[3np]

> I'll add an option to self-host the tool itself too if it's something people want

Having the source available under a license allowing me to locally inspect, build, and run it locally is a prerequisite for this to be interesting at all. Which would actually make it very interesting. For me, moreso than it actually working flawlessly.

> uploading all your messages to a random website might not be for everyone!

It should not be for anyone who either cares about their message content secrecy or who's uploading company chats where this is prohibited.