diff --git a/config/rector/sets/cakephp53.php b/config/rector/sets/cakephp53.php
index 407d181..643ec3f 100644
--- a/config/rector/sets/cakephp53.php
+++ b/config/rector/sets/cakephp53.php
@@ -2,6 +2,7 @@
 declare(strict_types=1);
 
 use Cake\Upgrade\Rector\Rector\ClassMethod\FormExecuteToProcessRector;
+use Cake\Upgrade\Rector\Rector\MethodCall\BreadcrumbsHelperAddManyRector;
 use Cake\Upgrade\Rector\Rector\MethodCall\EntityIsEmptyRector;
 use Cake\Upgrade\Rector\Rector\MethodCall\EntityPatchRector;
 use Cake\Upgrade\Rector\Rector\MethodCall\NewExprToFuncRector;
@@ -25,6 +26,7 @@
         'Cake\TestSuite\Fixture\TransactionFixtureStrategy' => 'Cake\TestSuite\Fixture\TransactionStrategy',
         'Cake\TestSuite\Fixture\TruncateFixtureStrategy' => 'Cake\TestSuite\Fixture\TruncateStrategy',
     ]);
+    $rectorConfig->rule(BreadcrumbsHelperAddManyRector::class);
     $rectorConfig->rule(EntityIsEmptyRector::class);
     $rectorConfig->rule(EntityPatchRector::class);
     $rectorConfig->rule(FormExecuteToProcessRector::class);
diff --git a/src/Rector/Rector/MethodCall/BreadcrumbsHelperAddManyRector.php b/src/Rector/Rector/MethodCall/BreadcrumbsHelperAddManyRector.php
new file mode 100644
index 0000000..ecfbc7f
--- /dev/null
+++ b/src/Rector/Rector/MethodCall/BreadcrumbsHelperAddManyRector.php
@@ -0,0 +1,142 @@
+<?php
+declare(strict_types=1);
+
+namespace Cake\Upgrade\Rector\Rector\MethodCall;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr\Array_;
+use PhpParser\Node\Expr\ArrayItem;
+use PhpParser\Node\Expr\MethodCall;
+use PhpParser\Node\Identifier;
+use PhpParser\Node\Scalar\String_;
+use PHPStan\Type\ObjectType;
+use Rector\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * Transforms BreadcrumbsHelper::add(array) to addMany() and prepend(array) to prependMany()
+ *
+ * In CakePHP 5.3, passing an array of crumbs to add() or prepend() is deprecated.
+ * Use addMany() or prependMany() instead.
+ *
+ * @see https://book.cakephp.org/5/en/appendices/5-3-migration-guide.html
+ */
+final class BreadcrumbsHelperAddManyRector extends AbstractRector
+{
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Change BreadcrumbsHelper::add(array) to addMany() and prepend(array) to prependMany()',
+            [
+                new CodeSample(
+                    <<<'CODE_SAMPLE'
+$this->Breadcrumbs->add([
+    ['title' => 'Home', 'url' => '/'],
+    ['title' => 'Articles', 'url' => '/articles'],
+]);
+CODE_SAMPLE
+                    ,
+                    <<<'CODE_SAMPLE'
+$this->Breadcrumbs->addMany([
+    ['title' => 'Home', 'url' => '/'],
+    ['title' => 'Articles', 'url' => '/articles'],
+]);
+CODE_SAMPLE,
+                ),
+            ],
+        );
+    }
+
+    public function getNodeTypes(): array
+    {
+        return [MethodCall::class];
+    }
+
+    public function refactor(Node $node): ?Node
+    {
+        if (!$node instanceof MethodCall) {
+            return null;
+        }
+
+        // Must be add or prepend method
+        if (!$node->name instanceof Identifier) {
+            return null;
+        }
+
+        $methodName = $node->name->toString();
+        if ($methodName !== 'add' && $methodName !== 'prepend') {
+            return null;
+        }
+
+        // Must have at least one argument
+        if (count($node->args) < 1) {
+            return null;
+        }
+
+        // First argument must be an array
+        $firstArg = $node->args[0]->value;
+        if (!$firstArg instanceof Array_) {
+            return null;
+        }
+
+        // Check if the array looks like an array of crumbs (array of arrays)
+        // rather than a single crumb with title/url keys
+        if (!$this->isArrayOfCrumbs($firstArg)) {
+            return null;
+        }
+
+        // Check if this is called on BreadcrumbsHelper
+        $callerType = $this->getType($node->var);
+        if (!$callerType instanceof ObjectType) {
+            return null;
+        }
+
+        if (!$callerType->isInstanceOf('Cake\View\Helper\BreadcrumbsHelper')->yes()) {
+            return null;
+        }
+
+        // Rename to addMany or prependMany
+        $newMethodName = $methodName === 'add' ? 'addMany' : 'prependMany';
+        $node->name = new Identifier($newMethodName);
+
+        return $node;
+    }
+
+    /**
+     * Determine if an array is an array of crumbs (array of arrays)
+     * vs a single crumb (array with title/url keys)
+     */
+    private function isArrayOfCrumbs(Array_ $array): bool
+    {
+        // An array of crumbs is typically a numerically indexed array of arrays
+        // e.g. [['title' => 'Home'], ['title' => 'Articles']]
+        // A single crumb would have string keys like 'title', 'url'
+        // e.g. ['title' => 'Home', 'url' => '/']
+
+        if (count($array->items) === 0) {
+            return false;
+        }
+
+        foreach ($array->items as $item) {
+            if (!$item instanceof ArrayItem) {
+                continue;
+            }
+
+            // If item has a string key like 'title' or 'url', it's a single crumb
+            if ($item->key instanceof String_) {
