diff --git a/.gitea/ci/sync_thirdparty_skills.sh b/.gitea/ci/sync_thirdparty_skills.sh
index aacea86..f19a9c2 100644
--- a/.gitea/ci/sync_thirdparty_skills.sh
+++ b/.gitea/ci/sync_thirdparty_skills.sh
@@ -25,6 +25,7 @@ for entry in data["sources"]:
                 entry["sync_mode"],
                 entry["source_list"],
                 entry.get("skills_subdir", ""),
+                ",".join(entry.get("exclude_skill_dirs", [])),
                 entry.get("output_name", entry["id"]),
                 entry.get("platform_config", ""),
                 entry.get("template_root", ""),
@@ -107,6 +108,23 @@ tracked_skill_exists() {
   return 1
 }
 
+is_excluded_skill_dir() {
+  local name="$1"
+  local exclude_csv="$2"
+
+  [ -n "$exclude_csv" ] || return 1
+
+  local IFS=','
+  read -r -a excluded_names <<< "$exclude_csv"
+  for excluded_name in "${excluded_names[@]}"; do
+    if [ "$name" = "$excluded_name" ]; then
+      return 0
+    fi
+  done
+
+  return 1
+}
+
 cd "$REPO_DIR"
 
 git config user.name "$COMMIT_AUTHOR_NAME"
@@ -131,7 +149,7 @@ if ! emit_sources_tsv > "$sources_file"; then
   exit 1
 fi
 
-while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_subdir output_name platform_config template_root data_dir scripts_dir; do
+while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_subdir exclude_skill_dirs output_name platform_config template_root data_dir scripts_dir; do
   [ -n "$source_id" ] || continue
 
   if [ -f "$source_list" ]; then
@@ -143,7 +161,7 @@ while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_su
 done < "$sources_file"
 
 declare -A owners=()
-while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_subdir output_name platform_config template_root data_dir scripts_dir; do
+while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_subdir exclude_skill_dirs output_name platform_config template_root data_dir scripts_dir; do
   [ -n "$source_id" ] || continue
 
   git archive --format=tar "origin/${THIRDPARTY_BRANCH}" "$snapshot_dir" | tar -xf - -C "$tmp_dir"
@@ -161,6 +179,9 @@ while IFS=$'\x1f' read -r source_id snapshot_dir sync_mode source_list skills_su
       for dir in "$source_skills_dir"/*; do
         [ -d "$dir" ] || continue
         name="$(basename "$dir")"
+        if is_excluded_skill_dir "$name" "$exclude_skill_dirs"; then
+          continue
+        fi
         if [ -n "${owners[$name]:-}" ] && [ "${owners[$name]}" != "$source_id" ]; then
           echo "ERROR: duplicate third-party skill name: $name" >&2
           exit 1
diff --git a/.gitea/ci/thirdparty_skills.json b/.gitea/ci/thirdparty_skills.json
index 0196f10..a74fcb2 100644
--- a/.gitea/ci/thirdparty_skills.json
+++ b/.gitea/ci/thirdparty_skills.json
@@ -7,7 +7,8 @@
       "snapshot_dir": "superpowers",
       "sync_mode": "copy_skill_dirs",
       "source_list": "codex/skills/.sources/superpowers.list",
-      "skills_subdir": "skills"
+      "skills_subdir": "skills",
+      "exclude_skill_dirs": ["ui-ux-pro-max"]
     },
     {
       "id": "ui-ux-pro-max",
diff --git a/tests/test_thirdparty_skills_pipeline.py b/tests/test_thirdparty_skills_pipeline.py
index bd5a0d3..fe8419f 100644
--- a/tests/test_thirdparty_skills_pipeline.py
+++ b/tests/test_thirdparty_skills_pipeline.py
@@ -33,6 +33,11 @@ class ThirdpartySkillsPipelineTests(unittest.TestCase):
         self.assertEqual(ui_skill["sync_mode"], "render_codex_skill")
         self.assertEqual(ui_skill["snapshot_dir"], "ui-ux-pro-max")
 
+    def test_superpowers_manifest_excludes_ui_ux_pro_max_from_copy_mode(self):
+        data = load_manifest()
+        superpowers = next(item for item in data["sources"] if item["id"] == "superpowers")
+        self.assertEqual(superpowers["exclude_skill_dirs"], ["ui-ux-pro-max"])
+
     def test_workflow_uses_generic_scripts_and_single_serial_job(self):
         text = WORKFLOW.read_text(encoding="utf-8")
         self.assertFalse(LEGACY_WORKFLOW.exists())
@@ -97,6 +102,8 @@ class ThirdpartySkillsPipelineTests(unittest.TestCase):
         self.assertIn('"\\x1f".join(', text)
         self.assertIn("while IFS=$'\\x1f' read -r", text)
         self.assertNotIn("while IFS=$'\\t' read -r", text)
+        self.assertIn("exclude_skill_dirs", text)
+        self.assertIn('if is_excluded_skill_dir "$name" "$exclude_skill_dirs"; then', text)
 
 
 if __name__ == "__main__":