News for hackers. Stuff that matters.
Re:Show HN: I Built a “Google Alerts” for Hacker News by ignoramous on Wednesday August 28, 2019 @07:48PM (#20825272)
I recall Cloudflare CTO, jgrahamc, mention he uses / built exactly what you ask for [0].

[0] https://news.ycombinator.com/item?id=19486562

Re:Show HN: I Built a “Google Alerts” for Hacker News by marcxmiller on Wednesday August 28, 2019 @07:56PM (#20825332)
"I try to answer questions about Cloudflare, or comments about the company, here when I have the time. I do the same on Twitter (and to a certain extent on Reddit). I have code that monitors HN for mentions of "Cloudflare" and emails me within a couple of minutes."