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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*Use Case: *
Analyze images with multiple subjects. In this use case I have a bookshelf and am extracting and verifying book titles/authors from a bookshelf photo.
*How it works: *
1) Webhook receive ...
Description
Automates vendor/customer security questionnaire responses. It ingests a questionnaire (Sheet/CSV/XLSX), matches each question to your approved answers and evidence, and writes a clean � ...
Auto-Generate Social Media Videos with GPT-5 and Publish via Blotato
> ⚠️ Disclaimer: This workflow uses Community Nodes (Blotato) and requires a self-hosted n8n instance with "Verified Commu ...
This n8n workflow automatically scrapes TechCrunch articles, filters for AI-related content using OpenAI, and delivers curated summaries to your Slack channels. Perfect for individuals or teams who ne ...
Supercharge Your HighLevel CRM with the Power of GPT-5
Unleash the full potential of your HighLevel CRM by adding an intelligent GPT-5 Agent that does more than just follow commands — it understand ...
HighLevel MCP Full CRM Automation
With the HighLevel MCP Automation Workflow, you unlock the full potential of AI-driven CRM management inside n8n.
This setup turns your HighLevel account into a fu ...
Title
Create Google Calendar events from labeled Gmail emails using AI
Description
Who is it for?
This template is for anyone who frequently receives unstructured event or task information via email ...
Build a PDF to Vector RAG System: Mistral OCR, Weaviate Database and MCP Server
A comprehensive RAG (Retrieval-Augmented Generation) workflow that transforms PDF documents into searchable vector embe ...
How it works
This workflow automatically responds to incoming emails identified as potential leads using AI-generated text.
It connects to your email inbox via IMAP, classifies incoming messages wit ...
How it works
Receives chat messages from customers requesting table reservations.
Uses an AI Agent with OpenAI Chat Model to understand and process requests.
Checks table information, availabilit ...
This workflow contains community nodes that are only compatible with the self-hosted version of n8n.
How it works
Takes departure city, destination, and travel dates from the user.
Searches multiple ...
This template allows you to automatically process scanned invoices from Google Drive, extract key information using AI, and organize the data in Google Sheets with email notifications.
Overview
This ...
This workflow automates the process of monitoring Twitter accounts for intelligence gathering. It fetches new tweets from specified accounts via RSS, uses a powerful AI model (Google Gemini) to analyz ...
How it works
This template is an end-to-end demo of an in-house AI agent that can answer a wide range of questions by retrieving information from the Cin7 ERP system. For example users can ask quest ...
How it works
This workflow starts whenever you add a new company name to a Google Sheet. It checks if the company name is filled in, then uses AI to find more details about the company like industry, ...
LinkedIn DM Automation
Overview
Effortlessly scale personalized LinkedIn outreach using a no-code automation stack. This template provides a powerful, user-friendly system for harvesting leads from L ...
Auto-detect news from n8n and turn into a human-approved LinkedIn post.
gotoHuman is used to keep a human in the loop. There you can manually edit the AI draft of the post or request to regenerate it ...
GPT-5 MCP Multi-Source Orchestrator
Overview
GPT-5 MCP Multi-Source Orchestrator is a next-generation AI agent for n8n that blends the raw intelligence of GPT-5 with the structured power of MCP tools ...
📄 n8n RAG Ingestion & Query Workflow
Overview
This workflow is your all-in-one pipeline to turn any document into a powerful searchable knowledge base using RAG (Retrieval-Augmented Generation). ...
This n8n workflow automates the process of generating AI images using OpenAI's DALL-E 2 model with built-in human review and quality control. The workflow creates an image based on a predefined prompt ...
