This project has 4 parts:

• bot is a Python script running as a Taskcluster hook, aggregating code coverage data from Mozilla repositories,
• backend is a Python API built with Flask, that serves the aggregated code coverage data, in an efficient way,
• frontend is a vanilla Javascript SPA displaying code coverage data in your browser,
• addon is a Web Extension for Firefox, extending several Mozilla websites with code coverage data. Published at https://addons.mozilla.org/firefox/addon/gecko-code-coverage/.

You can reach us on our Matrix instance: #codecoverage:mozilla.org