diff --git a/config/set/type-declaration-docblocks.php b/config/set/type-declaration-docblocks.php
new file mode 100644
index 00000000000..ed14898e71d
--- /dev/null
+++ b/config/set/type-declaration-docblocks.php
@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\TypeDeclarationDocblocks\Rector\Class_\DocblockVarFromParamDocblockInConstructorRector;
+use Rector\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockGetterReturnArrayFromPropertyDocblockVarRector;
+
+/**
+ * @experimental * 2025-09, experimental hidden set for type declaration in docblocks
+ */
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rules([
+        DocblockVarFromParamDocblockInConstructorRector::class,
+        DocblockGetterReturnArrayFromPropertyDocblockVarRector::class,
+    ]);
+};
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/DocblockGetterReturnArrayFromPropertyDocblockVarRectorTest.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/DocblockGetterReturnArrayFromPropertyDocblockVarRectorTest.php
new file mode 100644
index 00000000000..84bc7fbeb43
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/DocblockGetterReturnArrayFromPropertyDocblockVarRectorTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockGetterReturnArrayFromPropertyDocblockVarRector;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class DocblockGetterReturnArrayFromPropertyDocblockVarRectorTest 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/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/Fixture/skip_missing_return_type.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/Fixture/skip_missing_return_type.php.inc
new file mode 100644
index 00000000000..12328162b48
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/Fixture/skip_missing_return_type.php.inc
@@ -0,0 +1,16 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockGetterReturnArrayFromPropertyDocblockVarRector\Fixture;
+
+final class SkipMissingPropertyType
+{
+    /**
+     * @var string[]
+     */
+    private array $names = [];
+
+    public function getNames()
+    {
+        return $this->names;
+    }
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/Fixture/some_property_with_array_docblock.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/Fixture/some_property_with_array_docblock.php.inc
new file mode 100644
index 00000000000..8fdccb7bd3a
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/Fixture/some_property_with_array_docblock.php.inc
@@ -0,0 +1,40 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockGetterReturnArrayFromPropertyDocblockVarRector\Fixture;
+
+final class SomePropertyWithArrayDocblock
+{
+    /**
+     * @var string[]
+     */
+    private array $names = [];
+
+    public function getNames(): array
+    {
+        return $this->names;
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockGetterReturnArrayFromPropertyDocblockVarRector\Fixture;
+
+final class SomePropertyWithArrayDocblock
+{
+    /**
+     * @var string[]
+     */
+    private array $names = [];
+
+    /**
+     * @return string[]
+     */
+    public function getNames(): array
+    {
+        return $this->names;
+    }
+}
+
+?>
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/config/configured_rule.php b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/config/configured_rule.php
new file mode 100644
index 00000000000..b852f0fdb07
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector/config/configured_rule.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockGetterReturnArrayFromPropertyDocblockVarRector;
+
+return RectorConfig::configure()
+    ->withRules([DocblockGetterReturnArrayFromPropertyDocblockVarRector::class]);
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/DocblockVarFromParamDocblockInConstructorRectorTest.php b/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/DocblockVarFromParamDocblockInConstructorRectorTest.php
new file mode 100644
index 00000000000..85f501cba87
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/DocblockVarFromParamDocblockInConstructorRectorTest.php
@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\Class_\DocblockVarFromParamDocblockInConstructorRector;
+
+use Iterator;
+use PHPUnit\Framework\Attributes\DataProvider;
+use Rector\Testing\PHPUnit\AbstractRectorTestCase;
+
+final class DocblockVarFromParamDocblockInConstructorRectorTest 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/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/Fixture/skip_if_array_type_missing.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/Fixture/skip_if_array_type_missing.php.inc
new file mode 100644
index 00000000000..037e1a0f85e
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/Fixture/skip_if_array_type_missing.php.inc
@@ -0,0 +1,16 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\Class_\DocblockVarFromParamDocblockInConstructorRector\Fixture;
+
+final class SkipIfArrayTypeMissing
+{
+    private $names = [];
+
+    /**
+     * @param string[] $names
+     */
+    public function __construct(array $names)
+    {
+        $this->names = $names;
+    }
+}
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/Fixture/some_class.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/Fixture/some_class.php.inc
