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.
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Quick overview
This workflow reads video prompts from Google Sheets, generates an AI video using Google Veo3 via fal.run, saves the file to Google Drive, creates an SEO-friendly title with OpenAI, upl ...
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Our workflow takes product data, generates AI images and voiceover, stores assets in Google Drive, then combines everything into a 9:16 video with automatic captions using JSON2Video.
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Quick overview
This workflow monitors Stripe dispute events and runs a daily deadline check, then uses OpenAI to draft a facts-only rebuttal letter, updates dispute evidence in Stripe (draft or submit ...
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This workflow runs hourly to read unread Gmail messages, uses OpenAI to classify them, and then files expenses, sales orders, and settlements to Google Sheets with supporting PDFs store ...
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Answers customer emails in Gmail using only a knowledge base you keep in Google Docs. When the answer isn't there, it asks you, turns your answer into a reply, and sends you a ready-to- ...
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This workflow tracks return shipments and refunds by extracting data from scanned return receipts in Google Drive, enriching it via Gmail and Kontoflux, storing everything in an n8n Dat ...
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Monitor competitor websites and news automatically every week. Built for founders, marketers and sales teams, this workflow detects pricing, product and messaging changes, uses Google G ...
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Gemini reads every Contact Form 7 submission and sorts it into lead, support or spam. Leads are scored from 1 to 5 and saved to HubSpot with a note, support requests go to their own Sla ...
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This workflow runs hourly to process unread Gmail messages, uses OpenAI to classify them (sales, expense, settlement, transaction, notification, other), extracts key fields for expenses ...
Quick Overview
This workflow receives WhatsApp webhooks from Meta, stores conversation history in Google Sheets per phone number, generates short context-aware replies with OpenAI, and supports a “s ...
Quick overview
This workflow receives a webhook request with a topic and context, generates platform-specific copy for LinkedIn, X, Facebook, and Instagram using Anthropic Claude, Google Gemini, or Op ...
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This workflow runs on a manual or daily schedule to sync WooCommerce products into Pinecone by fetching changed items, enriching them with variations and reviews, generating OpenAI embe ...
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This workflow runs daily to reconcile Razorpay payments and settlements against invoice and bank-credit records in Google Sheets, logs exceptions, sends receipt emails via Gmail, create ...
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This workflow listens for Telegram messages (text or voice), transcribes voice notes with OpenAI, computes an entropy-based yes/no verdict via sub-workflows, then replies with an OpenAI ...
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This workflow opens an n8n chat where an OpenAI-powered agent uses the JobsPipe MCP server to answer questions about who is hiring, returning job-posting-backed results with source link ...
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Receives cold-chain excursion telemetry via webhook, enriches it via an external stability API, and uses OpenAI to extract facts and draft disposition rationales. It routes lots for rel ...
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This workflow monitors a Gmail label for donor screening questionnaire emails, extracts AABB-style risk flags with OpenAI, calculates the effective donor deferral and component release ...
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This workflow receives a daily batch of golf course zone sensor readings, pulls a forecast from Open-Meteo, calculates per-zone irrigation runtimes, checks pesticide-label REI and water ...
Quick Overview
This workflow processes expense receipts emailed to Gmail, extracts receipt data with OpenAI, checks it against rules and historical data stored in Google Sheets, and routes claims for ...
Quick overview
This workflow connects WhatsApp and Telegram to six specialist OpenAI agents for sales, supplier management, inventory, invoices, appointments and customer support. It retrieves busines ...