diff --git a/gs/stale/Interface.gs b/gs/stale/Interface.gs
new file mode 100644
index 000000000..88db7601f
--- /dev/null
+++ b/gs/stale/Interface.gs
@@ -0,0 +1,55 @@
+function EncodeUrlSlug(slug) {
+  return FilterLists.EncodeUrlSlug(slug);
+}
+
+function TrimUrlSlug(slug) {
+  return FilterLists.TrimUrlSlug(slug);
+}
+
+function GenerateHtmlViewLink(url,listName) {
+  return FilterLists.GenerateHtmlViewLink(url,listName);
+}
+
+function GenerateHtmlAddLink(url,listName) {
+  return FilterLists.GenerateHtmlAddLink(url,listName);
+}
+
+function GenerateHtmlHomeLink(url,listName) {
+  return FilterLists.GenerateHtmlHomeLink(url,listName);
+}
+
+function GenerateHtmlGuideLink(url,listName) {
+  return FilterLists.GenerateHtmlGuideLink(url,listName);
+}
+
+function GenerateHtmlForumLink(url,listName) {
+  return FilterLists.GenerateHtmlForumLink(url,listName);
+}
+
+function GenerateHtmlIssuesLink(url,listName) {
+  return FilterLists.GenerateHtmlIssuesLink(url,listName);
+}
+
+function GenerateHtmlEmailLink(url,listName) {
+  return FilterLists.GenerateHtmlEmailLink(url,listName);
+}
+
+function GenerateHtmlForksCombosLink(forkComboListName) {
+  return FilterLists.GenerateHtmlForksCombosLink(forkComboListName);
+}
+
+function GenerateHtmlChangelogLink(url,listName) {
+  return FilterLists.GenerateHtmlChangelogLink(url,listName);
+}
+
+function GenerateHtmlDonateLink(url,listName) {
+  return FilterLists.GenerateHtmlDonateLink(url,listName);
+}
+
+function GetLastUpdated(urlToCheck) {
+  return FilterLists.GetLastUpdated(urlToCheck);
+}
+
+function GenerateHtmlListName(listName) {
+  return FilterLists.GenerateHtmlListName(listName);
+}
\ No newline at end of file