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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Handle GDPR access and erasure emails with Gmail, GPT-4o, Supabase and Airtable
🚀 How it works Handles GDPR Article 15 (access) and Article 17 (erasure) requests end-to-end — from inbound email to legally-compliant response — with zero manual intervention and a full ...
0
Mar 18, 2026
Send post-purchase emails from Postgres with Gmail and Groq AI
How it works This workflow monitors new orders from a Postgres database and sends a confirmation email instantly. It then waits until the expected delivery time and continuously checks the delivery ...
0
Mar 18, 2026
Scrape B2B leads from Apollo, generate Groq AI emails, and send via Gmail
This n8n workflow automates your entire B2B outreach pipeline from lead discovery to personalized cold email delivery. Submit a form, let Apollo find and enrich your leads, review AI-generated emails ...
1
Mar 18, 2026
Screen job applications from Google Forms with Google Gemini and email results
🤖 AI Resume Screener — Google Forms to Automated Shortlisting & Email Automatically score every job application with AI, update your tracking sheet, and send personalised emails to candidates � ...
0
Mar 18, 2026
Qualify real estate leads from Typeform to Airtable with Gemini and smart email routing
🏠 AI Real Estate Lead Qualifier — Typeform to Airtable with Smart Email Routing Automatically qualify property leads, score them with AI, save to Airtable, and send personalised emails — all i ...
0
Mar 18, 2026
Send AI-parsed restaurant orders and status updates via Telegram and Google Sheets
🍕 AI-Powered Restaurant Order & Notification System A Complete n8n Workflow for Automated Ordering and Customer Updates This professional n8n workflow provides an end-to-end solution for small res ...
0
Mar 18, 2026
Track expenses via chat with Claude Haiku and Google Sheets
💰 AI Expense Tracker — Chat to Track Spending Instantly Track your expenses by chatting naturally. No forms, no apps — just type and it's saved. 📖 Description This workflow turns a simple ...
0
Mar 18, 2026
Generate real-estate marketing images and videos with OpenAI and Google Drive
🏡 Automated Real-Estate Content Generation Workflow This n8n workflow automates turning short user ideas into production-ready real-estate marketing assets (photorealistic images and optional 360� ...
0
Mar 18, 2026
Convert PDF content to an MCQ question bank in Excel with Google Gemini
🚀 Convert PDF to MCQ Question Bank in Excel with AI (Gemini) Convert any PDF into a structured Multiple Choice Question (MCQ) bank with answer keys and explanations — fully automated using n8n a ...
0
Built by Ramdoni Ramdoni
Mar 18, 2026
Analyze GitLab CI job failures with GPT-5.3 and send reports to Slack
Overview This workflow helps automatically analyze the causes of build failures in Gitlab CI and propose solutions without involving DevOps engineers. See detailed setup guide How it work Checks whet ...
18
Mar 18, 2026
Score DNS threats with VirusTotal, Abuse.ch, HashiCorp Vault and Gemini
Quick overview Turns DNS traffic into threat verdicts. Each new domain/IP pair is checked with VirusTotal, ThreatFox and URLhaus, scored by deterministic rules in PostgreSQL, reviewed by a Gemini AI a ...
216
Built by Lukasz FD Lukasz FD
Mar 17, 2026
Audit connected integrations and email pricing & limits report with n8n API, Claude and Gmail
How it works Connects to your n8n instance via API and fetches all credentials you have set up Maps each credential type to its real service name (supports 40+ services: OpenAI, Slack, Notion, Airtab ...
1
Mar 17, 2026
Rerank PM priorities every 2 hours using OpenAI, Notion, and Slack
Description AI-powered priority re-evaluation every 2 hours. Analyzes new signals, meeting decisions, emails, and blockers, then runs 3 AI passes (Impact, Urgency, Final Ranking) to suggest re-ranking ...
0
Mar 17, 2026
Generate C API HTML docs from Google Drive headers with GPT-4o and Gmail
🚀 Overview This n8n workflow automatically generates professional API documentation from C header (.h) files using AI. It scans a Google Drive folder for header files, extracts the source code, ...
0
Mar 16, 2026
Generate AI-powered investment due diligence PDF reports with OpenAI, LlamaParse and Decodo
Turn pitch decks into investment-grade PDFs. This workflow parses raw investment memorandums and financial decks with LlamaParse, enriches them with real-time web intelligence from Decodo, and has an ...
167
Mar 16, 2026
Process emailed PDF invoices into QuickBooks bills with OpenAI
AI Invoice Processor for QuickBooks - Email to Bill with PDF Attachment Automatically processes vendor invoices received by email, creates QuickBooks bills with full details, and attaches the origina ...
1
Built by Codez & AI Codez & AI
Mar 16, 2026
Repurpose long-form content into Instagram and LinkedIn posts with OpenAI and Teams
Who is this for Content creators, solopreneurs, and marketing teams who produce long-form content (podcasts, newsletters, interviews, scripts) and want to automatically turn it into multiple social m ...
2
Mar 16, 2026
Summarize stock market signals with Alpaca, xAI Grok, Telegram and WhatsApp
Who Is This For? This workflow is designed for stock traders, financial analysts, and investment enthusiasts who want automated technical analysis and regular market updates. It's particularly useful ...
17
Mar 16, 2026
Generate job descriptions from briefing notes with OpenAI and Google Docs
Auto-generate job descriptions from briefing notes with OpenAI and Google Docs Who is this for Recruiters, HR teams, and hiring managers who conduct role briefing conversations and want to convert t ...
1
Mar 15, 2026