Add a META.json to the distribution. Your buildtool should be able to autogenerate it.

Add 'use warnings' (or its equivalents) to all modules, or convince us that your favorite module is well-known enough and people can easily see the modules warn when something bad happens.

Error: Bubblegum::Object::Array, Bubblegum::Object::Code, Bubblegum::Object::Float, Bubblegum::Object::Hash, Bubblegum::Object::Instance, Bubblegum::Object::Integer, Bubblegum::Object::Number, Bubblegum::Object::Role::Coercive, Bubblegum::Object::Role::Collection, Bubblegum::Object::Role::Comparison, Bubblegum::Object::Role::Defined, Bubblegum::Object::Role::Indexed, Bubblegum::Object::Role::Item, Bubblegum::Object::Role::Keyed, Bubblegum::Object::Role::List, Bubblegum::Object::Role::Output, Bubblegum::Object::Role::Ref, Bubblegum::Object::Role::Value, Bubblegum::Object::Scalar, Bubblegum::Object::String, Bubblegum::Object::Undef, Bubblegum::Object::Universal, Bubblegum::Prototype, Bubblegum::Wrapper::Digest, Bubblegum::Wrapper::Dumper, Bubblegum::Wrapper::Encoder, Bubblegum::Wrapper::Json, Bubblegum::Wrapper::Yaml, gum

Add all modules contained in this distribution to the META.yml field 'provides'. Module::Build or Dist::Zilla::Plugin::MetaProvides do this automatically for you.