Browse 6,296 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.

6,296 workflows in Langchain
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Reddit API Hub: Manage Posts, Comments & Subreddits via Server-Sent Events
πŸ”„ Reddit Content Operations via MCP Server πŸ§‘β€πŸ’Ό Who is this for? This workflow is built for content creators, marketers, Reddit automation enthusiasts, and AI agent developers who want str ...
538
Built by Simeon Simeon
May 21, 2025
Send AI-Generated Emails via Telegram Using GPT-4o-mini and Gmail
βœ‰οΈ Telegram Email Agent with GPT + Gmail Category: Messaging / AI Agent Level: Beginner-Friendly Tags: Telegram, Email Automation, AI Agent, Gmail, GPT Model Watch Step-by-step video guide here: ...
440
May 21, 2025
Extract & Summarize B2B Leads from Crunchbase with Bright Data, GPT-4o & Google Sheets
Who this is for The Crunchbase B2B Lead Discovery Pipeline is designed for sales teams, B2B marketers, business analysts, and data operations teams who need a reliable way to extract, structure, and s ...
962
May 20, 2025
Auto-Triage GitHub Issues with GPT-4o, Pinecone
Need help? Want access to this workflow + many more paid workflows + live Q&A sessions with a top verified n8n creator? Join the community πŸš€ GitHub MCP Webhook Tool Sub-workflow: AI-Powered Repo ...
146
Built by David Ashby David Ashby
May 20, 2025
Invoice Processor & Validator with OCR, AI & Google Sheets
πŸ“ Say goodbye to manual invoice checking! This smart workflow automates your entire invoice processing pipeline using AI, OCR, and Google Sheets. βš™οΈ What This Workflow Does: πŸ“₯ 1. Reads an ...
13,688
May 20, 2025
Get Colombian Peso to USD Exchange Rate with Telegram Bot and AI Date Recognition
πŸ“Œ Request TRM (Colombian Peso to US Dollar exchange rate) 🎯 Objective Retrieve the TRM (Colombian Peso to US Dollar exchange rate) for a specific date provided by the user via Telegram. πŸ”„ ...
210
May 20, 2025
Gmail to Telegram: Email Summaries with OpenAI GPT-4o
πŸ§‘β€πŸ’Ό Who is this for? This workflow is for anyone who receives too many emails and wants to stay informed without drowning in their inbox. If you're constantly checking your Gmail and wish yo ...
1,208
May 20, 2025
Enrich CRM Contact Data with LinkedIn Profiles using GPT & Multi-CRM Support
⚠️ DISCLAIMER: This workflow uses the AnySite LinkedIn community node, which is only available on self-hosted n8n instances. It will not work on n8n.cloud. Overview This n8n workflow automates ...
780
Built by Andrey Andrey
May 20, 2025
Dynamic AI Model Router for Query Optimization with OpenRouter
The Agent Decisioner is a dynamic, AI-powered routing system that automatically selects the most appropriate large language model (LLM) to respond to a user's query based on the query’s content and ...
3,671
May 20, 2025
Monitor and Track brand Sentiment on Facebook Groups with Bright data
Workflow documentation updated on 21 May 2025 This workflow keeps track of your brand mentions across different Facebook groups and provides an analysis of the posts as positive, negative or neut ...
2,326
May 20, 2025
Translate & Repost Twitter Threads in Multiple Languages with OpenAI
Twitter Thread (Flood) Translator & Poster What it does Thread Extraction:** Automatically detects and extracts all tweets from a provided Twitter thread (flood) link. Translation:** Translates each ...
4,463
Built by enes cingoz enes cingoz
May 19, 2025
Context-Aware Google Calendar Management with MCP Protocol
Google Calendar MCP – Context-Aware Calendar Operations This n8n template implements an MCP (Model Context Protocol)-compliant module for managing Google Calendar events in a context-aware, conflic ...
8,281
Built by Simeon Simeon
May 19, 2025
Automate Job Search and Matching with Adzuna API, GPT-3.5, and Google Sheets
Job Search Automation Workflow Streamline Job Discovery with API-Powered Intelligence This workflow template transforms the job search process by leveraging the Adzuna API and AI to automatically find ...
723
May 19, 2025
Transform Raw Hiring Transcripts into Briefs & Scorecards with AI and Google Docs
Who is this template for ? Basically anyone involved in recurring recruiting processes and looking to save a considerable amount of time and energy (Talent acquisitions Managers, recruiting consultan ...
716
May 19, 2025
Multi-platform Video Publishing from Google Sheets to 9 Social Networks via Blotato API
This workflow automates the process of publishing content from a Google Sheet to multiple social media platforms using the Blotato API. It retrieves content details (caption and Google Drive video URL ...
641
Built by Sam Yassine Sam Yassine
May 19, 2025
Automate RSS Content to Blog Posts with GPT-4o, WordPress & LinkedIn Publishing
Automated Blog Post Review and Multi-Platform Publishing Workflow with RSS Feeds Description This workflow automates the process of generating, reviewing, and publishing blog posts across multiple pl ...
1,377
Built by Immanuel Immanuel
May 19, 2025
Create an Automated Customer Support Assistant with GPT-4o and GoHighLevel SMS
πŸ“Œ AI Agent via GoHighLevel SMS with Website-Based Knowledgebase This n8n workflow enables an AI agent to interact with users through GoHighLevel SMS, leveraging a knowledgebase dynamically built b ...
1,649
May 19, 2025
Control Your 3D Printer with GPT-4o and OctoPrint API Conversations
Ever wanted to just tell your 3d printer what to do remotely? This game changer let's you converse with OpenAI agents to manage OctoPrint connected 3d printers. Great for remote management and monit ...
283
Built by Liam Liam
May 19, 2025
OpenAI Responses API Adapter for LLM and AI Agent Workflows
This n8n template demonstrates how to use OpenAI's Responses API with existing LLM and AI Agent nodes. Though I would recommend just waiting for official support, if you're impatient and would like a ...
974
Built by Jimleuk Jimleuk
May 19, 2025
Create OpenAI-Compatible API Using GitHub Models for Free AI Access
This n8n template shows you how to connect Github's Free Models to your existing n8n AI workflows. Whilst it is possible to use HTTP nodes to access Github Models, The aim of this template is to use ...
2,084
Built by Jimleuk Jimleuk
May 19, 2025