ChatGPT in an iOS Shortcut — Worlds Smartest HomeKit Voice Assistant

Mate Marschalko
8 min readJan 18, 2023

Ever since I tried ChatGPT and GPT-3, everything else feels painfully dumb and useless: Siri, Alexa, Google Home and all other “smart” assistants.

Here’s the shocking thing: you can build your own in less than an hour!

My other AI Assistant

To demonstrate how you can use assistants like this for other use-cases, I created an AI Car Mechanic you can discuss your car related issues with:


I have a fully built HomeKit smart home with dozens of lights, thermostats, underfloor heating, ventilation unit, cameras and a lot more, so I thought it would be great if I could replace Siri with GPT-3.

I asked GPT-3 to pretend to be the smart brain of my house, carefully explained what it can access around the house and how to respond to my requests.

I explained all this in plain English with no programme code involved.

Before we go into the details, here’s the demo. Bear in mind that the responses are always personalised and is not limited to what’s in the demo. You can literally ask anything you want and any way you want it!

“Programming” the Home Assistant

GPT-3, and especially ChatGPT are language models trained on conversational data which means they are extremely good at understanding and responding to human instructions.

If you tried any of these chat bots, you know how easily you can ask questions and get responses in a wide range of formats. The…



Mate Marschalko

Senior Creative Developer, Generative AI, Electronics with over 15 years experience | JavaScript, HTML, CSS