There are browser extensions like Reddit Check or What Hacker News Says which will show Reddit and/or HN comments on any website you visit. So it's very similar in functionality. Sometimes it can be useful. https://chrome.google.com/webstore/detail/reddit-check/mllceaiaedaingchlgolnfiibippgkmj. - Source: Hacker News / about 1 year ago

I know you're advertising a tool you made, but I'd be remiss if I didn't mention another cool Chrome extension: Reddit Check. Source: over 1 year ago

Reddit Check - Doesn't find as many threads as the above but seems to work on every website. Make sure to disable exact match and save in options for the best results. Source: about 2 years ago

Another great service for mentions is https://syften.com/, also supports Twitter but is paid. - Source: Hacker News / about 1 month ago

I'm working on https://syften.com - a few of my users switched from Mention. - Source: Hacker News / 2 months ago

You can try https://syften.com, but it's paid. - Source: Hacker News / 7 months ago

You might find https://syften.com/ interesting. I use it for monitoring Reddit and all kinds of communities for mentions of my name and the titles of my books. - Source: Hacker News / 8 months ago

Have you tried this one? https://syften.com/?redirect=false#pricing. Seems like it's an option for your use case. You just format the example of a problem as keyword as filter. - Source: Hacker News / almost 1 year ago