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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Repurpose long-form content into Instagram and LinkedIn posts with OpenAI and Teams
Who is this for Content creators, solopreneurs, and marketing teams who produce long-form content (podcasts, newsletters, interviews, scripts) and want to automatically turn it into multiple social m ...
2
Mar 16, 2026
Summarize stock market signals with Alpaca, xAI Grok, Telegram and WhatsApp
Who Is This For? This workflow is designed for stock traders, financial analysts, and investment enthusiasts who want automated technical analysis and regular market updates. It's particularly useful ...
17
Mar 16, 2026
Generate job descriptions from briefing notes with OpenAI and Google Docs
Auto-generate job descriptions from briefing notes with OpenAI and Google Docs Who is this for Recruiters, HR teams, and hiring managers who conduct role briefing conversations and want to convert t ...
1
Mar 15, 2026
Create and publish AI carousel posts from Telegram to Instagram, Facebook and TikTok with OpenAI, APITemplate.io and Blotato
Who is this for Content creators, social media managers, and solopreneurs who want to automate carousel post creation and multi-platform publishing from a single Telegram message. What this workflow ...
1
Mar 15, 2026
Automate job applications with Telegram, SerpAPI, and OpenAI
Who is this for? This workflow is for job seekers who want to automate their entire application pipeline — from discovering job postings to generating personalized cover letters, CVs, and organizin ...
0
Mar 15, 2026
Issue Rivhit receipts from WhatsApp photos using Google Vision and GPT-4o
How it works Courier sends an invoice photo to WhatsApp → AI extracts all details via Google Vision OCR Courier sends a payment photo (check, bank transfer, credit card voucher) → AI matches it t ...
1
Built by achiya achiya
Mar 15, 2026
Generate institutional-style stock price targets and BUY/HOLD/SELL alerts with ChatGPT and Gemini
AI Institutional Stock Valuation Engine with Risk Scoring & Scenario Targets A professional-grade AI equity analysis automation built on n8n that ingests live financial data and news, runs it through ...
0
Built by Mo AlBarrak Mo AlBarrak
Mar 15, 2026
Query your PostgreSQL data in plain English with GPT-4o-mini
AI SQL Analytics Agent Chat With Any PostgreSQL Database Using Natural Language This template turns your PostgreSQL database into an AI-powered analytics assistant. Instead of exporting data or u ...
0
Mar 15, 2026
Query expenses on Telegram with GPT-4.1 and Google Sheets
💬 Chat with Your Finances on Telegram Ask questions like “How much did I spend on food last month?” and get instant answers from your financial data — directly in Telegram. This workflow c ...
0
Built by Robin Robin
Mar 14, 2026
Analyze logs and correlate incidents with OpenAI and Slack
Overview This workflow implements an AI-powered incident investigation and root cause analysis system that automatically analyzes operational signals when a system incident occurs. When an incident ...
0
Built by ResilNext ResilNext
Mar 14, 2026
Build a document-upload RAG chatbot with OpenAI, Pinecone and daily analytics
Overview This workflow implements a complete Retrieval-Augmented Generation (RAG) knowledge assistant with built-in document ingestion, conversational AI, and automated analytics using n8n, OpenAI, a ...
0
Built by ResilNext ResilNext
Mar 14, 2026
Route AI tasks between Anthropic Claude models with Postgres policies and SLA
Overview This workflow implements a policy-driven LLM orchestration system that dynamically routes AI tasks to different language models based on task complexity, policies, and performance constraint ...
0
Built by ResilNext ResilNext
Mar 14, 2026
Draft and send AI customer support email replies with Gmail and Google Sheets
How it works Gmail is monitored every minute for new incoming emails Automated and irrelevant emails are filtered out (newsletters, noreply senders, out-of-office replies, bounce notifications) AI rea ...
0
Built by George Dan George Dan
Mar 14, 2026
Automate LinkedIn job search, AI scoring, and resume creation with OpenRouter, OpenAI, Google Sheets & Docs
Who is this for? Job seekers who want to automate their entire job search pipeline — from discovering new listings to generating tailored resumes and cover letters — without manually browsing Lin ...
0
Built by Wassim Abid Wassim Abid
Mar 14, 2026
Maintain RAG embeddings with OpenAI, Postgres and auto drift rollback
Overview This workflow implements a self-healing Retrieval-Augmented Generation (RAG) maintenance system that automatically updates document embeddings, evaluates retrieval quality, detects embedding ...
0
Built by ResilNext ResilNext
Mar 14, 2026
Auto-reply to Instagram DMs with an AI chatbot and Google Gemini history
Auto-reply Instagram DM with AI Chatbot, Conversation History using Google Gemini and n8n Data Table This workflow turns your Instagram Business or Creator account into an AI-powered customer support ...
Extract vocabulary flashcards from Spotify listening with Gemini and Google Sheets
What this workflow does This workflow turns your Spotify listening history into vocabulary flashcards for language learning. When you listen to music in your target language, you hear words hundreds ...
0
Built by Welat Eren Welat Eren
Mar 13, 2026
Send personalized daily learning emails for women using GPT-4o and Gmail
📊 Description Most learning newsletters send the same email to everyone. This workflow does the opposite — every subscriber gets a completely different email every single day, personalized to the ...
1
Built by Rahul Joshi Rahul Joshi
Mar 13, 2026
Build an AI confidence coach for women with GPT-4o, Google Sheets and Gmail
📊 Description Most career advice is generic. This workflow builds a fully personalized AI coaching system that remembers every user, adapts to their career stage and goals, detects what kind of hel ...
14
Built by Rahul Joshi Rahul Joshi
Mar 13, 2026
Track menstrual cycles and send Gmail phase reminders with GPT-4o and Google Sheets
📊 Description Most period tracking apps tell you when your period is coming. This workflow goes further — it tracks every phase of every subscriber's unique cycle, sends the right email at exactl ...
2
Built by Rahul Joshi Rahul Joshi
Mar 13, 2026