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.

7,110 workflows in Langchain
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🧠 Build AI Agents with Think-Plan-Act Architecture Using Llama-4 Reasoning
🧠 A plug-and-play n8n workflow that adds LLM-powered reasoning, planning, and action to your automations — with prompts, schemas, and full agent logic included. Ever wish your n8n flows could ...
729
Built by Lucas Dias Lucas Dias
Apr 08, 2025
Automate Instagram Posts with Google Drive, AI Captions & Facebook API
This template streamlines your Instagram content posting workflow by connecting Google Drive for image storage, using OpenAI for AI-generated captions, and leveraging Facebook Graph API for automated ...
4,658
Built by Sagar Sagar
Apr 08, 2025
Scalable Multi-Agent Chat Using @mentions
Summary Engage multiple, uniquely configured AI agents (using different models via OpenRouter) in a single conversation. Trigger specific agents with @mentions or let them all respond. Easily scalabl ...
12,969
Built by Jon Doran Jon Doran
Apr 08, 2025
Automate WordPress Contact Form (CF7) Responses and Classification with Gemini
This workflow optimizes the management of inquiries received through a contact form (Contact Form 7 - CF7 Plugin) on a WordPress site, automating the process of classification, response drafting, and ...
1,533
Apr 08, 2025
Gumroad Clientbell: Auto-Log Sales, Ping Telegram, & Thank via Email
Who is this for? This template is perfect for Gumroad creators, solopreneurs, digital product sellers, and freelancers who want to track and thank customers automatically — without spending time o ...
874
Apr 08, 2025
🎨 AI Design Team - Generate and Review AI Images with Ideogram and OpenAI
🎨 AI Graphic Design Team - Generate and Review AI Images with Ideogram and OpenAI Description Who is this for? This workflow is perfect for graphic designers, creative agencies, marketing teams, ...
9,990
Apr 07, 2025
Adaptive RAG Strategy with Query Classification & Retrieval (Gemini & Qdrant)
This n8n workflow implements a version of the Adaptive Retrieval-Augmented Generation (RAG) framework. It recognizes that the best way to retrieve information often depends on the type of question ask ...
2,380
Built by dmr dmr
Apr 07, 2025
Classify Emails & Extract Structured Data from Job Applications with GPT-4o
Who is this template for? This workflow template is designed for business owners and HR professionals to automatically detect and structure unstructured job applications received through email. Additi ...
199
Built by Sleak Sleak
Apr 07, 2025
Automated Discord Chatbot for chat Interaction in channel using Gemini 2.0 Flash
A Discord bot that responds to mentions by sending messages to n8n workflows and returning the responses. Connects Discord conversations with custom automations, APIs, and AI services through n8n. Fu ...
1,010
Built by JPres JPres
Apr 07, 2025
Auto-Generate and Post Social Media Content to Bluesky using Groq LLM
Automatically Generate Content and Post to Bluesky with LLM Workflow Unlock the power of automation with the Automatically Generate Content and Post to Bluesky with LLM Workflow, an n8n-powered solut ...
1,216
Built by Mehdi Mehdi
Apr 07, 2025
Monitor GitHub Releases with Gemini AI Chinese Translation & Slack Notifications
Overview This n8n template monitors specified GitHub repositories. When a new release is published, it automatically fetches the information, uses AI (Google Gemini by default) to summarize and tran ...
375
Built by tbphp tbphp
Apr 07, 2025
🔊 Browser Recording Audio Transcribing and AI Analysis with Deepgram and GPT-4o
Overview Transcript Evalu8r V2 is a robust browser-based transcript analysis tool powered by Deepgram’s speech-to-text API and built into an n8n workflow template. This release introduces full in- ...
812
Apr 07, 2025
Auto-Generate YouTube Chapters with Gemini AI & YouTube Data API v3
Auto-Generate YouTube Chapters with AI-Powered Transcript Analysis Overview This workflow uses YouTube Data API v3 and Google Gemini 1.5 Flash AI to automatically generate timestamped chapters f ...
3,342
Built by irfan saeed irfan saeed
Apr 06, 2025
Manage Calendar Events with Slack Using OpenAI-Powered Outlook Assistant
This n8n template demonstrates how easy it is to build an Outlook Calendar Assistant powered by an AI agent equipped with Tools. For teams using Outlook Calendar and Slack who need easier calendar ma ...
1,102
Built by Jimleuk Jimleuk
Apr 06, 2025
Daily Newsletter Service using Excel, Outlook and AI
This n8n template builds a newsletter ("daily digest") delivery service which pulls and summarises the latest n8n.io template in select categories defined by subscribers. It's scheduled to run once a ...
9,576
Built by Jimleuk Jimleuk
Apr 06, 2025
Scrape business leads from Google Maps using OpenAI and Google Sheets
Google Maps Data Extraction Workflow for Lead Generation This workflow is ideal for sales teams, marketers, entrepreneurs, and researchers looking to efficiently gather detailed business information ...
43,596
Built by Dr. Firas Dr. Firas
Apr 05, 2025
Fully Automated AI Video Generation & Multi-Platform Publishing
Description This comprehensive n8n automation template orchestrates a complete end-to-end workflow for generating engaging short-form Point-of-View (POV) style videos using multiple AI services and a ...
191,045
Apr 05, 2025
Generate Conversational Twitter/X Threads with GPT-4o AI
🧵 Generate Conversational Twitter/X Threads with GPT-4o AI (n8n Workflow) This workflow uses OpenAI (GPT-4o) and Twitter/X to automatically generate and publish engaging, conversational threads in ...
698
Built by joseph joseph
Apr 05, 2025
Track LLM Token Costs per Customer Using the Langchain Code Node
Note: This template only works for self-hosted n8n. This n8n template demonstrates how to use the Langchain code node to track token usage and cost for every LLM call. This is useful if your templ ...
760
Built by Jimleuk Jimleuk
Apr 05, 2025
Smart Sales Support Chatbot with GPT-4o and Google Sheets
Who is this tempate for? This workflow powers a simple yet effective customer and sales support chatbot for your webshop. It's perfect for solopreneurs who want to automate customer interactions witho ...
7,648
Apr 04, 2025