new file mode 100644
index 00000000000..d83aae40a4d
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/Fixture/some_class.php.inc
@@ -0,0 +1,40 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\Class_\DocblockVarFromParamDocblockInConstructorRector\Fixture;
+
+final class SomeClass
+{
+    private array $names = [];
+
+    /**
+     * @param string[] $names
+     */
+    public function __construct(array $names)
+    {
+        $this->names = $names;
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\Class_\DocblockVarFromParamDocblockInConstructorRector\Fixture;
+
+final class SomeClass
+{
+    /**
+     * @var string[]
+     */
+    private array $names = [];
+
+    /**
+     * @param string[] $names
+     */
+    public function __construct(array $names)
+    {
+        $this->names = $names;
+    }
+}
+
+?>
diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/config/configured_rule.php b/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/config/configured_rule.php
new file mode 100644
index 00000000000..65f0f0af931
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector/config/configured_rule.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\TypeDeclarationDocblocks\Rector\Class_\DocblockVarFromParamDocblockInConstructorRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->rule(DocblockVarFromParamDocblockInConstructorRector::class);
+};
diff --git a/rules/TypeDeclarationDocblocks/NodeAnalyzer/ConstructorAssignedTypeResolver.php b/rules/TypeDeclarationDocblocks/NodeAnalyzer/ConstructorAssignedTypeResolver.php
new file mode 100644
index 00000000000..913af1ba7a7
--- /dev/null
+++ b/rules/TypeDeclarationDocblocks/NodeAnalyzer/ConstructorAssignedTypeResolver.php
@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\TypeDeclarationDocblocks\NodeAnalyzer;
+
+use PhpParser\Node\Expr\Assign;
+use PhpParser\Node\Expr\PropertyFetch;
+use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\ClassMethod;
+use PHPStan\Type\Type;
+use Rector\NodeNameResolver\NodeNameResolver;
+use Rector\NodeTypeResolver\NodeTypeResolver;
+use Rector\PhpParser\Node\BetterNodeFinder;
+use Rector\ValueObject\MethodName;
+
+final readonly class ConstructorAssignedTypeResolver
+{
+    public function __construct(
+        private BetterNodeFinder $betterNodeFinder,
+        private NodeNameResolver $nodeNameResolver,
+        private NodeTypeResolver $nodeTypeResolver
+    ) {
+    }
+
+    public function resolve(Class_ $class, string $propertyName): ?Type
+    {
+        $constructorClassMethod = $class->getMethod(MethodName::CONSTRUCT);
+        if (! $constructorClassMethod instanceof ClassMethod) {
+            return null;
+        }
+
+        if ($constructorClassMethod->stmts === null) {
+            return null;
+        }
+
+        $assigns = $this->betterNodeFinder->findInstancesOfScoped($constructorClassMethod->stmts, Assign::class);
+        foreach ($assigns as $assign) {
+            if (! $assign->var instanceof PropertyFetch) {
+                continue;
+            }
+
+            $propertyFetch = $assign->var;
+            if (! $this->nodeNameResolver-> isName($propertyFetch->var, 'this')) {
+                continue;
+            }
+
+            if (! $this->nodeNameResolver-> isName($propertyFetch->name, $propertyName)) {
+                continue;
+            }
+
+            return $this->nodeTypeResolver->getType($assign->expr);
+        }
+
+        return null;
+    }
+}
diff --git a/rules/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector.php b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector.php
new file mode 100644
index 00000000000..b8400fd6b56
--- /dev/null
+++ b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/DocblockGetterReturnArrayFromPropertyDocblockVarRector.php
@@ -0,0 +1,135 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\TypeDeclarationDocblocks\Rector\ClassMethod;
+
+use PhpParser\Node;
+use PhpParser\Node\Expr\PropertyFetch;
+use PhpParser\Node\Stmt\ClassMethod;
+use PhpParser\Node\Stmt\Return_;
+use PHPStan\PhpDocParser\Ast\PhpDoc\ReturnTagValueNode;
+use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory;
+use Rector\Comments\NodeDocBlock\DocBlockUpdater;
+use Rector\Rector\AbstractRector;
+use Rector\StaticTypeMapper\StaticTypeMapper;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @see \Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\DocblockGetterReturnArrayFromPropertyDocblockVarRector\DocblockGetterReturnArrayFromPropertyDocblockVarRectorTest
+ */
+final class DocblockGetterReturnArrayFromPropertyDocblockVarRector extends AbstractRector
+{
+    public function __construct(
+        private readonly PhpDocInfoFactory $phpDocInfoFactory,
+        private readonly DocBlockUpdater $docBlockUpdater,
+        private readonly StaticTypeMapper $staticTypeMapper
+    ) {
+    }
+
+    public function getNodeTypes(): array
+    {
+        return [ClassMethod::class];
+    }
+
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition('Add @return array docblock to a getter method based on @var of the property', [
+            new CodeSample(
+                <<<'CODE_SAMPLE'
+class SomeClass
+{
+    /**
+     * @var int[]
+     */
+    private array $items;
