Hi,
We just released 1.0.0 of commit-message-validator: https://www.mediawiki.org/wiki/Commit-message-validator. If you haven't heard of this project before, it's a tool that can be installed as a git hook locally to ensure your commit message follows our guidelines: https://www.mediawiki.org/wiki/Gerrit/Commit_message_guidelines. (It has a GitHub mode too.)
You can also have CI run it on patches submitted to your project, please file a bug in the Continuous-Integration-Config Phabricator project if you want it turned on.
Coincidentally we just passed the 6 year anniversary of this tool. It was originally written by Bryan Davis and then improved by contributions from Fabian Neundorf, Rafid Aslam, dalba, Arturo Borrero Gonzalez, Antoine Musso, Ahmon Dancy and myself. Here's to another 6 years!
-- Legoktm