Hz unity meta mixed reality utility kit
Skill meta-quest/agentic-tools/skills/hz-unity-meta-mixed-reality-utility-kit
Agent Skills for Meta Quest/Horizon OS VR DevelopmentFrom the repository description
npx -y skills add meta-quest/agentic-tools --skill hz-unity-meta-mixed-reality-utility-kitAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.