diff --git a/bin/super-cli.py b/bin/super-cli.py
index 0ba0d39..efad506 100755
--- a/bin/super-cli.py
+++ b/bin/super-cli.py
@@ -3145,7 +3145,22 @@ def cmd_swarm_list(args):
 
 
 def cmd_swarm_status(args):
-    cmd = ["python3", str(BIN_DIR / "box-ctl.py"), "swarm-status", args.swarm_id]
+    sid = args.swarm_id
+    if not sid.startswith("sw-"):
+        sid = "sw-" + sid
+    # Support prefix matching if exact ID is truncated (e.g. 18 chars)
+    sw_file = Path(__file__).parent.parent / "swarms.json"
+    if sw_file.exists():
+        try:
+            import json
+            data = json.loads(sw_file.read_text(encoding="utf-8"))
+            if sid not in data:
+                matches = [k for k in data.keys() if k.startswith(sid)]
+                if len(matches) == 1:
+                    sid = matches[0]
+        except Exception:
+            pass
+    cmd = ["python3", str(BIN_DIR / "box-ctl.py"), "swarm-status", sid]
     res = subprocess.run(cmd, capture_output=True, text=True)
     if args.json:
         sys.stdout.write(res.stdout)