You can build anything! Check out our tutorials here: https://docs.qvac.tether.io/sdk/tutorials/
Although an LLM chat is the starting point for many, there are many other use cases. We had people build domotics systems to control their house using natural language, vision based assistants for surveillance (e.g. send a notification describing what's happening instead of a classic "Movement detected") etc. and everything remains on your device / in your network.