diff --git a/internal/rosa/all.go b/internal/rosa/all.go
index 0c80c70..2634a5d 100644
--- a/internal/rosa/all.go
+++ b/internal/rosa/all.go
@@ -122,6 +122,9 @@ const (
 	buildcatrust
 	utilMacros
 
+	// musl is a standalone libc that does not depend on the toolchain.
+	musl
+
 	// gcc is a hacked-to-pieces GCC toolchain meant for use in intermediate
 	// stages only. This preset and its direct output must never be exposed.
 	gcc
diff --git a/internal/rosa/musl.go b/internal/rosa/musl.go
index e06f777..4ac5a4e 100644
--- a/internal/rosa/musl.go
+++ b/internal/rosa/musl.go
@@ -46,3 +46,8 @@ rmdir -v /work/lib
 		t.Load(Coreutils),
 	)...)
 }
+func init() {
+	artifactsF[musl] = func(t Toolchain) pkg.Artifact {
+		return t.newMusl(false, nil)
+	}
+}