OpenCtx items on GitHub

The OpenCtx browser extension enhances GitHub's web UI with contextual info about code from your other dev tools.


  • Items on files in the GitHub code view
  • Items on diffs in GitHub pull requests

Screenshot of OpenCtx annotations in a GitHub pull request

Hover over a Prometheus metric registration in a GitHub PR to see what it's doing in prod

Screenshot of OpenCtx annotations in the GitHub code view

And when viewing files on GitHub.


After installing the browser extension, visit the following pages to see it in action:

Initially, the Hello World provider is enabled. Once you've confirmed that the browser extension is working, disable that provider by clicking on the OpenCtx extension icon in the Chrome toolbar and then changing the following line from true to false:

"": false,

Press Save and reload the page, and the Hello World items will be gone.