Browse 7,043 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.

7,043 workflows in Langchain
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Flag anomalous B2B orders with Google Sheets, Gemini, and Slack
Quick overview Youtube Video: https://youtu.be/f7Kh1q_xL9I This workflow runs every 15 minutes to review pending distributor orders stored in Google Sheets, enriches them with customer, product, cred ...
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Built by iamvaar iamvaar
Oct 08, 2026
Optimize dead shelf products with Google Sheets, Google Gemini and Slack
Quick overview Youtube Video: https://youtu.be/iDW5lD-AHxM This workflow runs daily to analyze planogrammed prime eye-level SKUs using Sheets catalog, sales, and inventory data, then uses Gemini to v ...
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Built by iamvaar iamvaar
Oct 08, 2026
Auto-fill missing WordPress image alt text with OpenAI and Google Sheets
Quick overview This workflow scans your WordPress media library for images missing alt text, generates context-aware alt text with OpenAI vision using the attached post/page title and excerpt, and log ...
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Built by 3t3 3t3
Oct 08, 2026
Find top Instagram hashtag posts and AI-drafted comments with Google Sheets
Quick overview This workflow runs daily to fetch top Instagram hashtag posts via the Meta (Facebook) Graph API, uses OpenAI to score relevance and draft comment options, and appends high-scoring posts ...
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Built by Javed Iqbal Javed Iqbal
Oct 08, 2026
Triage after-hours Vapi and Retell calls with GPT-4.1, Slack, and Gmail
Quick overview This workflow accepts end-of-call webhooks from Vapi and Retell, uses OpenAI to classify call urgency from the transcript, logs calls to Google Sheets, pages an on-call and backup team ...
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Built by isaWOW isaWOW
Oct 08, 2026
Triage Connectively tech questions with OpenAI and send alerts to Telegram
Quick overview This workflow allows you to fetch questions from Connectively and check if the questions match your background. If so, it sends a notification to your Telegram account with the question ...
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Built by Eugene Eugene
Oct 08, 2026
Send newsletter welcomes and release announcements with GitHub, OpenAI and SMTP
Quick overview Manage newsletter subscriptions and product release notifications in one n8n workflow. It validates and stores subscribers, sends welcome emails, extracts release notes from your change ...
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Built by Paolo Ronco Paolo Ronco
Oct 07, 2026
Screen US stocks by SEC revenue growth with GPT-5, Yahoo Finance and Telegram
Quick overview Telegram message, uses OpenAI GPT-5 to turn a plain-language prompt into screening criteria, pulls quarterly revenue from SEC XBRL filings, adds Yahoo Finance price moves, and sends a r ...
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Oct 07, 2026
Sweep unread Gmail junk to spam with GPT-5, Telegram, and Google Sheets
Quick overview This workflow sweeps unread Gmail inbox messages on a schedule or via Telegram, uses OpenAI GPT-5 to identify high-confidence junk from unknown senders, moves selected emails to Gmail S ...
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Oct 07, 2026
Answer Telegram customer FAQs with Gemini and Google Sheets
Quick overview This workflow listens for incoming Telegram messages, pulls an FAQ from Google Sheets, and uses Google Gemini to reply in the customer’s language while keeping short chat history. It ...
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Oct 07, 2026
Handle after-hours WhatsApp support with NUACOM, OpenAI and Google Calendar
Quick overview This workflow triggers on incoming NUACOM WhatsApp messages, only responds after hours, and uses an OpenAI-powered agent with an n8n Data Table knowledge base plus Google Calendar tools ...
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Built by Stathis Stathis
Oct 07, 2026
Generate secure competitor research briefs with SoterAI and Groq Llama 3.3
Quick overview This workflow accepts a competitor research request via n8n Chat, a POST webhook, or manual run, screens it with SoterAI for prompt-injection risk, gathers web intelligence, and uses Gr ...
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Oct 07, 2026
Monitor daily Shopify profit leaks with GPT-4o, Google Sheets and Slack
Quick overview This workflow runs every morning to pull yesterday’s orders and product variants from Shopify, calculate profit and margin leak signals, generate a short commentary with OpenAI, post ...
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Built by Anna Cole Anna Cole
Oct 07, 2026
Triage pharmacy expiry actions with Google Sheets, Slack, Gmail and Gemini
Quick overview Linkedin: https://www.linkedin.com/feed/update/urn:li:activity:7513219338414219265/ This workflow runs every day at 6AM to analyze pharmacy inventory in Google Sheets, predict expiry r ...
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Built by iamvaar iamvaar
Oct 07, 2026
Send a daily AWS news digest to Microsoft Teams with AWS Bedrock Claude
Quick overview This workflow runs daily to read the AWS What’s New RSS feed, uses AWS Bedrock (Anthropic Claude) to score and summarize announcements against your AWS service list (optionally enrich ...
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Built by Sukhman Sukhman
Oct 07, 2026
Analyze competitor marketing emails with Claude and Google Sheets
Quick Overview This workflow runs daily, pulls recent competitor newsletter emails from Gmail, analyzes each message with Anthropic Claude, and appends structured insights and response ideas to Google ...
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Built by dilshi dilshi
Oct 07, 2026
Detect recalled Shopify products with CPSC, FDA, OpenAI, Slack, and Google Sheets
Quick overview This workflow runs every morning, checks recent CPSC and FDA recalls against your Shopify product catalog, uses OpenAI to verify likely matches, and then posts alerts to Slack while log ...
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Built by Anna Cole Anna Cole
Oct 07, 2026
Prep court hearing briefs and clash alerts with Google Sheets, OpenAI, WhatsApp and Telegram
Quick overview This workflow schedules daily court-hearing preparation by pulling active cases from Google Sheets, downloading court cause lists via HTTP, extracting PDF/HTML text, matching listings, ...
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Built by Rahul Joshi Rahul Joshi
Oct 07, 2026
Analyze machine downtime and OEE with Google Sheets, OpenAI and WhatsApp
Quick overview This workflow captures per-shift machine production and downtime data via an n8n Form or an authenticated webhook, calculates OEE and TPM Six Big Losses from Google Sheets data, uses Op ...
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Built by Rahul Joshi Rahul Joshi
Oct 07, 2026
Collect SOC 2 and ISO 27001 evidence with GitHub, Google Workspace, AWS, and GPT-4o
Quick overview This workflow runs monthly to collect SOC 2 and ISO 27001 evidence from GitHub, Google Workspace, and AWS IAM, then logs results to Google Sheets, archives a JSON snapshot to Google Dri ...
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Built by Rahul Joshi Rahul Joshi
Oct 07, 2026