Spook is a scary powerful toolbox for Home Assistant, but be aware, Spook is not your homie!
Spook is my friend and my personal little pet project that I develop in my free spare time to add some features to Home Assistant that I (or others) think are missing; but are not a good fit to ship with Home Assistant itself.
If you would ever ask me, if you should use Spook? I would say: No. This sounds odd, but I mean it. Using the least amount of custom integrations is always the best way to go.
That said, Spook is slowly becoming an scary powerful toolbox for Home Assistant, that many have come to love. So, if you are comfortable with using custom integrations, Spook might be a good fit for you.
Want to start using Spook? I would recommend picking up at the getting started section of the documentation. If you like to learn more about Spook its origin first, check out the background and history page for more information on that. Lastly, maybe the Frequently asked questions (FAQ) page can help you.