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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Conversational PostgreSQL Agent with Visuals, Multi-KPI, and Data Editing (MCP)
Ask your PostgreSQL database complex questions and receive clear summaries, charts, and even update or insert data — all through one smart agent powered by n8n’s Model Context Protocol (MCP). S ...
1,878
May 06, 2025
Amazon Product Search Scraper with BrightData, GPT-4, and Google Sheets
This workflow automates web scraping of Amazon search result pages by retrieving raw HTML, cleaning it to retain only the relevant product elements, and then using an LLM to extract structured product ...
10,852
Built by phil phil
May 06, 2025
Automated YouTube Video Scheduling & AI Metadata Generation 🎬
👥 Who Is This For? Content creators, marketing teams, and channel managers who need to streamline video publishing with optimized metadata and scheduled releases across multiple videos. 🛠 What ...
17,926
Built by JPres JPres
May 06, 2025
Automatically Create Linear Issues from Gmail Support Request Messages
This n8n template watches a Gmail inbox for support messages and creates an equivalent issue item in Linear. How it works A scheduled trigger fetches recent Gmail messages from the inbox which collec ...
568
Built by Jimleuk Jimleuk
May 06, 2025
🤖 Instagram MCP AI Agent – Read, Reply & Manage Comments with GPT-4o
🤖 Instagram AI Agent with MCP Server – Built for Smart Engagement and Automation Hi! I’m Amanda 🥰 I build intelligent automations with n8n and Make. This powerful workflow was designed to ...
4,562
May 06, 2025
Automatically Create JIRA Issues from Outlook Email Support Requests
This n8n template watches an outlook shared inbox for support messages and creates an equivalent issue item in JIRA. How it works A scheduled trigger fetches recent Outlook messages from an shared in ...
1,865
Built by Jimleuk Jimleuk
May 06, 2025
PostgreSQL Conversational Agent with Claude & DeepSeek (Multi-KPI, Secure)
🧠 Conversational PostgreSQL Agent Enable AI-driven conversations with your PostgreSQL database using a secure and visual-free agent powered by n8n’s Model Context Protocol (MCP). This template ...
789
May 06, 2025
Explore n8n Nodes in a Visual Reference Library
WATCH THE n8n STARTER GUIDE 👇 This template is featured in the n8n Starter Guide series. The template is free, but comes with two additional PDFs and a Quick Start video if you grab the full dow ...
5,197
Built by I versus AI I versus AI
May 06, 2025
AI Speech Coach & Generator using Telegram, Open AI and Gemini
Description This n8n workflow acts as your personal AI speechwriting coach, directly accessible through Telegram. It listens to your spoken or typed drafts, provides insightful feedback on clarity, en ...
914
Built by NanaB NanaB
May 06, 2025
Auto-Generate & Publish SEO Articles to WordPress with GPT-4 + Postgres Tracking
🚀 What this flow does • 🔎 Selects the least-used WordPress category (tracked in PostgreSQL) • 🤖 Uses GPT (4-mini or better) to generate a fully formatted SEO article with headings, TOC, l ...
2,645
May 06, 2025
Send YouTube Video Summaries to Obsidian via Dropbox
How it works This workflow runs on a schedule you set (default is every 10 minutes). It fetches all videos from a specific YouTube playlist, retrieves details and transcripts for each video using Ra ...
710
Built by I versus AI I versus AI
May 06, 2025
Automate URL shortening with Bitly using Llama3 chat interface
Who is this for? This workflow is intended for online users who want and need workflow automation that minimizes link creation time and shortens links. This has an impact on the speed of work time and ...
243
May 06, 2025
Travel planning agent with Couchbase vector search, Gemini 2.0 Flash and OpenAI
> Disclaimer: this workflow template uses the n8n-nodes-couchbase community package. Community nodes are unverified and usage of them comes with some risks. See here for instructions on installing ...
1,275
May 05, 2025
Build an MCP Server with Airtable
Who is this for? This template is designed for anyone who wants to integrate MCP with their AI Agents using Airtable. Whether you're a developer, a data analyst, or an automation enthusiast, if you're ...
6,123
May 05, 2025
Discover Business Ideas from HackerNews Posts with GPT-4.1 Analysis and Google Sheets
What it is This n8n workflow monitors top Hacker News posts (in the Front Page) and identifies business-related pain points using AI. How It Works It filters posts by engagement (comments > 80, ...
1,250
Built by Ari Nakos Ari Nakos
May 05, 2025
🌍 AI Interpreter and Translator for WhatsApp – Translate Voice & Text
🌍 AI WhatsApp Translator – Multilingual Voice & Text Translator for n8n Hi! I'm Bruno — I’ve been building AI-powered workflows for n8n and Make for 2+ years, focused on smart automation an ...
823
Built by Bruno Dias Bruno Dias
May 05, 2025
Automate SEO blog content creation with GPT-4, Perplexity AI and WordPress
AI Blog Publisher – Automated Blog Content Workflow This workflow is designed for individuals and teams who regularly publish content on their blog and want to automate the entire process from start ...
6,949
Built by LukaszB LukaszB
May 05, 2025
Automate Support Ticket Triage and Resolution with JIRA and AI
This n8n template automates triaging of newly opened support tickets and issue resolution via JIRA. If your organisation deals with a large number of support requests daily, automating triaging is a ...
3,736
Built by Jimleuk Jimleuk
May 05, 2025
Store Chat Data in Supabase PostgreSQL for WhatsApp/Slack Chatbot
n8n Template: Store Chat Data in Supabase PostgreSQL for WhatsApp/Slack Integration This n8n template captures chat data (like user ID, name, or address) and saves it to a Supabase PostgreSQL databas ...
764
Built by JPres JPres
May 05, 2025
Automate Research-Based Newsletters with Perplexity, GPT-4, and Image Generation
This n8n workflow automates the process of creating and sending high-quality newsletters with images generated by a GPT image generator. It is triggered on a schedule. What is included? 1 n8n workfl ...
724
Built by Tianyi Tianyi
May 04, 2025