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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Get daily meeting SMS reminders from Google Calendar with GPT-4o-mini and Alive5
Description Automatically fetch today's Google Calendar meetings every morning at 9 AM, generate a natural, human-sounding SMS reminder for each one using GPT-4o-mini, and deliver it to your US phon ...
0
May 04, 2026
Monitor competitor YouTube videos weekly with WayinVideo and GPT-4o-mini
Description Add your competitors' YouTube video URLs to a Google Sheet once and every Monday at 8AM the workflow automatically processes each one. WayinVideo summarizes each video and extracts struct ...
0
May 04, 2026
Score and send LinkedIn DMs with GPT-4.1-mini, Google Sheets and Phantombuster
How it works This workflow creates an AI-powered LinkedIn DM outreach sequence that automatically scores, messages, and follows up with prospects using Google Sheets as a lightweight CRM. When the w ...
0
May 04, 2026
Auto-reply to Instagram comments with Gemini and Google Sheets tracking
AI Auto-Reply to Instagram Comments with Gemini & Google Sheet Tracker Summary Automate your Instagram community management without sounding like a bot. This workflow monitors a specific Instagram po ...
0
May 04, 2026
Track daily job applications from Gmail to Google Sheets via GPT-4o-mini with approval
Who's it for Active job-seekers who apply to 10–30 roles a week and lose track of which application is at what stage. Built for anyone tired of manually updating a spreadsheet every time a recruite ...
0
May 04, 2026
Send daily AI crypto market insights with Google Gemini to Telegram
Daily Crypto AI Market Insight to Telegram This workflow generates a daily AI-powered crypto market insight and sends it to Telegram using Binance public market data, the Crypto Fear & Greed Index, a ...
74
May 04, 2026
Turn any article into social content with Gemini, Olostep, and Google Docs
Content Atomizer: Turn Any Article into a Multi-Channel Social Campaign Stop spending hours manually repurposing long-form content. The Content Atomizer.json workflow takes a single article URL and a ...
0
Built by Yasser Sami Yasser Sami
May 04, 2026
Scrape and rewrite LinkedIn AI posts with Apify, Groq, OpenAI and Google Sheets
How it works User submits a form with a LinkedIn profile URL and number of posts to scrape Apify's LinkedIn Post Scraper actor fetches posts (no cookies required, ~$1 per 1,000 posts) Posts are looped ...
0
May 03, 2026
Automate AI-powered employee onboarding emails and Slack updates with Groq, Gmail, and Google Sheets
How it works Triggered every 4 hours (or manually) to check all active products in Google Sheets Each product is evaluated for stock level and urgency against its reorder threshold Products with suffi ...
0
May 03, 2026
Create AI news digests from RSS feeds with Groq and send via Gmail
How it works RSS feeds from The Verge and TechCrunch are fetched on manual trigger Articles are merged, sorted newest-first, and prepared for AI processing Groq AI Agent 1 summarises articles in batch ...
0
May 03, 2026
Automate employee onboarding with Groq, Gmail, Slack and Google Workspace
How it works New hire submits an onboarding form with their details Groq AI generates personalised welcome content, Slack messages, and IT access request Welcome email sent to the new hire via Gmail A ...
0
May 03, 2026
Turn YouTube videos into weekly short clips with captions using WayinVideo and GPT-4o-mini
Description Add your old YouTube video URLs to a Google Sheet once and every Monday at 9AM the workflow automatically processes each one end to end. WayinVideo runs two sequential APIs — first Summ ...
0
Built by isaWOW isaWOW
May 02, 2026
Extract earnings call highlights with GPT-4o-mini and WayinVideo Find Moments
Description Submit an earnings call recording URL along with the company name, ticker, quarter, and the financial topics you want to extract — and the workflow scans the recording automatically. Wa ...
0
Built by isaWOW isaWOW
May 02, 2026
Classify Gmail leads with Groq AI and sync SLA cases to Supabase via Redis
Who’s it for This workflow is for contractors, freelancers, local service businesses, and small teams that receive leads and customer requests through Gmail but do not have a dedicated sales or adm ...
0
May 01, 2026
Find real estate deals from Facebook groups with GPT-4o and Twilio SMS alerts
Who is this for? Real estate investors, wholesalers, and house flippers who want to stop manually scrolling Facebook groups and have qualifying deals delivered to their phone instead. What does it do ...
0
May 01, 2026
Monitor competitor website changes weekly with GPT-4.1-mini and Gmail
How it works Runs automatically on a weekly schedule and fetches the live HTML of every competitor page you define Strips all HTML tags and captures a clean text snapshot of each page Compares the cur ...
0
Built by Meet Soni Meet Soni
May 01, 2026
Create client onboarding packets with GPT-4.1-mini and Gmail drafts
How it works Receives client intake data via a POST webhook from any form tool (Typeform, Tally, your website, etc.) Normalises and validates all incoming fields into a clean structured object Sends t ...
0
Built by Meet Soni Meet Soni
May 01, 2026
Analyze business data from Google Sheets with an OpenAI chatbot
Business Data Analyst Chatbot Overview This workflow is a chat-based Business Data Analyst Chatbot built in n8n. It allows users to ask business questions in plain English and receive clean, stakeh ...
0
May 01, 2026
Track sales call objections with GPT-4o-mini coaching using WayinVideo and Airtable
Description Submit a sales call recording URL and describe the objection type you want to find — such as "pricing too expensive" or "competitor comparison" — and the workflow scans the recording ...
0
May 01, 2026
Convert sales call recordings into HubSpot CRM notes with WayinVideo and GPT-4o-mini
Sales Call to HubSpot CRM Note Logger (WayinVideo + GPT-4o-mini + HubSpot) Short Description Paste any Zoom, Google Meet, or Teams recording URL into a simple form along with the contact email, com ...
0
May 01, 2026