diff --git a/agent/skill_commands.py b/agent/skill_commands.py
index fff29eff..e878326a 100644
--- a/agent/skill_commands.py
+++ b/agent/skill_commands.py
@@ -234,7 +234,7 @@ def scan_skill_commands() -> Dict[str, Dict[str, Any]]:
 
         for scan_dir in dirs_to_scan:
             for skill_md in iter_skill_index_files(scan_dir, "SKILL.md"):
-                if any(part in ('.git', '.github', '.hub') for part in skill_md.parts):
+                if any(part in ('.git', '.github', '.hub', '.archive') for part in skill_md.parts):
                     continue
                 try:
                     content = skill_md.read_text(encoding='utf-8')
diff --git a/agent/skill_utils.py b/agent/skill_utils.py
index b26bf829..cecbb1fc 100644
--- a/agent/skill_utils.py
+++ b/agent/skill_utils.py
@@ -24,7 +24,7 @@ PLATFORM_MAP = {
     "windows": "win32",
 }
 
-EXCLUDED_SKILL_DIRS = frozenset((".git", ".github", ".hub"))
+EXCLUDED_SKILL_DIRS = frozenset((".git", ".github", ".hub", ".archive"))
 
 # ── Lazy YAML loader ─────────────────────────────────────────────────────
 
@@ -440,7 +440,7 @@ def extract_skill_description(frontmatter: Dict[str, Any]) -> str:
 def iter_skill_index_files(skills_dir: Path, filename: str):
     """Walk skills_dir yielding sorted paths matching *filename*.
 
-    Excludes ``.git``, ``.github``, ``.hub`` directories.
+    Excludes ``.git``, ``.github``, ``.hub``, ``.archive`` directories.
     """
     matches = []
     for root, dirs, files in os.walk(skills_dir, followlinks=True):
diff --git a/gateway/run.py b/gateway/run.py
index 04061ba4..9107f6c4 100644
--- a/gateway/run.py
+++ b/gateway/run.py
@@ -638,7 +638,7 @@ def _check_unavailable_skill(command_name: str) -> str | None:
             if not skills_dir.exists():
                 continue
             for skill_md in skills_dir.rglob("SKILL.md"):
-                if any(part in ('.git', '.github', '.hub') for part in skill_md.parts):
+                if any(part in ('.git', '.github', '.hub', '.archive') for part in skill_md.parts):
                     continue
                 name = skill_md.parent.name.lower().replace("_", "-")
                 if name == normalized and name in disabled: