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SQLLinter/Infrastructure/Rules/XmlJsonParsingRule.cs

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+using Microsoft.SqlServer.TransactSql.ScriptDom;
+using SQLLinter.Common;
+
+namespace SQLLinter.Infrastructure.Rules;
+
+public class XmlJsonParsingRule : BaseRuleVisitor
+{
+    public override string Text => "Запрещён парсинг XML/JSON.";
+
+    public override void Visit(FunctionCall node)
+    {
+        var fn = node.FunctionName.Value.ToUpperInvariant();
+        if (fn.Contains("OPENXML") || fn.Contains("OPENJSON") || fn.Contains("NODES"))
+        {
+            AddViolation(node);
+        }
+    }
+}