Can you share the source code on Github to show this is safe?

It actually works, not sure what the other 1-star review was about.

"Right click on the page, then disable CSP" - no new items in right-click menu, thus "disable CSP" is impossible.
Crap.

Works as advertised. It disables CSP for exactly one minute. No notes.

This add-ons solved my frustations on opening phpMyAdmin in Firefox Developer Edition. Thanks a lot to the developer of this add-on!