diff --git a/tree/.local/nu/macos.nu b/tree/.local/nu/macos.nu
new file mode 100644
index 0000000..c9531ac
--- /dev/null
+++ b/tree/.local/nu/macos.nu
@@ -0,0 +1,23 @@
+# Utility commands for macos
+
+def "net route 4" [
+] {
+	netstat -rnl -f inet | tail +4 | from ssv -m 1 | into int Refs Use Mtu
+}
+
+def "net route 6" [
+] {
+	netstat -rnl -f inet6 | tail +4 | from ssv -m 1 | into int Refs Use Mtu
+}
+
+def "net fw rule" [
+	--anchor (-a): string
+] {
+	sudo pfctl -sr -a $anchor | lines
+}
+
+def "net fw nat" [
+	--anchor (-a): string
+] {
+	sudo pfctl -sn -a $anchor | lines
+}