Note that server source code contains a feature to capture all traffic that you send over it:
https://github.com/robbie-cahill/tunnelmole-service/blob/c58...
I would only use the self-hosted version.
I would only use the self-hosted version.
You shouldn't assume that a server which is ostensibly running code you can see is actually running that code without modifications.
That said, there is a difference between someone claiming (explicitly or implicitly) that they're not doing something, versus not making a claim, versus admitting they are doing it.