garnet/bin/pkg_ctl/meta/pkgctl.cmx

{
    "program": {
        "binary": "bin/pkgctl"
    },
    "sandbox": {
        "services": [
            "fuchsia.pkg.PackageCache",
            "fuchsia.pkg.PackageResolver",
            "fuchsia.pkg.RepositoryManager",
            "fuchsia.pkg.rewrite.Engine"
        ]
    }
}