.ci/generate_bear_requirements.py generates package.json, bear-requirements.txt and Gemfile.

.ci/generate_bear_requirements.py should be enhanced to also support the Perl bears, and generate Makefile.PL using jinja2 templates to contain

use ExtUtils::MakeMaker;
WriteMakefile(
    NAME              => 'Coala::Bears',
    VERSION           => '0.10',
    PREREQ_PM         => {Perl::Critic => 1.126},
);