Support for Built-in Agent Skills (#16045)

packages/cli/src/ui/commands/skillsCommand.ts

@@ -23,12 +23,18 @@ async function listAction(
   context: CommandContext,
   args: string,
 ): Promise<void | SlashCommandActionReturn> {
-  const subCommand = args.trim();
+  const subArgs = args.trim().split(/\s+/);
 
   // Default to SHOWING descriptions. The user can hide them with 'nodesc'.
   let useShowDescriptions = true;
-  if (subCommand === 'nodesc') {
-    useShowDescriptions = false;
+  let showAll = false;
+
+  for (const arg of subArgs) {
+    if (arg === 'nodesc' || arg === '--nodesc') {
+      useShowDescriptions = false;
+    } else if (arg === 'all' || arg === '--all') {
+      showAll = true;
+    }
   }
 
   const skillManager = context.services.config?.getSkillManager();
@@ -43,7 +49,9 @@ async function listAction(
     return;
   }
 
-  const skills = skillManager.getAllSkills();
+  const skills = showAll
+    ? skillManager.getAllSkills()
+    : skillManager.getAllSkills().filter((s) => !s.isBuiltin);
 
   const skillsListItem: HistoryItemSkillsList = {
     type: MessageType.SKILLS_LIST,
@@ -53,6 +61,7 @@ async function listAction(
       disabled: skill.disabled,
       location: skill.location,
       body: skill.body,
+      isBuiltin: skill.isBuiltin,
     })),
     showDescriptions: useShowDescriptions,
   };
@@ -278,7 +287,8 @@ export const skillsCommand: SlashCommand = {
   subCommands: [
     {
       name: 'list',
-      description: 'List available agent skills. Usage: /skills list [nodesc]',
+      description:
+        'List available agent skills. Usage: /skills list [nodesc] [all]',
       kind: CommandKind.BUILT_IN,
       action: listAction,
     },