This is the technique I use to get the most out of Claude Code on a regular basis.
First, install SuperClaude. You'll thank me later.
Then, use my SuperClaude Assistant (a custom GPT), to craft the most optimal SuperClaude commands.
After having used SuperClaude for 100 hours, I realized that I needed help crafting the right prompt. So I used another prompt to write the instructions for this custom GPT.
Copy paste into Claude Code, and you're off to the races! Link to my custom GPT in the comments.