Browse 6,989 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 collects blog keywords via an n8n form, uses Anthropic Claude to plan and write an SEO-focused article based on a reference post’s structure, then assembles the content ...
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This workflow runs every weekday morning to read open document requests from Google Sheets, uses OpenAI to draft reminder emails in your firm’s tone, sends them via Gmail, and updates ...
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This workflow watches for new unread Gmail messages, uses OpenAI to classify each email and draft a reply, then either creates a Gmail draft in the original thread and labels the messag ...
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This workflow collects a video idea via an n8n form, uses Google Gemini to generate multiple opening-hook variants and Veo 3.1 to render a short vertical video for each, then uploads an ...
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This workflow listens for a text idea sent to a Telegram bot, uses Google Gemini to generate a Veo 3.1 prompt and platform-specific copy, renders an 8-second vertical video with Veo 3.1 ...
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This workflow monitors a Gmail label for Shopify return-request emails, uses Anthropic Claude to extract key details, checks eligibility against a JavaScript return policy, calculates t ...
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This workflow runs daily to monitor the CISA Known Exploited Vulnerabilities (KEV) catalog for CVEs matching your tech stack, enriches them with FIRST EPSS scores, uses OpenAI to genera ...
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This workflow collects QA/QC audit findings via an n8n form, uses Google Gemini to assess severity and CAPA need, and then tracks CAPAs in Google Sheets while sending assignment, verifi ...
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This workflow runs hourly to calculate rent due from Google Sheets leases, match incoming bank statement lines to tenants, and automatically chase arrears via Twilio SMS and Gmail email ...
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This workflow pulls unread “purchase request” emails from Gmail, uses a Groq-hosted LLM to extract line items and urgency into structured JSON, matches items against an Airtable cat ...
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This workflow is triggered by a webhook, pulls category spend plus supplier and market data via HTTP requests, uses OpenAI to generate a procurement category strategy, writes it into a ...
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This workflow monitors a Google Sheets loan application tracker, alerts the team in Slack for SLA breaches, escalates high-value loans by Gmail, sends Gemini-generated status update ema ...
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This workflow receives LINE Messaging API webhooks, drafts customer replies with Anthropic Claude using n8n Data Tables for stock and visit availability, and emails the draft to staff i ...
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This workflow monitors a Gmail inbox for unread customer feedback, uses OpenAI to triage and deduplicate requests against existing Linear issues, and then creates a new issue, adds a co ...
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This workflow collects a product image URL and product name from an n8n form, uses OpenAI Vision to build an ideal UGC creator persona, uses Google Gemini to generate three 12‑second ...
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Turn any lead list into cold emails that sound written by hand. AI reads each lead's website, writes the email and a follow-up from your offer brief, and a quality check stops spammy co ...
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This workflow runs on a schedule or manually to read unpaid invoices from Google Sheets, checks recent client email history in Gmail, uses Anthropic Claude to decide whether to send or ...
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This workflow acts as a WhatsApp AI receptionist: it receives text, voice notes, and photos via WhatsApp Cloud API, transcribes audio and describes images through OpenRouter, then uses ...
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This workflow powers a Facebook Messenger chatbot that batches incoming user messages, answers with an OpenRouter chat model using RAG retrieval from a Supabase vector store, and keeps ...
Quick overview
This workflow applies a demo refund policy, asks an AI agent to explain the decision, and saves the case and the final decision as custom execution data so you can find the run later. I ...
