diff --git a/gui-apps/metadata.xml b/gui-apps/metadata.xml
new file mode 100644
index 00000000000000..282995e8541d40
--- /dev/null
+++ b/gui-apps/metadata.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE catmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<catmetadata>
+	<longdescription lang="en">
+		The gui-apps category contains miscellaneous applications that
+		run across various window managers and gui backends.
+	</longdescription>
+</catmetadata>
+
diff --git a/gui-libs/metadata.xml b/gui-libs/metadata.xml
new file mode 100644
index 00000000000000..d49cae2ff9ff47
--- /dev/null
+++ b/gui-libs/metadata.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE catmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<catmetadata>
+	<longdescription lang="en">
+		The gui-libs category contains miscellaneous libraries that
+		support	various window managers.
+	</longdescription>
+</catmetadata>
+
diff --git a/gui-wm/metadata.xml b/gui-wm/metadata.xml
new file mode 100644
index 00000000000000..abfbde4aacbf02
--- /dev/null
+++ b/gui-wm/metadata.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE catmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<catmetadata>
+	<longdescription lang="en">
+		The gui-wm category contains various window managers.
+	</longdescription>
+</catmetadata>
+