Can users stack Quibblers, so Quibbler 2 corrects Quibbler 1 if, say, it fabricates an issue in the code it's reviewing? If so, have you found an optimum number of Quibblers for the Quibbler stack? Also, might users form a Quibbler council such that multiple Quibblers review the same thing and form a consensus before proceeding?

Next step is critics for the critics.

“Well, who’s gonna monitor the monitors of the monitors?” — Enemy of the State (Movie)

A gentleman's gentleman!

Sounds like a wip to me, "do it better or get punished"

Sounds like video streaming services…

You could use the prompts in the code to create a Claude Code sub-agent[1], which would do the same thing without an API key

1. https://docs.claude.com/en/docs/claude-code/sub-agents