Browse 6,328 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.
6,328 workflows
in Langchain
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Quick overview
This workflow captures client inquiries via an n8n Form, uses OpenAI to generate an internal brief and client-facing summary, logs the submission to Google Sheets, creates a Google Driv ...
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This workflow receives English practice messages via a webhook, uses an OpenRouter chat model with Postgres-backed conversation memory to generate tutoring feedback, logs the exchange t ...
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This workflow polls Gmail every 15 minutes for unread invoice or receipt emails, uses Anthropic Claude (Sonnet) to extract key financial fields, logs new documents to Google Sheets, sen ...
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This workflow starts when a GoHighLevel opportunity is marked Won, uses Anthropic Claude to generate a tailored welcome email and 6-task onboarding plan,creates tasks in GoHighLevel,the ...
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This workflow connects Slack with Google Workspace, Cal.com, OpenWeather, and Google Gemini to act as a Slack-based assistant for Gmail, Calendar, Docs, Sheets, Drive, and Contacts, and ...
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This workflow answers WhatsApp support messages using Google Gemini with company context from Google Docs, and automatically creates Cal.com bookings when users provide enough schedulin ...
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This workflow runs hourly to scan Binance USDT trading pairs for unusual 1-hour volume spikes, enriches spikes with order book metrics and GPT-4o analysis, then sends a ranked Telegram ...
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This workflow triggers on failed Stripe invoice payments, uses OpenAI to generate an escalating dunning email, sends it through Gmail, logs the attempt to Google Sheets, and notifies th ...
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This workflow runs every weekday morning to find HubSpot deals with no recent activity, uses OpenAI to generate a personalized re-engagement email, sends it via Gmail, logs the outcome ...
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This workflow triggers on HubSpot dealstage changes, pulls full deal, contact, and owner details, uses OpenAI to generate a concise Slack-ready update with next steps, notifies the righ ...
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This workflow receives a goal via webhook, generates three prompt candidates using Google Gemini, OpenRouter, and Groq, has Cohere evaluate and select the best prompt, then returns the ...
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This workflow receives a blog generation request via webhook, uses Google Gemini to write a full SEO-optimized post, generates a featured image with DALL-E 3, and automatically publishe ...
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This workflow takes a YouTube video URL, fetches its transcript via RapidAPI, uses Google Gemini to generate multiple repurposed content assets, stores everything in Google Sheets, and ...
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Fill in a form with your exam date, subjects, daily available hours, and study start time, and this workflow generates a complete personalised day-by-day study schedule using GPT-4o-min ...
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This scheduled workflow scrapes BizQuest listings via an Apify API, deduplicates them against a Google Sheet, scores buyer fit with Anthropic Claude, and for high-fit deals generates br ...
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This webhook-based customer support workflow uses Google Gemini and a Google Docs knowledge base to answer chat messages, remembers conversation context, and escalates unresolved issues ...
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This workflow powers an OpenAI-based chat agent in n8n that persists long-term conversation memory in an n8n Data Table by session ID, optionally recalling past context via name/email l ...
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This workflow runs every two minutes to sync a Google Sheets file queue with an OpenAI Vector Store by deleting outdated entries, downloading new files from Google Drive, AWS S3, or a U ...
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This workflow triggers on a Gmail message from a specific sender, extracts bill of lading data from an email attachment using Google Gemini, validates the extracted values with Python, ...
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This workflow reads unenriched leads from Google Sheets, derives each company website from the email domain, crawls the homepage via Crawl4ai, and uses Google Gemini to extract company ...
