Castmagic Castmagic is an AI-powered content repurposing tool for podcasters, YouTubers, and content creators. It automatically generates show notes, summaries, and social media content from audio and video files. This helps users save time and effort in content creation and distribution. Official docs: https://castmagic.io/blog Castmagic Overview - Project - File - Workspace Working with Castmagic This skill uses the Membrane CLI to interact with Castmagic. Membrane handles authentication and credentials refresh automatically — so you can focus on the integration logic rather than auth plumb…