### New Feature / Enhancement Checklist <!-- Check every following box [x] before submitting your issue. Click the "Preview" tab for better readability. Thanks for contributing to Parse Platform! --> - [x] I am not disclosing a [vulnerability](https://github.com/parse-community/parse-server/blob/master/SECURITY.md). - [x] I am not just asking a [question](https://github.com/parse-community/.github/blob/master/SUPPORT.md). - [x] I have searched through [existing issues](https://github.com/parse-community/parse-server/issues?q=is%3Aissue). ### Current Limitation No way to disable graphql introspection ### Feature / Enhancement Description Add a `masterKeyOnlyGraphQLIntrospection` option. That only allow the master key to perform a full schema introspection. ### Example Use Case `masterKeyOnlyGraphQLIntrospection: true` ### Alternatives / Workarounds None ### 3rd Party References <!-- Have you seen a similar functionality provided somewhere else? -->