Worth a look. Edubot is "a self-improving AI-based chatbot library that is completely platform-agnostic. Edubot intuitively jumps into conversations to give advice, make jokes, and add to the discussion. Its personality can be completely customised to suit the tone of different rooms." This is code you can download and install. But if you just want to try it on Matrix, here's a link to the Element client interface (because it's a discussion board you may need to log in). "Edubot is still under active development and is the first project from Open EdTech."
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