✍️ AI Agent to Create Linkedin Posts for Blog Promotion with GPT-4o

Tags: Automation, AI, Marketing, Content Creation

Context I’m a Supply Chain Data Scientist and content creator who writes regularly about data-driven optimization, logistics, and sustainability. Promoting blog articles on LinkedIn used to be a manual task — until I decided to automate it with N8N and GPT-4o.

This workflow lets you automatically extract blog posts, clean the content, and generate a professional LinkedIn post using an AI Agent powered by GPT-4o — all in one seamless automation.

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Who is this template for? This template is perfect for: Bloggers and writers** who want to promote their content on LinkedIn Marketing teams** looking to automate professional post-generation Content creators** using Ghost platforms

It generates polished LinkedIn posts with: A hook A quick summary A call-to-action A signature to drive readers to your contact page

How does it work? This workflow runs in N8N and performs the following steps:

🚀 Triggers manually or you can add a scheduler 📰 Pulls recent blog posts from your Ghost site (via API) 🧼 Cleans the HTML content for AI input 🤖 Sends content to GPT-4o with a tailored prompt to create a LinkedIn post 📄 Records all data (post content + LinkedIn output) in a Google Sheet

What do I need to start? You don’t need to write a single line of code. Prerequisites: A Ghost CMS account with blog content A Google Sheet to store generated posts An OpenAI API Key Google Sheets API** connected via OAuth2

Next Steps Use the sticky notes in the workflow to understand how to: Add your Ghost API credentials Link your Google Sheet Customize the AI prompt (e.g., change the author name or tone) Optionally add auto-posting to LinkedIn using tools like Buffer or Make

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🚀 Want to explore how automation can scale your brand or business? 📬 Let’s connect on LinkedIn

Notes You can adapt this template for Twitter, Facebook, or even email newsletters by adjusting the prompt and output channel. This workflow was built using n8n 1.85.4

Submitted: April 9th, 2025