diff --git a/Casks/m/metamer.rb b/Casks/m/metamer.rb
new file mode 100644
index 0000000000..fc06be0f10
--- /dev/null
+++ b/Casks/m/metamer.rb
@@ -0,0 +1,31 @@
+cask "metamer" do
+  version "1.3,2023.10"
+  sha256 "51048edebae6880aea67cb15ae5274a21f4fb0ebda4442cf149b9e1b3733f9a4"
+
+  url "https://eclecticlightdotcom.files.wordpress.com/#{version.csv.second.major}/#{version.csv.second.minor}/metamer#{version.csv.first.no_dots}.zip",
+      verified: "eclecticlightdotcom.files.wordpress.com/"
+  name "Metamer"
+  desc "Accessible metadata editor for 16 Spotlight extended attributes"
+  homepage "https://eclecticlight.co/xattred-sandstrip-xattr-tools/"
+
+  livecheck do
+    url "https://raw.githubusercontent.com/hoakleyelc/updates/master/eclecticapps.plist"
+    strategy :page_match do |page|
+      match = page.match(%r{(\d+)/(\d+)/metamer(\d+)\.zip}i)
+      next if match.blank?
+
+      "#{match[3].split("", 2).join(".")},#{match[1]}.#{match[2]}"
+    end
+  end
+
+  depends_on macos: ">= :mojave"
+
+  app "metamer#{version.csv.first.no_dots}/Metamer.app"
+
+  zap trash: [
+    "~/Library/Caches/co.eclecticlight.Metamer/",
+    "~/Library/HTTPStorages/co.eclecticlight.Metamer/",
+    "~/Library/Preferences/co.eclecticlight.Metamer.plist",
+    "~/Library/Saved Application State/co.eclecticlight.Metamer.savedState/",
+  ]
+end