+                $keyValue = $item->key->value;
+                if ($keyValue === 'title' || $keyValue === 'url' || $keyValue === 'options') {
+                    return false;
+                }
+            }
+
+            // If the item value is an array, it's likely an array of crumbs
+            if ($item->value instanceof Array_) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
diff --git a/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/BreadcrumbsHelperAddManyRectorTest.php b/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/BreadcrumbsHelperAddManyRectorTest.php
new file mode 100644
index 0000000..34412c0
--- /dev/null
+++ b/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/BreadcrumbsHelperAddManyRectorTest.php
@@ -0,0 +1,28 @@
+<?php
+declare(strict_types=1);
+
+namespace Cake\Upgrade\Test\TestCase\Rector\MethodCall\BreadcrumbsHelperAddManyRector;
+
+use Iterator;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class BreadcrumbsHelperAddManyRectorTest extends AbstractRectorTestCase
+{
+    /**
+     * @dataProvider provideData()
+     */
+    public function test(string $filePath): void
+    {
+        $this->doTestFile($filePath);
+    }
+
+    public static function provideData(): Iterator
+    {
+        return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+    }
+
+    public function provideConfigFilePath(): string
+    {
+        return __DIR__ . '/config/configured_rule.php';
+    }
+}
diff --git a/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/Fixture/fixture.php.inc b/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/Fixture/fixture.php.inc
new file mode 100644
index 0000000..7705a43
--- /dev/null
+++ b/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/Fixture/fixture.php.inc
@@ -0,0 +1,53 @@
+<?php
+
+namespace Cake\Upgrade\Test\TestCase\Rector\MethodCall\BreadcrumbsHelperAddManyRector\Fixture;
+
+use Cake\View\Helper\BreadcrumbsHelper;
+
+class SomeView
+{
+    private BreadcrumbsHelper $Breadcrumbs;
+
+    public function someMethod()
+    {
+        // Should transform: add with array of crumbs
+        $this->Breadcrumbs->add([
+            ['title' => 'Home', 'url' => '/'],
+            ['title' => 'Articles', 'url' => '/articles'],
+        ]);
+
+        // Should transform: prepend with array of crumbs
+        $this->Breadcrumbs->prepend([
+            ['title' => 'Dashboard'],
+        ]);
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Cake\Upgrade\Test\TestCase\Rector\MethodCall\BreadcrumbsHelperAddManyRector\Fixture;
+
+use Cake\View\Helper\BreadcrumbsHelper;
+
+class SomeView
+{
+    private BreadcrumbsHelper $Breadcrumbs;
+
+    public function someMethod()
+    {
+        // Should transform: add with array of crumbs
+        $this->Breadcrumbs->addMany([
+            ['title' => 'Home', 'url' => '/'],
+            ['title' => 'Articles', 'url' => '/articles'],
+        ]);
+
+        // Should transform: prepend with array of crumbs
+        $this->Breadcrumbs->prependMany([
+            ['title' => 'Dashboard'],
+        ]);
+    }
+}
+
+?>
diff --git a/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/Fixture/skip_single_crumb.php.inc b/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/Fixture/skip_single_crumb.php.inc
new file mode 100644
index 0000000..3b98de8
--- /dev/null
+++ b/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/Fixture/skip_single_crumb.php.inc
@@ -0,0 +1,24 @@
+<?php
+
+namespace Cake\Upgrade\Test\TestCase\Rector\MethodCall\BreadcrumbsHelperAddManyRector\Fixture;
+
+use Cake\View\Helper\BreadcrumbsHelper;
+
+class SomeView
+{
+    private BreadcrumbsHelper $Breadcrumbs;
+
+    public function someMethod()
+    {
+        // Should NOT transform: single crumb with title/url
+        $this->Breadcrumbs->add('Home', '/');
+
+        // Should NOT transform: single crumb as array with title key
+        $this->Breadcrumbs->add(['title' => 'Home', 'url' => '/']);
+
+        // Should NOT transform: prepend single crumb
+        $this->Breadcrumbs->prepend('Dashboard');
+    }
+}
+
+?>
diff --git a/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/config/configured_rule.php b/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/config/configured_rule.php
new file mode 100644
index 0000000..809158c
--- /dev/null
+++ b/tests/TestCase/Rector/MethodCall/BreadcrumbsHelperAddManyRector/config/configured_rule.php
@@ -0,0 +1,9 @@
+<?php
+declare(strict_types=1);
+
+use Cake\Upgrade\Rector\Rector\MethodCall\BreadcrumbsHelperAddManyRector;
+use Rector\Config\RectorConfig;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rule(BreadcrumbsHelperAddManyRector::class);
+};
diff --git a/tests/test_apps/original/RectorCommand-testApply53/src/SomeTest.php b/tests/test_apps/original/RectorCommand-testApply53/src/SomeTest.php
index 6c8e855..c89faab 100644
--- a/tests/test_apps/original/RectorCommand-testApply53/src/SomeTest.php
+++ b/tests/test_apps/original/RectorCommand-testApply53/src/SomeTest.php
@@ -7,11 +7,14 @@
 use Cake\ORM\Entity;
 use Cake\ORM\Locator\LocatorAwareTrait;
 use Cake\ORM\Query;
+use Cake\View\Helper\BreadcrumbsHelper;
 
