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 SEO blog topics and articles with Google Sheets, OpenAI, and Claude
Quick overview This workflow uses Google Sheets, OpenAI, Anthropic, and a Google Apps Script web app to generate blog topic ideas per client, save them for approval, and then turn approved topics into ...
0
Sep 02, 2026
Score and route Facebook Marketplace leads with OpenAI, Supabase, and Slack
Quick overview This workflow captures new Facebook Marketplace page messages, uses OpenAI (GPT-4o-mini) to extract structured inquiry details, stores them in Supabase, scores the lead based on intent, ...
0
Sep 02, 2026
Route craft brewery orders with OpenAI, Google Sheets, and Gmail
Quick overview This workflow receives retailer orders via webhook, looks up territory and allocation data in Google Sheets, uses OpenAI to apply three-tier compliance rules, then emails sales ops or c ...
0
Sep 02, 2026
Review cannabis orders for compliance with GPT-5 Mini, Gmail and Google Sheets
Quick overview This workflow receives completed dispensary orders via a webhook, uses OpenAI (GPT-5 Mini) to review recall, METRC tag, and quantity-limit compliance, emails the appropriate staff via G ...
0
Sep 02, 2026
Score QSR health inspections and send Gmail compliance digests with OpenAI
Quick overview This workflow runs daily to process multi-location QSR health inspection notes, uses OpenAI to extract violation severity and corrective actions, logs per-location and batch summaries t ...
0
Sep 02, 2026
Qualify and score Telegram leads with OpenAI, Google Sheets and Gmail
Quick overview A Telegram bot that qualifies inbound leads with OpenAI, scores them against your own threshold, logs each one to Google Sheets, and emails your team through Gmail only when a conversat ...
0
Built by tony tony
Sep 01, 2026
Summarize RB2B website visitors in Slack with Google Sheets and Claude
Quick overview This workflow captures RB2B-identified website visitors to Google Sheets and sends a daily morning Slack digest summarizing yesterday’s visits using Anthropic Claude, including top pa ...
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Built by Keith Uy Keith Uy
Sep 01, 2026
Manage end-to-end RMA and warranty returns with GPT-4.1-mini and Google Sheets
Quick overview This workflow captures warranty or return requests via an n8n form, validates order and product details in Google Sheets, uses OpenAI to classify issues and assess risk, routes cases fo ...
0
Sep 01, 2026
Create SEO WordPress blog drafts from a Google Sheets queue with Gemini
Quick overview This workflow runs weekly to turn a picked topic from Google Sheets into a validated SEO blog draft in WordPress using Google Gemini for article and image generation, then writes the dr ...
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Built by Sami Sami
Sep 01, 2026
Run a Telegram hotel search bot with OpenAI and WinWin MCP
Quick overview This workflow powers a Telegram hotel demo bot that uses OpenAI and the WinWin MCP to search live hotel offers, send rich offer cards with booking links, and store/retrieve validated ho ...
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Built by Vadym Vadym
Sep 01, 2026
Qualify real estate WhatsApp leads with Gemini, Airtable and Google Calendar
Quick overview An AI-powered WhatsApp assistant for real estate teams. Answers property questions from a live Airtable database, qualifies leads as hot, warm, or cold, checks calendar availability b ...
0
Sep 01, 2026
Run real estate SMS campaigns with GPT-4.1, Apify, Twilio, and Google Sheets
Quick overview This workflow runs a chat-based assistant that drafts and approves an SMS campaign, finds real estate agents by postcode via Apify, sends personalized texts with Twilio, and logs delive ...
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Built by isaWOW isaWOW
Sep 01, 2026
Create blameless win/loss retro prompts from closed-lost HubSpot deals with OpenAI and TeamRetro
Quick overview This workflow watches HubSpot deal stage changes, and when a deal is marked closed-lost it uses OpenAI to turn the loss details into blameless retro discussion prompts, dedupes them aga ...
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Built by TeamRetro TeamRetro
Sep 01, 2026
Monitor brand news and send AI-prioritized digests with Gemini, Sheets, Slack and Gmail
Quick Overview This workflow runs on a schedule to monitor Google News RSS for multiple brand keywords, deduplicates results against a Google Sheets log, analyzes articles with Google Gemini, and send ...
0
Sep 01, 2026
Triage slowing Zoho CRM deals with OpenAI GPT-4o-mini and send Slack alerts
Quick Overview This workflow runs every two hours to pull deals from Zoho CRM, calculate momentum and velocity metrics from recent activity, use OpenAI to generate sales acceleration tactics for slowi ...
0
Sep 01, 2026
Run an AI Telegram shopping assistant with AWS Bedrock, Paystack and Google Sheets
Quick overview This workflow runs a Telegram shopping assistant powered by AWS Bedrock, using Google Sheets as a product catalog and cart store, generates Paystack payment links, and fulfills successf ...
0
Sep 01, 2026
Plan study sessions from syllabus PDFs with Gemini, Google Calendar, and Sheets
Quick overview This workflow downloads a syllabus PDF from Google Drive, extracts and cleans the text, uses Google Gemini to identify assignments and due dates, then creates Google Calendar events for ...
0
Sep 01, 2026
Summarize meetings and sync action items with Whisper, Claude, HubSpot, Gmail and Slack
Quick Overview This workflow accepts a meeting recording upload, transcribes it with OpenAI Whisper, analyzes it with Anthropic Claude to extract insights and action items, syncs updates to HubSpot, d ...
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Built by ResilNext ResilNext
Sep 01, 2026
Maintain and rewrite knowledge base articles with Claude and Slack
Quick Overview This workflow runs weekly to audit knowledge base articles for staleness, broken links, user sentiment, factual accuracy, and SEO, then uses Anthropic Claude to rewrite low-complexity u ...
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Built by ResilNext ResilNext
Sep 01, 2026
Draft customer-facing changelogs from merged GitHub PRs with OpenAI and Gmail
Quick overview Reads merged pull requests from your repositories, drops the bots and the changes nobody outside the team can see, asks a model which of the rest a customer would notice, and drafts the ...
0
Sep 01, 2026