Access to teamcity ruby libraries

I noticed these libraries being included in a ruby project that can only run on a teamcity agent.  Is there any way to get access to these libraries?

I'd like to put them on a remote machine so I can use a tool that will report teamcity messages correctly for minitest.
require 'teamcity/runner_common'
  require 'teamcity/utils/service_message_factory'
  require 'teamcity/utils/runner_utils'
  require 'teamcity/utils/url_formatter'
In particular the the gem is minitest-reporters:

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