Looks like this is a wrapper around: https://github.com/mlc-ai/web-llm
Which has a full web demo: https://chat.webllm.ai/
Which has a full web demo: https://chat.webllm.ai/
It doesn't seem so to me, either from the way it works or from what little of the code I've looked at...
But I don't have time to do more than the quick glance I just did at a few of the files of each and need to run, so hopefully someone cleverer than me who won't need as much time as me to answer the question could confirm while I'm afk
(source: maintains an LLM client that works across MLC/llama.cpp/3P providers; author of sibling comment that misunderstood initially)
EDIT: Ah, wrapper ~= using it as a dependency, no more