I don’t recall exactly where I learned this, but I know I’ve been using them successfully on many startups.
Each MVP has 4 main variables: Technology, Budget, Scope, and Time.
Before engaging with any development team, pick two variables you care about most and be honest about them.
If you are not willing to compromise on the scope and need to spend as little as possible… don’t push your team too hard with deadlines or using a particular technology.
After all, getting the feature the way you want and spending as little as possible is what you care about most, right?