Browse 6,351 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.

6,351 workflows in Langchain
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Translate English Scripts to Multilingual Audio with GPT-4 and ElevenLabs
📊 Description Automate multilingual voice content creation by translating an English script into multiple languages and generating natural-sounding audio files using AI. 🌍🎙️ This workflow r ...
0
Built by Rahul Joshi Rahul Joshi
Dec 17, 2025
Automate SEO Research & Content Gap Analysis with GPT-4o, SerpAPI, and Gmail
📘 Description This workflow automates keyword-level SEO research and content opportunity discovery using live Google SERP data and AI-driven analysis. It takes a single keyword request, pulls real- ...
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Built by Rahul Joshi Rahul Joshi
Dec 17, 2025
AI-Powered Webinar Feedback Replies with GPT-4, Google Sheets, and Gmail
How it works This workflow captures webinar feedback through a webhook and normalizes the submitted data for processing. It stores raw feedback in Google Sheets, uses an AI model to understand sentime ...
0
Dec 17, 2025
Audio Transcription & Chat Bot with AssemblyAI, Gemini, and Pinecone RAG
Who’s it for This template is designed for podcasters, researchers, educators, product teams, and support teams who work with audio content and want to turn it into searchable knowledge. It is espec ...
0
Dec 17, 2025
Convert Audio Emails to Japanese Transcripts with OpenAI GPT-4o & Google Suite
Overview This workflow turns audio attachments you receive by Gmail into Japanese transcripts and structured AI summaries, then saves everything to Google Drive and Google Sheets while notifying you ...
0
Dec 17, 2025
Rewrite viral LinkedIn posts in your voice with Google Gemini and Telegram approval
Rewrite viral LinkedIn posts in your voice with AI and Telegram approval using Google Gemini Who's it for This workflow is designed for LinkedIn creators, personal brand builders, thought leaders, a ...
0
Dec 17, 2025
Automate Social Media Content Planning with Llama 3.3 AI, Trending Topics & Google Suite
How it works: Daily Trigger: Every morning at 8 AM, the workflow is automatically triggered. Fetch Trending Topics: The workflow collects trending topics from external sources, such as news RSS feed ...
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Built by DigiMetaLab DigiMetaLab
Dec 17, 2025
Generate Comprehensive Client Brief Reports with Llama 3 AI & Google Workspace
How It Works Trigger: The workflow starts automatically when a new file (PDF, DOCX, or TXT) is uploaded to a specific Google Drive folder for client briefs. Configuration: The workflow sets up key v ...
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Built by DigiMetaLab DigiMetaLab
Dec 17, 2025
Chat with Google Drive documents using OpenAI and Pinecone RAG search
Try it out This n8n workflow template lets you chat with your Google Drive documents (.docx, .json, .md, .txt, .pdf) using OpenAI and Pinecone vector database. It retrieves relevant context from your ...
178
Built by Pinecone Pinecone
Dec 16, 2025
Lead Collection with SendPulse and GPT-Generated Welcome Emails/SMS
How it works This n8n template automates lead processing from your website. It receives customer data via a Webhook, stores the customer's contact (email or phone number) in the respective SendPulse ...
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Built by SendPulse SendPulse
Dec 16, 2025
Automated Marketing Campaign Email System with GPT-4 and HubSpot Customer Tracking
Overview This workflow automates customer outreach for marketing campaigns, including customer prioritization, AI-generated emails, automated sending, reply tracking, and meeting scheduling. How It ...
0
Built by Satoshi Satoshi
Dec 16, 2025
GPT-4.1 mini-Powered Learning Management Automation
How It Works Automates daily learner engagement monitoring, progress analysis, and personalized feedback delivery for training programs. Target audience: learning and development teams, corporate trai ...
0
Dec 16, 2025
Intelligent Project Delivery and Task Management System
How It Works Automates daily project monitoring by fetching project data, analyzing tasks and team capacity with anthropic models, and generating resource optimization recommendations. Target audienc ...
0
Dec 16, 2025
Intelligent Real-Time Financial Fraud Detection and Risk Scoring Engine
How It Works Automates fraud risk detection for financial transactions by analyzing real-time webhook events through AI-powered scoring. Target audience: fintech companies, payment processors, and ban ...
0
Dec 16, 2025
Intelligent Legal Document Review and Compliance Automation
How It Works This template automates legal document review by extracting text, analyzing clauses with OpenAI, checking compliance standards, and generating alternative wordings. Target audience: legal ...
0
Dec 16, 2025
GPT 4.1-mini Automated Proposal to Payment Lifecycle Management
How It Works This workflow automates end-to-end contract and invoice management using AI intelligence. It processes proposals through intelligent contract generation, approval workflows, and automated ...
0
Dec 16, 2025
Automate SaaS Operations with GPT-4.1-mini for User, Support & Billing Management
HOW IT WORKS : Automates SaaS operations by consolidating user management, AI-driven support triage, analytics, and billing into one unified system. User signups flow through registration, support req ...
0
Dec 16, 2025
Personalized Customer Retention Campaigns with GPT-4o Analytics & Gmail
HOW IT WORKS This workflow automates end-to-end data intelligence processing by ingesting structured data (CSV, JSON), enriching it through multiple AI analysis pathways, and generating actionable ins ...
0
Dec 16, 2025
Automate Professional LinkedIn Posts with OpenAI GPT, DALL-E and Trending Topics
Overall Description This workflow fully automates the process of creating and publishing professional LinkedIn posts based on real-world experience in AI automation and workflow engineering, enriched ...
0
Dec 16, 2025
MCP Employee Performance & Productivity Insights Engine with Automated Manager
How It Works This workflow automates performance monitoring by aggregating data from PM tools, code repositories, meeting logs, and CRM systems. It processes team metrics using AI-powered analysis via ...
0
Dec 16, 2025