Browse 7,110 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.

7,110 workflows in Langchain
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Generate personalized trip recommendations with Claude AI and Google Sheets
This workflow provides personalized travel destination recommendations by analyzing past trip history, user preferences, travel behavior patterns, and current trends. It uses Claude AI to generate int ...
0
Mar 23, 2026
Convert YouTube videos into SEO blog posts using WayinVideo and GPT-4o-mini
Description Automatically convert any video URL into a fully structured, publish-ready SEO blog post using WayinVideo AI transcription, GPT-4o-mini, and Google Sheets — zero manual writing required ...
4
Built by isaWOW isaWOW
Mar 23, 2026
Create YouTube SEO metadata and thumbnails from Google Drive videos with Gemini, LemonFox and upload-post
Automated YouTube SEO, Thumbnail Generation & Video Upload via AI, Google Drive & LemonFox Pre-requesties: Video uploaded to gdrive. And sponsor file with the similar formart "videotitle_sponsors.txt ...
0
Built by iamvaar iamvaar
Mar 23, 2026
Query Databricks data and SQL insights via Slack with Gemini AI agent
Automated Databricks Data Querying & SQL Insights via Slack with AI Agent & Gemini Node-by-Node Explanation This workflow is divided into three functional phases: Initialization, AI Processing, and R ...
2
Built by iamvaar iamvaar
Mar 23, 2026
Screen and score investment deals with AI using OpenAI, Gmail, and Telegram
Screen and Score Investment Deals with AI using OpenAI, Gmail, and Telegram Automatically screens incoming deal submissions using AI, scores them against investment criteria, and routes to the right ...
91
Built by Devon Toh Devon Toh
Mar 22, 2026
Triage incidents and enforce SLAs with Gemini, Groq, Google Sheets and Slack
Reduce MTTR with context-aware AI severity analysis and automated SLA enforcement Know that feeling when a "low priority" ticket turns into a production fire? Or when your on-call rotation starts sho ...
1
Mar 22, 2026
Execute forex trading signals from Telegram on MetaTrader 5 with Claude
Telegram Signal Receiver and Processor This n8n template is the missing link between your Telegram trading signal channels and MetaTrader 5. It listens to your Telegram bot, uses AI to detect and par ...
1
Mar 22, 2026
Send AI website audits with GPT-4.1 and Gmail as a lead magnet
How it works A prospect submits a form with their email and website URL The workflow fetches and cleans the website HTML, extracting key business signals An Analyst Agent reads the content and produc ...
0
Mar 22, 2026
Classify cold email replies and notify via Telegram with OpenAI and Instantly
Classify Cold Email Replies and Notify via Telegram with OpenAI and Instantly Automatically classifies incoming cold email replies as HOT, WARM, or COLD using AI and sends priority Telegram notificat ...
2
Built by Devon Toh Devon Toh
Mar 21, 2026
Re-engage old clients with Claude 3.7 Sonnet, Gmail and Google Sheets
Description Automatically re-engage old or inactive clients by sending AI-personalized follow-up emails using Claude 3.7 Sonnet, Gmail, and Google Sheets — with smart reply detection to avoid messa ...
0
Built by isaWOW isaWOW
Mar 21, 2026
Generate Upwork SEO proposals with GPT-4, DeepSeek, Claude and Google Docs
Description Automatically analyze Upwork SEO job posts, detect hidden screening questions, generate personalized cover letters with portfolio examples using GPT-4 Turbo, DeepSeek & Claude AI — all ...
0
Mar 21, 2026
Summarize Bitcoin news in Japanese and post to Discord with Gemini AI
Automate your Bitcoin content pipeline by turning the latest CoinDesk headlines into structured Japanese summaries posted to Discord every six hours — completely hands-free. Who is this for Crypto t ...
1
Built by Ryo Sayama Ryo Sayama
Mar 21, 2026
Scan business cards from LINE with Gemini to Sheets, Slack, and Gmail
Who is this for This workflow is designed for sales professionals, account managers, and small business owners in Japan who frequently exchange business cards. Instead of manually entering contact de ...
0
Built by Ryo Sayama Ryo Sayama
Mar 21, 2026
Log LINE invoice photos to Google Sheets with OCR.space and Gemini AI
Who is this for Freelancers, small business owners, and accounting teams in Japan who receive invoices and want to eliminate manual data entry into spreadsheets. What this workflow does Send an inv ...
1
Built by Ryo Sayama Ryo Sayama
Mar 21, 2026
Proofread markdown blog posts with Gemini, Groq fallback and GitHub auto-commit
Your personal editor that finds tone, grammar, and clarity issues in markdown, then fixes them and commits back to GitHub automatically. Stop manually proofreading markdown files. This workflow uses ...
1
Mar 20, 2026
Generate product photos and videos from a reference image with OpenAI and RunwayML
What This Workflow Does A user submits a form with an existing product photo, a name, a vision prompt, and their email. The workflow generates a brand-new AI product image from that photo, turns it in ...
0
Built by Jason Stelo Jason Stelo
Mar 20, 2026
Generate cold email icebreakers and subject lines with Google Sheets and OpenAI
Email List Personalization - Icebreaker & Subject Line Generator Reads an enriched lead list from Google Sheets, generates a personalized icebreaker + subject line for each lead using OpenAI, and wri ...
17
Built by Devon Toh Devon Toh
Mar 20, 2026
Qualify lead lists and find professional emails with OpenAI and Google Sheets
Qualify Lead Lists And Find Professional Emails With OpenAI and Google Sheets Drop a lead list into Google Drive. This workflow reads it, finds professional emails using OpenAI, and splits leads into ...
5
Built by Devon Toh Devon Toh
Mar 20, 2026
Judge AI math RPG answers with OpenAI/OpenRouter and update quests in Google Sheets
Judge AI math RPG answers and update quest status in Google Sheets Who it's for This template is for educators, parents, or self-learners who want to gamify their study routines. This is Part 2 of th ...
0
Mar 20, 2026
Generate AI math RPG quests from study logs with Google Sheets and OpenRouter
Generate AI math RPG quests from study logs in Google Sheets Who it's for This template is for educators, parents, or self-learners who want to gamify their study routines. It turns boring study logs ...
0
Mar 20, 2026