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: Tcl::pTk, Tcl::pTk::Adjuster, Tcl::pTk::Balloon, Tcl::pTk::BrowseEntry, Tcl::pTk::Canvas, Tcl::pTk::Configure, Tcl::pTk::Derived, Tcl::pTk::Dialog, Tcl::pTk::DialogBox, Tcl::pTk::DirTree, Tcl::pTk::DragDrop, Tcl::pTk::DragDrop::Common, Tcl::pTk::DragDrop::LocalDrop, Tcl::pTk::DragDrop::LocalSite, Tcl::pTk::DragDrop::Rect, Tcl::pTk::DropSite, Tcl::pTk::Facelift, Tcl::pTk::Font, Tcl::pTk::Frame, Tcl::pTk::HList, Tcl::pTk::Image, Tcl::pTk::ItemStyle, Tcl::pTk::Listbox, Tcl::pTk::MegaWidget, Tcl::pTk::Menu, Tcl::pTk::Menu::Item, Tcl::pTk::Pane, Tcl::pTk::ROText, Tcl::pTk::Table, Tcl::pTk::TableMatrix, Tcl::pTk::TableMatrix::Spreadsheet, Tcl::pTk::TableMatrix::SpreadsheetHideRows, Tcl::pTk::Text, Tcl::pTk::TextUndo, Tcl::pTk::Tie::Watch, Tcl::pTk::TkHijack, Tcl::pTk::Toplevel, Tcl::pTk::Trace, Tcl::pTk::Tree, Tcl::pTk::Widget, Tcl::pTk::ttkBrowseEntry, Tcl::pTk::ttkTixNoteBook

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.