@raphael @silverpill Elixir, but I glossed over a lot of details about issues I was having. I actually found a big problem with the json-ld library in Elixir I was using but was able to code around it.

A lot of the issues were honestly problems with activitypub and json-ld, like it doesn't matter if you use json-ld, you have to assume that your recipients do not so you have to write custom code to force your output to something that mastodon recognizes.

I tried to find a database for storing json-ld (or rdf or turtle) and then lets you query on it and there are few options and they all suck.

There is zero benefit to json-ld and lots of unnecessary cost. I tried really hard to make it work.