You will have far, far fewer punctures with tubeless than tubes.
When you do need something, Dynaplug 'darts' are excellent and quick. Not the cheapest, but having messed around with 'anchovies' etc, I'd recommend these every time.
The DynaPlugger™ is a simple, rugged, rad way to repair your tubeless tire. Just find the puncture, align the tool, push into puncture, pull out and the plug stays in place. Now you're ready to get back to shredding! Dynaplugger™ is a molded of Glass-Filled Nylon. Even though it weighs only 35...
dynaplug.co.uk
(I do still carry a spare tube for when it really goes pear-shaped, but I haven't used it for myself in 5+ years.)