I think there’s general consensus among libertarians that people should have rights and freedom.
Do what you want with your own property and don’t touch mine without permission.
Discussion
It makes sense, but it provides no governance toolkit for externalities outside of "lol just sue your billionaire corporate neighbor if he treads on you"
It also, taken to its extremes, ascribes absolute agency to any person with a heartbeat, regardless of age or mental firmness.
Yes, every human has agency but that doesn’t mean that children should be able to do anything an adult can. There is a difference between a child and an adult which I think almost everyone recognizes.
Yes, a strong rule of law applied equally regardless of power or money would be fantastic. What other tools are you talking about?