diff --git a/std/std.internet.pdl b/std/std.internet.pdl
new file mode 100644
index 0000000000000000000000000000000000000000..3e016622c4f8586d89ec371eb4e778dcc28f719e
--- /dev/null
+++ b/std/std.internet.pdl
@@ -0,0 +1,12 @@
+#module std.internet
+
+union Cmd {
+    Send(u8[]),
+    Receive,
+    Finish,
+    Shutdown,
+}
+
+primitive tcp_client(u8[] ip, u16 port, in<Cmd> cmds, out<u8[]> rx) {
+    #builtin
+}