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AI-powered LinkedIn Content Generator with OpenAI GPT-4 and DALL-E

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Created by: WeWeb || weweb

WeWeb

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Last update 2 days ago

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This n8n template helps you build a full AI-powered LinkedIn content generator with just a few clicks.

Paired with the free WeWeb UI template, it becomes a ready-to-use web app where users can:

  • Add their own OpenAI API key
  • Customize the prompt and define 6 content topics
  • Edit the AI-generated topics
  • Choose when to generate LinkedIn posts, complete with hashtags and an optional image

Who This Is For

Perfect for marketers, indie hackers, and solopreneurs who want to build their personal brand on LinkedIn while staying in control of what gets posted.

🧠 What Makes This Different

Unlike most AI agents, you stay fully in control:

  • You define the tone and focus via the prompt.
  • You choose which topics to keep or modify.
  • You decide when to generate a post.
  • You can build on top of this and create your own SaaS product.

It’s also modular and extendable—hook it up to your backend, add user login, or feed AI improvements based on user input.

⚙️ How It Works

  1. Triggering Events: The app includes 3 pre-configured triggers, ready to be hooked into your WeWeb frontend. Just update the webhook URLs after duplicating the n8n workflow.
  2. Topic Generation: A call is made to OpenAI (GPT-4) to generate topic ideas based on your prompt.
  3. Post Creation: Once topics are approved or edited, GPT-4 writes full posts with suggested hashtags.
  4. Image Generation (Optional): If enabled, a DALL·E call generates a relevant image.
  5. Everything Stays Local: All data and images are handled locally, no cloud storage setup needed.

🧪 Requirements & Setup

No fancy infrastructure required. Here’s what helps you get started:

  • Free WeWeb account (recommended) to use the frontend UI template
  • OpenAI account with API access (for GPT-4 and DALL·E)
  • n8n account (self-hosted or cloud) to run the backend workflow

The template is completely free to use. Since each user adds their own OpenAI API key, you don't need to worry about usage costs or rate limits on your end.

🔧 Want to Go Further?

This setup is beginner-friendly, but developers can:

  • Add user accounts
  • Save post history
  • Feed user feedback back into the prompt logic
  • Launch their own branded version as a SaaS