 class SomeTest
 {
     use LocatorAwareTrait;
 
+    private BreadcrumbsHelper $Breadcrumbs;
+
     public function testRenames(): void
     {
         $entity = new Entity();
@@ -24,6 +27,13 @@ public function testRenames(): void
         $table = $this->fetchTable('Articles');
         $expr = $table->find()->newExpr();
 
+        // BreadcrumbsHelper::add(array) should be changed to addMany()
+        $this->Breadcrumbs->add([
+            ['title' => 'Home', 'url' => '/'],
+        ]);
+        // Single crumb should stay as is
+        $this->Breadcrumbs->add('Articles', '/articles');
+
         // TypeFactory::getMap($type) should be changed to getMapped($type)
         $class = TypeFactory::getMap('datetime');
         $allTypes = TypeFactory::getMap(); // This should stay as is
diff --git a/tests/test_apps/upgraded/RectorCommand-testApply53/src/SomeTest.php b/tests/test_apps/upgraded/RectorCommand-testApply53/src/SomeTest.php
index d29afdf..48bf6b9 100644
--- a/tests/test_apps/upgraded/RectorCommand-testApply53/src/SomeTest.php
+++ b/tests/test_apps/upgraded/RectorCommand-testApply53/src/SomeTest.php
@@ -7,11 +7,14 @@
 use Cake\ORM\Entity;
 use Cake\ORM\Locator\LocatorAwareTrait;
 use Cake\ORM\Query;
+use Cake\View\Helper\BreadcrumbsHelper;
 
 class SomeTest
 {
     use LocatorAwareTrait;
 
+    private BreadcrumbsHelper $Breadcrumbs;
+
     public function testRenames(): void
     {
         $entity = new Entity();
@@ -24,6 +27,13 @@ public function testRenames(): void
         $table = $this->fetchTable('Articles');
         $expr = $table->find()->expr();
 
+        // BreadcrumbsHelper::add(array) should be changed to addMany()
+        $this->Breadcrumbs->addMany([
+            ['title' => 'Home', 'url' => '/'],
+        ]);
+        // Single crumb should stay as is
+        $this->Breadcrumbs->add('Articles', '/articles');
+
         // TypeFactory::getMap($type) should be changed to getMapped($type)
         $class = TypeFactory::getMapped('datetime');
         $allTypes = TypeFactory::getMap(); // This should stay as is