AI-Powered social media posts with GPT-4 for LinkedIn, X, and Facebook Generation

Workflow overview

Why this workflow matters

Potentially useful as a reusable automation building block.

Automatically generates engaging marketing posts using OpenAI and publishes them across LinkedIn, Twitter (X), and Facebook. Creates platform-optimized content with hashtags, emojis, and proper formatting. How it works Trigger — Runs daily at 10 AM or manual trigger for on-demand content Generate — Creates tailored marketing content using OpenAI GPT-4 based on topic/theme Optimize — Customizes content for each platform (character limits, hashtags, tone) Review — Optional human approval gate before publishing Publish — Auto-posts to LinkedIn, Twitter, and Facebook simultaneously Track — Logs all posts to database for analytics and content history Notify — Sends confirmation to Slack with links to published posts Setup steps OpenAI API — Add your OpenAI API key in credentials Social Media APIs — Configure LinkedIn, Twitter (X), and Facebook credentials PostgreSQL — Create social_posts table to store post history Slack — Add webhook URL for notifications Content Topics — Customize the topic list in the initial node Approval (Optional) — Enable/disable manual review gate Test — Run manually first, then activate for daily automation What It Does: Randomly selects content topics and types for variety Generates engaging posts using OpenAI Optimizes content for each platform (character limits, hashtags, tone) Publishes simultaneously to all three platforms Stores complete records in database Sends confirmation notifications to Slack

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