As mentioned, this includes the Mexico trilogy, four Spy Kids features, and two Machete movies, but also everything related to From Dusk Till Dawn, and both halves of Grindhouse.
Thanks to his long-time collaboration with Quentin Tarantino, Robert Rodriguez’s movieverse has actually been analyzed to exist as a Cinematic Universe inside the Tarantino-verse.
Tarantino’s specific contributions include bot Kill Bills, and Django Unchained (and things get even weirder from there because it’s been said Shaft is a descendant of Jamie Foxx’s character).