diff --git a/extensions/hello-world/extension.info b/extensions/hello-world/extension.info
new file mode 100644
index 0000000..793a121
--- /dev/null
+++ b/extensions/hello-world/extension.info
@@ -0,0 +1,9 @@
+# -*- mode: yaml -*-
+# vim: ft=yaml
+
+name: hello-world
+id: net.doorstuck.socks.hello-world
+license: BSD-3-Clause
+copyright: Copyright © Max Wash 2023
+sources:
+  - hello-world.c
diff --git a/extensions/hello-world/hello-world.c b/extensions/hello-world/hello-world.c
new file mode 100644
index 0000000..e69de29