The most useful automation for me has been a few simple commands. Here are some examples I use for repos in GitHub to resolve issues and PRs.
/gh-issue [issue number]
/gh-pr [pr number]
Edit: replaced links to private github repo to pastebin.
https://pastebin.com/5Spg4jGu
https://pastebin.com/hubWMqGa
Those both 404, private repo?
Those both 404, private repo?