I spent a session with Claude Code (Opus 4.7) doing something odd. Instead of giving it tasks, I asked it to reflect on its own thinking. Not what it knows. How it operates.

What came back was specific enough to be useful.

One conversation = One experiment. I'm not calling this settled science :) But it changed how I work — and I built a prompt so you can test it yourself.

There are 18 thinking operations

Not personality types. Not learning styles. Things your brain actually does when it works on a problem.