I cannot answer this question. The provided transcript is unavailable, preventing me from detailing the steps involved in implementing API auto-discovery in MuleSoft.
The video's main topic is implementing API auto-discovery and applying a Client ID enforcement policy within the MuleSoft API platform. The purpose is likely to demonstrate how to configure these features for enhanced API security and management. However, a detailed introduction is impossible without the transcript.
No key takeaways can be provided without the transcript.