You already grade your stack. You do it every time someone asks how it's going, and the answer changes depending on who's asking.
The board gets "maturing, nothing structural." Your data engineer gets "held together with string." Both are honest. Neither is written down.
Writing it down is the only thing that closes the gap. And the trouble starts there, because every framework you can reach for was published by someone with a position.
Everybody's framework is selling something
I went at this in July, looking at how the agentic CDP got defined.
The definition ranking top