Transform RSS Feeds into Content with GPT-4o for Medium, LinkedIn & Instagram

📰 Related News to Content Marketing Automation Overview This workflow automatically collects news from an RSS feed, identifies the most relevant article(s), and generates ready-to-use social media and blog content tailored for Medium, LinkedIn, and Instagram. It’s ideal for: • Marketing teams who want a steady flow of fresh content. • Social media managers looking to save time on research and writing. • Startups and creators who want consistent posting with minimal effort. Instead of manually scanning articles and drafting posts, this automation gives you AI-generated content with your preferred tone of voice — and even sends confirmation emails so you can review before posting. Prerequisit

Help me set up the n8n workflow "Transform RSS Feeds into Content with GPT-4o for Medium, LinkedIn & Instagram" (https://n8n.io/workflows/8662). It uses: Gmail, Code, AI Agent, OpenAI Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.