merb-plugins

Currently the rake tasks for merb_auth_password_slice are

rake slices:mauth_password_slice:copy_assets          # Copy public assets to host application
rake slices:mauth_password_slice:freeze               # Freeze MerbAuthPasswordSlice into your app (only mauth_password_slice/app)
rake slices:mauth_password_slice:freeze:app           # Freezes MerbAuthPasswordSlice by copying all files from mauth_password_slice/app to your application
rake slices:mauth_password_slice:freeze:app_with_gem  # Freezes MerbAuthPasswordSlice as a gem and copies over mauth_password_slice/app
rake slices:mauth_password_slice:freeze:gem           # Freezes MerbAuthPasswordSlice by installing the gem into application/gems using merb-freezer
rake slices:mauth_password_slice:freeze:models        # Freeze all models into your application for easy modification
rake slices:mauth_password_slice:freeze:unpack        # Freezes MerbAuthPasswordSlice by unpacking all files into your application
rake slices:mauth_password_slice:freeze:views         # Freeze all views into your application for easy modification
rake slices:mauth_password_slice:install              # Install MerbAuthPasswordSlice
rake slices:mauth_password_slice:migrate              # Migrate the database / Migrate the database
rake slices:mauth_password_slice:patch                # Copy stub files and views to host application
rake slices:mauth_password_slice:preflight            # Test for any dependencies / Test for any dependencies
rake slices:mauth_password_slice:setup_directories    # Setup directories
rake slices:mauth_password_slice:spec                 # Run slice specs within the host application context
rake slices:mauth_password_slice:spec:controller      # Run all controller specs, run a spec for a specific Controller with CONTROLLER=MyController
rake slices:mauth_password_slice:spec:default         # Run specs
rake slices:mauth_password_slice:spec:html            # Run all specs and output the result in html
rake slices:mauth_password_slice:spec:model           # Run all model specs, run a spec for a specific Model with MODEL=MyModel
rake slices:mauth_password_slice:spec:view            # Run all view specs, run specs for a specific controller (and view) with CONTROLLER=MyController (VIEW=MyView)
rake slices:mauth_password_slice:stubs                # Copy stub files to host application

I suggest to replace mauth_password_slice with merb_auth_password_slice to reflect the move from mauth branch merb_auth plugin.