A simple request interface has been added. Let me know how it works out for you all. It only works on /tg/, so I don't think shit will break under heavy use or anything like that. It's automated, so you should get the thread archived immediately after the request unless something goes awry. Fortunately, you don't even have to spam shit at people to get things archived; currently, it just saves the thread on the first request. Also bonus: no ads like on 4chanarchive. Also also bonus: You don't get fucking banned for mentioning my site!
As always, email@example.com if you run into trouble or have suggestions/requests. I'm going to make it so you can add notes, titles, descriptions and tags to threads next; right now it just archives the thread by the original number and that's it.