@darius @cwebber

So, which software would _not_ support it ?
I think any software supports "Actors" ?
For mastodon and pleroma it is described here :
git.pleroma.social/pleroma/ple

[only downside: mastodon will show '(bot)' after the event name in the profile]

Redaktor does it the same way than pleroma (and skohub, see previous comment) …