an AI-generated Vietnamese summary to Telegram whenever pages change. It is built around Postgres content hashing so it works w ...
Description
Activate this workflow once and every weekday morning at 8AM your phone receives a complete day briefing on Telegram — automatically. It fetches your unread emails and today's and tomor ...
Description
Submit up to 3 landing page URLs using a simple form and the workflow audits each one automatically. For every page, GPT-4o-mini scrapes the content, scores it across five dimensions, ide ...
Who is this for
This template is built for solo attorneys, small law firms, and legal billing coordinators who receive timesheet documents by email and need to produce LEDES-compliant e-billing files ...
This workflow classifies incoming support messages from email or Slack, drafts AI-generated replies for routine queries, and automatically pauses to notify a human agent for sensitive topics such as c ...
This workflow automatically monitors blog posts or product pages for new/updated content, analyzes Google AI Overviews to identify optimization gaps, auto-generates optimized titles, summaries, and sc ...
AI Daily Personal Briefing Engine
This workflow runs every morning to fetch your tasks, calendar events, emails, weather, and news — then uses AI to generate a clean, personalized daily briefing de ...
This AI-powered workflow transcribes Zoom/Google Meet recordings, extracts decisions and tasks using AI, then creates tickets in Jira/ClickUp/Linear and assigns them to team members automatically.
Ho ...
Who is this for
Business owners and service providers who want to reduce no-show rates for appointments booked via Google Calendar.
What this workflow does
This workflow fetches tomorrow's Google Cal ...
Workflow explanation: Watch on YouTube
Automated Missed Call Recovery with Gohighlevel + Twilio + Gemini
Prerequisites for the HVAC n8n Workflow
Before setting up the workflow in n8n, ensure you ha ...
AI Article Publisher — Scheduled WordPress Post from Topic List
This workflow automatically generates and publishes a full-length, SEO-optimized WordPress article on a weekly schedule. Topics are s ...
🖼️ Generate AI Image with Gemini and Upload to WordPress
Sub-workflow — Called by a parent workflow to generate a photorealistic AI image from a text prompt and upload it directly to the WordPr ...