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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Find and prepare event outreach contacts with OpenAI, Tavily, and Google Sheets
Quick overview Spent hours finding where to promote your event and who to contact? Fill in one form and this workflow finds relevant directories, communities and local media, works out how to get list ...
0
Oct 10, 2026
Find software alternatives with DuckDuckGo and OpenRouter Gemini
Quick overview Type a software product's name; this workflow reads the pages DuckDuckGo finds for its alternatives and shows a table: each tool, how many separate sites list it, and a sentence copie ...
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Built by Sam Sam
Oct 10, 2026
Draft and review Reddit and Quora posts with Claude and Google Sheets
Quick Overview This workflow collects a Reddit or Quora post request via an n8n form, researches the topic with Serper Google Search, drafts platform-specific content with Anthropic Claude, saves it t ...
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Built by dilshi dilshi
Oct 10, 2026
Record Chatwork expense and sales notes to Google Sheets with Claude checks
Quick overview This workflow polls selected Chatwork rooms every 5 minutes, logs new messages to Google Sheets, uses Anthropic Claude to extract expense and sales records from keyword-tagged notes, va ...
0
Oct 10, 2026
Run a WhatsApp AI support bot with Google Drive, OpenAI, and Telegram
Quick overview This workflow runs an AI WhatsApp support bot that answers using Google Drive documents indexed into n8n Data Tables with OpenAI embeddings, and hands conversations to your team via Tel ...
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Built by Anna Cole Anna Cole
Oct 10, 2026
Create numbered PDF invoices from Gmail with Claude, MintPDF, and Google Sheets
Quick overview This workflow polls Gmail for invoice or order request emails, uses Anthropic Claude to extract structured billing details, validates totals, assigns a sequential invoice number from Go ...
0
Oct 10, 2026
Handle WhatsApp customer chats with OpenAI and Data Tables
Quick overview This workflow creates Data Tables for message logging and FAQ, then runs a WhatsApp Cloud API assistant that can read text, voice notes, images, and PDFs, uses OpenAI to respond with co ...
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Built by Anna Cole Anna Cole
Oct 10, 2026
Route and translate LINE chats between Slack and LINE with Claude
Quick overview This workflow routes LINE customer messages into Slack for Japanese-speaking staff, using Anthropic Claude to detect language and translate messages to Japanese, then translating staff ...
0
Oct 10, 2026
Handle LINE support in Slack with Claude and Google Gemini embeddings
Quick overview This workflow routes LINE customer inquiries into Slack threads, uses Anthropic Claude plus an in-memory vector store (Google Gemini embeddings) to suggest or send replies, and learns f ...
0
Oct 10, 2026
Create TikTok, Reels and Shorts product videos from Shopify with Gemini and Veo
Quick Overview This workflow triggers when a new Shopify product is created, uses Google Gemini (including Veo 3.1) to turn the product image into an 8-second vertical video, publishes it to TikTok, I ...
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Built by PostWire PostWire
Oct 10, 2026
Sync webhook and emailed records with Airtable, HubSpot, Gmail, OpenAI and Telegram
Quick overview This workflow ingests business records from an authenticated webhook or PDF attachments in Gmail, then deduplicates, validates, and syncs changes to Airtable and HubSpot. It logs every ...
0
Oct 10, 2026
Triage Gmail inbox, route emails with Jev, and draft replies with OpenAI
Quick overview This workflow monitors unread Gmail inbox messages, uses TypeSafe AI Jev to score urgency and route each email to a department label, and, when a reply is needed, uses OpenAI to generat ...
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Built by Dr. Firas Dr. Firas
Oct 09, 2026
Extract FF&E product details from supplier URLs with Google Gemini and Google Sheets
Quick overview Built for FF&E teams that spend too much time copying product information from supplier websites into schedules. The workflow takes a product URL, extracts the usable product data, stru ...
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Built by Ebad Ullah Ebad Ullah
Oct 09, 2026
Create HubSpot call tasks for new B2B visitors with Webmetic, OpenAI and Teams
Quick overview Every minute, this workflow picks up companies Webmetic identified on your website for the first time. If HubSpot or any CRM shows an open deal, the deal owner gets a task. Otherwise We ...
0
Oct 09, 2026
Log AI agent runs in hash-chained receipts with OpenAI and Data Tables
Quick overview This workflow exposes webhook endpoints to run an OpenAI-powered agent per client, log each run into an n8n Data Table as a SHA-256 hash chain, and email daily integrity reports and anc ...
0
Oct 09, 2026
Send scoped onboarding policy signatures with Probo and OpenAI
Quick overview This workflow triggers when a new user is created in Probo via SCIM, validates the account, waits for profile completion, then uses AI agent to decide which published Probo policies the ...
0
Oct 09, 2026
Flag B2B churn-risk orders from Google Sheets with Gemini and Slack alerts
Quick overview Youtube Video: https://youtu.be/yjCtj3-QLws This workflow runs daily and monitors new B2B order rows in Sheets, compares them to account baselines, and flags churn-risk anomalies. For ...
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Built by iamvaar iamvaar
Oct 08, 2026
Chase overdue QuickBooks invoices with Claude, Gmail, Slack and Google Sheets
Quick overview This workflow runs every weekday to find overdue QuickBooks Online invoices, selects the right reminder stage using Google Sheets logs and a do-not-chase list, drafts or sends Gmail rem ...
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Built by Amplence Amplence
Oct 08, 2026
Create Telegram video briefs with OpenRouter GPT-4.1 and Zvid
Quick overview Turn a Telegram brief into an editable Zvid video draft and signed credit quote. After approval, render the video, wait for the accepted job, and return its completed MP4 through Telegr ...
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Built by Zvid Zvid
Oct 08, 2026
Answer masked customer support tickets with Claude and Google Gemini RAG
Quick overview This workflow receives support inquiries via webhook, masks personal data, searches similar past Q&A in an in-memory vector store using Google Gemini embeddings, and uses Anthropic Clau ...
0
Oct 08, 2026