Allow git clone for free/unrestricted still.
Require the user to sign in to view html views. Sign in require a valid email or phone where a validation link is sent.
Or: Users signed in won’t see the Anubis. Users not signed in can still see the html views but have to use a very high work level?
Or: Limit unauthenticated requests from an IP to 5/minute. Authenticated requests can do a lot more before hitting the limit.