Something simple like a toggle, similar to what other CMS platforms offer.
Hello @waylonpalmerwebsite and welcome to the community!
Yes! You can activate as such: https://www.datocms.com/docs/scripting-migrations/apply-migrations-to-primary-environment#step-1-turn-on-maintenance-mode-to-prevent-changes-to-the-primary-environment
When active, all content and schema changes are blocked both on the Dashboard and on the APIs.