diff --git a/skills/paradiz/scripts/maintain_sync_sqlite.py b/skills/paradiz/scripts/maintain_sync_sqlite.py
new file mode 100755
index 0000000..fad868b
--- /dev/null
+++ b/skills/paradiz/scripts/maintain_sync_sqlite.py
@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+import argparse
+import json
+import sqlite3
+from pathlib import Path
+
+DB_PATH = Path('/home/openclaw/.openclaw/workspace/skills/paradiz/data/db/sync.sqlite')
+
+
+def main():
+    p = argparse.ArgumentParser(description='Cleanup and health-check for sync.sqlite')
+    p.add_argument('--days', type=int, default=90, help='Keep logs for last N days')
+    p.add_argument('--warn-mb', type=float, default=50.0, help='Warn if DB exceeds this size in MB')
+    args = p.parse_args()
+
+    if not DB_PATH.exists():
+        print(json.dumps({'ok': False, 'error': 'sync.sqlite not found', 'path': str(DB_PATH)}, ensure_ascii=False))
+        return
+
+    conn = sqlite3.connect(str(DB_PATH))
+    cur = conn.cursor()
+
+    before_rows = cur.execute('SELECT COUNT(*) FROM log').fetchone()[0]
+    cutoff = cur.execute("SELECT julianday('now', ?)", (f'-{args.days} days',)).fetchone()[0]
+
+    cur.execute('DELETE FROM log WHERE creation < ?', (cutoff,))
+    deleted = cur.rowcount if cur.rowcount is not None else 0
+    conn.commit()
+
+    cur.execute('VACUUM')
+    conn.close()
+
+    size_mb = DB_PATH.stat().st_size / (1024 * 1024)
+    warn = size_mb > args.warn_mb
+
+    # reopen only to read count after vacuum
+    conn = sqlite3.connect(str(DB_PATH))
+    cur = conn.cursor()
+    after_rows = cur.execute('SELECT COUNT(*) FROM log').fetchone()[0]
+    conn.close()
+
+    print(json.dumps({
+        'ok': True,
+        'db': str(DB_PATH),
+        'kept_days': args.days,
+        'rows_before': before_rows,
+        'rows_deleted': deleted,
+        'rows_after': after_rows,
+        'size_mb': round(size_mb, 3),
+        'warn_threshold_mb': args.warn_mb,
+        'size_warn': warn
+    }, ensure_ascii=False))
+
+
+if __name__ == '__main__':
+    main()