Hi! I started a startup, Known, that did exactly this in 2014, explicitly as part of the indieweb movement. The open source code is still around.

The trick is the economics here. A one-click solution is great, but right now the indieweb solves an ideological but not a hard _user_ problem. There isn't enough "there" there to either justify investment or get enough customers to cover the costs of a service.

The closest is micro.blog, which is a genuinely great service that bakes in this tech under the hood. But the tradeoff is that you can't run it on your own infra; it's a centralized service that is compatible with the protocols but isn't quite a genuinely indieweb tool.

I've wondered if there might be something around providing better tools for logging an agent's activities, or for publishing from a sensor / server / etc, but that's all speculation. Without a genuine hard user need, it's hard to imagine how this would work as a turnkey service.