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.
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Quick overview
This workflow is called by another n8n workflow to ensure a specific n8n Data Table exists, checking existing tables first and creating the table with an OpenAI-powered agent and Data T ...
Quick Overview
This chat-based workflow uses Google Gemini and a Supabase vector store to answer electronic component questions from indexed PDF datasheets, and when information is missing it searches ...
Quick overview
This workflow runs daily to fetch the latest AI stories from Hacker News (Algolia API), scrape and convert each article to text, summarize them in Russian using OpenRouter (GPT-5 with G ...
Quick Overview
This workflow receives inbound leads via a webhook, optionally fetches and cleans the company website content, uses OpenAI (GPT-4.1 mini) to qualify and score the lead and generate outr ...
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This workflow captures leads via webhooks, logs UTM-based channel attribution to Google Sheets, attributes won-deal revenue back to the original channel, and sends a monthly executive s ...
Quick overview
This workflow monitors a time-boxed event by pulling live activity across your social media from Fanbase MCP every 15 minutes, analyzing each interval with Google Gemini, storing result ...
Quick overview
This workflow automatically collects a landing page URL through a form, fetches the website content, analyzes it with an OpenAI-powered AI Agent, and returns personalized conversion rat ...
Email Automation Workflow Template
This n8n template demonstrates how to automate email classification, labeling, draft generation, and logging using Gmail, OpenAI, and Google Sheets.
Use cases inc ...
Quick overview
This workflow runs daily on a schedule, reads world-news RSS feeds from BBC, ABC News, and The Guardian, rewrites the 10 most recent articles using Google Gemini, and sends the formatte ...
Quick overview
This workflow fetches comments from a Facebook Page post via the Facebook Graph API, classifies each comment’s sentiment with OpenAI, stores results in Google Sheets, and emails a sen ...
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This workflow turns a product photo sent via Telegram into an AI-generated short video ad using OpenAI for image analysis and concept/caption writing, AtlasCloud Seedance 2.0 for text-t ...
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This workflow manually scrapes Facebook Ad Library results via apify, filters for high-like advertisers, analyzes video/image/text ads with OpenAI (vision + text), and appends a strateg ...
Quick Overview
This workflow runs weekly to read metrics from Google Sheets, compute totals and averages, generate an executive summary with Google Gemini, and send a styled HTML report email via Gmai ...
Quick Overview
This workflow provides a public chat that answers customer questions strictly from an FAQ stored in Google Sheets using Google Gemini, and logs any questions not covered by the FAQ to a ...
Quick Overview
This workflow collects signups via an n8n form, logs them to Google Sheets, and uses Google Gemini to generate a 3-part personalized onboarding email drip sent through Gmail over five d ...
Quick Overview
This workflow runs each morning, pulls today’s events from Google Calendar, uses Google Gemini to generate a short prep brief for each meeting, combines the briefs into a single daily ...
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This workflow polls the TechCrunch RSS feed for new articles, uses Google Gemini to generate three LinkedIn content angles, then uses PostNitro to create a carousel design and schedule ...
Quick overview
This workflow monitors the TechCrunch RSS feed, uses Google Gemini to generate three distinct LinkedIn content angles per article, then uses PostNitro AI to build a carousel design and ...
Quick overview
This workflow pulls page-query data from Google Search Console, crawls URLs from your sitemap to map existing internal links and identify orphan pages, then uses Claude via OpenRouter t ...
Quick overview
This workflow accepts invoice documents via webhook, validates and de-duplicates them, extracts invoice data from PDFs with OpenAI, and either posts approved invoices to an ERP via HTTP ...