diff --git a/rewrite-javascript-remote/src/main/java/org/openrewrite/javascript/remote/JavaScriptSenderReceiverProvider.java b/rewrite-javascript-remote/src/main/java/org/openrewrite/javascript/remote/JavaScriptSenderReceiverProvider.java
index 0a2426f6..2c8393d2 100644
--- a/rewrite-javascript-remote/src/main/java/org/openrewrite/javascript/remote/JavaScriptSenderReceiverProvider.java
+++ b/rewrite-javascript-remote/src/main/java/org/openrewrite/javascript/remote/JavaScriptSenderReceiverProvider.java
@@ -20,6 +20,7 @@
 import org.openrewrite.remote.Receiver;
 import org.openrewrite.remote.Sender;
 import org.openrewrite.remote.SenderReceiverProvider;
+import org.openrewrite.remote.Validator;
 
 @AutoService(SenderReceiverProvider.class)
 public class JavaScriptSenderReceiverProvider implements SenderReceiverProvider<JS> {
@@ -37,4 +38,9 @@ public Sender<JS> newSender() {
     public Receiver<JS> newReceiver() {
         return new JavaScriptReceiver();
     }
+
+    @Override
+    public Validator newValidator() {
+        return Validator.fromVisitor(new JavaScriptValidator<>());
+    }
 }
diff --git a/rewrite-javascript/src/main/java/org/openrewrite/javascript/JavaScriptValidator.java b/rewrite-javascript-remote/src/main/java/org/openrewrite/javascript/remote/JavaScriptValidator.java
similarity index 98%
rename from rewrite-javascript/src/main/java/org/openrewrite/javascript/JavaScriptValidator.java
rename to rewrite-javascript-remote/src/main/java/org/openrewrite/javascript/remote/JavaScriptValidator.java
index e3cbd294..ced300da 100644
--- a/rewrite-javascript/src/main/java/org/openrewrite/javascript/JavaScriptValidator.java
+++ b/rewrite-javascript-remote/src/main/java/org/openrewrite/javascript/remote/JavaScriptValidator.java
@@ -20,13 +20,17 @@
  * the code is regenerated.
 */
 
-package org.openrewrite.javascript;
+package org.openrewrite.javascript.remote;
 
 import org.jspecify.annotations.Nullable;
-import org.openrewrite.Tree;
+import org.openrewrite.*;
 import org.openrewrite.internal.ListUtils;
+import org.openrewrite.marker.Markers;
+import org.openrewrite.tree.*;
+import org.openrewrite.java.JavaVisitor;
 import org.openrewrite.java.tree.*;
-import org.openrewrite.javascript.tree.JS;
+import org.openrewrite.javascript.JavaScriptIsoVisitor;
+import org.openrewrite.javascript.tree.*;
 
 import java.util.List;
 
@@ -34,7 +38,7 @@ class JavaScriptValidator<P> extends JavaScriptIsoVisitor<P> {
 
     private <T extends Tree> @Nullable T visitAndValidate(@Nullable T tree, Class<? extends Tree> expected, P p) {
         if (tree != null && !expected.isInstance(tree)) {
-            throw new IllegalStateException("Type " + tree.getClass() + " is not assignable to " + expected);
+            throw new ClassCastException("Type " + tree.getClass() + " is not assignable to " + expected);
         }
         // noinspection unchecked
         return (T) visit(tree, p);
diff --git a/rewrite-javascript/src/main/java/org/openrewrite/javascript/JavaScriptParser.java b/rewrite-javascript/src/main/java/org/openrewrite/javascript/JavaScriptParser.java
index 3e7a0e19..112f0e80 100644
--- a/rewrite-javascript/src/main/java/org/openrewrite/javascript/JavaScriptParser.java
+++ b/rewrite-javascript/src/main/java/org/openrewrite/javascript/JavaScriptParser.java
@@ -25,6 +25,7 @@
 import org.openrewrite.remote.RemotingContext;
 import org.openrewrite.remote.RemotingExecutionContextView;
 import org.openrewrite.remote.RemotingMessenger;
+import org.openrewrite.remote.Validator;
 import org.openrewrite.remote.java.RemotingClient;
 import org.openrewrite.style.NamedStyles;
 import org.openrewrite.text.PlainTextParser;
@@ -135,13 +136,14 @@ public Stream<SourceFile> parseInputs(Iterable<Input> inputs, @Nullable Path rel
     }
 
     private SourceFile validate(JS.CompilationUnit sourceFile, Input input, @Nullable Path relativeTo, ExecutionContext ctx) {
-        JavaScriptValidator<Integer> typeValidator = new JavaScriptValidator<>();
+        assert remotingContext != null;
+        Validator validator = remotingContext.getProvider(sourceFile.getClass()).newValidator();
         try {
-            typeValidator.visit(sourceFile, 0);
-            return requirePrintEqualsInput(sourceFile, input, relativeTo, ctx);
+            validator.validate(sourceFile, ctx);
         } catch (Exception e) {
             return ParseError.build(this, input, relativeTo, ctx, new IllegalStateException("LST model has type validation errors", e));
         }
+        return requirePrintEqualsInput(sourceFile, input, relativeTo, ctx);
     }
 
     private final static List<String> EXTENSIONS = Collections.unmodifiableList(Arrays.asList(