Browse 6,295 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.

6,295 workflows in Langchain
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Track RSS events with OpenAI GPT-4.1-mini, Google Sheets, and Outlook
Quick overview This automated pipeline monitors an RSS feed, leverages an OpenAI chat model to extract event details into structured JSON, logs the data to Google Sheets, and triggers real-time email ...
4
Jul 11, 2026
Track recurring job pain points with SerpApi, Gemini, and Google Sheets
Quick Overview This workflow runs weekly to pull Google Jobs results via SerpApi, uses Google Gemini to extract operational pain points and an automation opportunity from each posting, logs them to Go ...
1
Jul 11, 2026
Route WhatsApp support requests with Groq, Google Sheets, Gmail, Telegram and AiSensy
Quick overview This workflow receives incoming WhatsApp messages via an n8n webhook, loads an FAQ knowledge base from Google Sheets, and uses Groq (Llama 3.3) to classify intent and generate a reply. ...
0
Jul 10, 2026
Transform uploaded documents into structured data with Unstructured MCP
Quick overview This workflow collects an uploaded document via an n8n form and uses Unstructured’s hosted Transform MCP server to convert it into structured, LLM-ready text output, then returns the ...
1
Jul 10, 2026
Add internal links to WordPress posts with OpenAI, Notion, and Slack
Quick overview This workflow runs manually or every Monday at 9AM to analyze published WordPress posts with OpenAI embeddings, injects semantically relevant internal links using AI-selected anchor tex ...
0
Jul 10, 2026
Log email receipt data to Google Sheets with Gmail and OpenAI
Quick overview This workflow logs Gmail receipt attachments to Google Sheets by extracting structured fields with OpenAI (including category selection from your list), prevents duplicates by checking ...
9
Built by 43 Sunsets 43 Sunsets
Jul 10, 2026
Save Amazon reviews to Notion with ScraperAPI and OpenAI GPT-5 Mini
Quick Overview This workflow runs every Monday to scrape recent Amazon product reviews via ScraperAPI, uses OpenAI to classify sentiment and feature tags, and then saves each new review into a Notion ...
0
Built by ScraperAPI ScraperAPI
Jul 10, 2026
Turn customer emails into FAQ drafts with Gmail, Gemini, Docs and Sheets
Quick overview This workflow monitors customer-support emails in Gmail, uses Google Gemini to extract FAQ-ready questions and draft answers, logs every candidate to Google Sheets, and routes strong ca ...
0
Built by uninc000 uninc000
Jul 10, 2026
Validate startup ideas and generate business plans from Telegram with Perplexity and GPT-4o
Quick overview This workflow receives startup ideas via a Telegram bot, uses OpenAI (GPT-4o and GPT-4o mini) plus Perplexity to score, research, and validate them, then generates a full business plan ...
1
Built by Dr. Firas Dr. Firas
Jul 10, 2026
Translate YouTube video metadata into multiple languages with OpenAI
Quick overview This workflow fetches a YouTube video’s title and description, uses OpenAI to translate them into multiple target languages, and updates the video’s YouTube localizations via the Yo ...
0
Built by Dr. Firas Dr. Firas
Jul 10, 2026
Answer support FAQs with Google Gemini, Supabase, Google Sheets and WhatsApp
Quick overview This workflow ingests FAQs from Google Sheets into a Supabase vector table using Google Gemini embeddings, then serves a webhook-based support chatbot that answers only from that FAQ kn ...
0
Jul 10, 2026
Monitor Google rankings and search intent with SerpAPI, OpenAI, Notion, and Slack
Quick overview This workflow runs daily (or manually) to pull Google SERP results via SerpAPI for keywords stored in Notion, uses OpenAI to classify search intent, saves a daily snapshot back to Notio ...
0
Jul 10, 2026
Coach fitness and nutrition on Telegram with Claude, Google Sheets and Calendar
Quick overview This workflow turns a Telegram bot into a fitness and nutrition coach powered by Anthropic Claude, with voice-note transcription via OpenAI, user data stored in Google Sheets, and optio ...
0
Built by Dr. Firas Dr. Firas
Jul 10, 2026
Monitor new template releases with OpenAI and log insights to Telegram and Google Sheets
Quick overview This workflow runs daily to check the public n8n Templates API for newly published templates in a chosen category, generates improvement suggestions with OpenAI, logs each new template ...
0
Built by Dr. Firas Dr. Firas
Jul 10, 2026
Send daily Bible devotional images to Telegram with Gemini and Fal.ai
Quick overview This workflow runs daily at 7am, fetches a KJV Bible verse from bible-api.com, generates a devotional and an AI image prompt using Google Gemini and OpenRouter, renders a vertical image ...
0
Jul 10, 2026
Qualify WhatsApp real estate leads with Gemini and Supabase
Quick overview This workflow triggers on incoming WhatsApp messages, uses Google Gemini to extract and score real estate lead details, stores each lead in Supabase, and sends a WhatsApp alert to the a ...
0
Jul 10, 2026
Handle LinkedIn inbox RAG replies with Unipile, Claude, Pinecone, and Airtable
Quick overview Automatically ingest your knowledge base, monitor your LinkedIn company page inbox, and reply to leads and customers with AI-drafted, source-grounded answers. Classifies every message, ...
2
Jul 10, 2026
Generate branded social captions and images with OpenAI and PostFast
Quick Overview This workflow runs three times a week to generate a branded social caption and AI image with OpenAI, then uploads the image via PostFast pre-signed URLs and schedules the post across se ...
1
Jul 10, 2026
Triage support tickets with OpenRouter (OpenAI o3-mini) and ClickUp
Quick overview This workflow collects support tickets via an n8n form, uses OpenRouter (OpenAI o3-mini) to assess priority, severity, impact, and suggested diagnostics, and then creates a formatted ta ...
0
Jul 10, 2026
Create AI music videos from a prompt with OpenAI, Kie.ai and BeatAPI
Quick overview This workflow collects a music video theme via an n8n form, uses OpenAI to generate music, image, and video prompts, then calls Kie to create an instrumental track and a Nano Banana ima ...
0
Built by Eric Eric
Jul 10, 2026