Anova sous vide control over MQTT

That’s fair enough. Anova haven’t published an API for interacting with their web service, but you may be interested in GitHub - bmedicke/anova.py: Python 3.6+ module to interface with the Anova 👨🏽‍🍳 Sous-vide cooker ⏱️ private API. , which reverse engineered it and looks to be fairly functional.