Amazon Affiliate Links to Mastodon with AI Descriptions & Shlink Tracking

This n8n workflow automates posting Amazon affiliate products to Mastodon — complete with image upload, description, and a shortened tracking URL using Shlink. 🔧 How it works Input Source: The workflow starts by reading from a connected Google Sheet that contains: SHlink (Shortlink) Amazon Link Description (Optional) PicURL Send /NO or YES A Send column (used as a flag to check if the row was already posted) Image Upload: It fetches the product image via HTTP and uploads it directly to a Mastodon instance via the /media API endpoint. URL Shortening (Shlink): The original Amazon URL is shortened using your self-hosted or cloud-hosted Shlink instance to enable click tracking and better presen

Help me set up the n8n workflow "Amazon Affiliate Links to Mastodon with AI Descriptions & Shlink Tracking" (https://n8n.io/workflows/4935). It uses: Google Sheets, HTTP Request, Basic LLM Chain, OpenRouter Chat Model. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.