If you want to know if something has already been posted on hacker news and are using chrome, I've made an extension for that purpose. It's a reverse lookup that uses algolia search. It's not perfect but I use it daily and solves this problem
https://chrome.google.com/webstore/detail/hacker-news-lookup...
Why does the extension need browser history permissions? I see it states it does not use it, so curious what it's needed for. Cool idea regardless, just curious.
It's not used. I just need access to the current tab url and the ability to open tabs, but I am not sure how to require less permission... The manifest file looks like this:
Hope you find it useful