+
+    public function getItems(): array
+    {
+        return $this->items;
+    }
+}
+CODE_SAMPLE
+                ,
+                <<<'CODE_SAMPLE'
+class SomeClass
+{
+    /**
+     * @var int[]
+     */
+    private array $items;
+
+    /**
+     * @return int[]
+     */
+    public function getItems(): array
+    {
+        return $this->items;
+    }
+}
+CODE_SAMPLE
+            ),
+        ]);
+    }
+
+    /**
+     * @param ClassMethod $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        if (! $node->returnType instanceof Node) {
+            return null;
+        }
+
+        if (! $this->isName($node->returnType, 'array')) {
+            return null;
+        }
+
+        $phpDocInfo = $this->phpDocInfoFactory->createFromNodeOrEmpty($node);
+
+        // return tag is already given
+        if ($phpDocInfo->getReturnTagValue() instanceof ReturnTagValueNode) {
+            return null;
+        }
+
+        $propertyFetch = $this->matchReturnLocalPropertyFetch($node);
+        if (! $propertyFetch instanceof PropertyFetch) {
+            return null;
+        }
+
+        $propertyFetchType = $this->getType($propertyFetch);
+        $propertyFetchDocTypeNode = $this->staticTypeMapper->mapPHPStanTypeToPHPStanPhpDocTypeNode($propertyFetchType);
+
+        $returnTagValueNode = new ReturnTagValueNode($propertyFetchDocTypeNode, '');
+        $phpDocInfo->addTagValueNode($returnTagValueNode);
+
+        $this->docBlockUpdater->updateRefactoredNodeWithPhpDocInfo($node);
+
+        return $node;
+    }
+
+    private function matchReturnLocalPropertyFetch(ClassMethod $classMethod): ?PropertyFetch
+    {
+        // we need exactly one statement of return
+        if ($classMethod->stmts === null || count($classMethod->stmts) !== 1) {
+            return null;
+        }
+
+        $onlyStmt = $classMethod->stmts[0];
+        if (! $onlyStmt instanceof Return_) {
+            return null;
+        }
+
+        if (! $onlyStmt->expr instanceof PropertyFetch) {
+            return null;
+        }
+
+        $propertyFetch = $onlyStmt->expr;
+        if (! $this->isName($propertyFetch->var, 'this')) {
+            return null;
+        }
+
+        return $propertyFetch;
+    }
+}
diff --git a/rules/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector.php b/rules/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector.php
new file mode 100644
index 00000000000..ddf0ce7300c
--- /dev/null
+++ b/rules/TypeDeclarationDocblocks/Rector/Class_/DocblockVarFromParamDocblockInConstructorRector.php
@@ -0,0 +1,137 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\TypeDeclarationDocblocks\Rector\Class_;
+
+use PhpParser\Node;
+use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\ClassMethod;
+use PhpParser\Node\Stmt\Property;
+use PHPStan\PhpDocParser\Ast\PhpDoc\VarTagValueNode;
+use PHPStan\Type\ArrayType;
+use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory;
+use Rector\Comments\NodeDocBlock\DocBlockUpdater;
+use Rector\Rector\AbstractRector;
+use Rector\StaticTypeMapper\StaticTypeMapper;
+use Rector\TypeDeclarationDocblocks\NodeAnalyzer\ConstructorAssignedTypeResolver;
+use Rector\ValueObject\MethodName;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @see \Rector\Tests\TypeDeclarationDocblocks\Rector\Class_\DocblockVarFromParamDocblockInConstructorRector\DocblockVarFromParamDocblockInConstructorRectorTest
+ */
+final class DocblockVarFromParamDocblockInConstructorRector extends AbstractRector
+{
+    public function __construct(
+        private readonly PhpDocInfoFactory $phpDocInfoFactory,
+        private readonly DocBlockUpdater $docBlockUpdater,
+        private readonly StaticTypeMapper $staticTypeMapper,
+        private readonly ConstructorAssignedTypeResolver $constructorAssignedTypeResolver,
+    ) {
+    }
+
+    public function getNodeTypes(): array
+    {
+        return [Class_::class];
+    }
+
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition('Add @var array docblock to a property based on @param of constructor assign', [
+            new CodeSample(
+                <<<'CODE_SAMPLE'
+class SomeClass
+{
+    private array $items;
+
+    /**
+     * @param string[] $items
+     */
+    public function __construct(array $items)
+    {
+        $this->items = $items;
+    }
+}
+CODE_SAMPLE
+                ,
+                <<<'CODE_SAMPLE'
+class SomeClass
+{
+    /**
+     * @var string[]
+     */
+    private array $items;
+
+    /**
+     * @param string[] $items
+     */
+    public function __construct(array $items)
+    {
+        $this->items = $items;
+    }
+}
+CODE_SAMPLE
+            ),
+
+        ]);
+    }
+
+    /**
+     * @param Class_ $node
+     */
+    public function refactor(Node $node): ?Node
+    {
+        $constructorClassMethod = $node->getMethod(MethodName::CONSTRUCT);
+        if (! $constructorClassMethod instanceof ClassMethod) {
+            return null;
+        }
+
+        $hasChanged = false;
+
+        foreach ($node->getProperties() as $property) {
+            if (! $this->isArrayTypedProperty($property)) {
+                continue;
+            }
+
+            $propertyPhpDocInfo = $this->phpDocInfoFactory->createFromNodeOrEmpty($property);
+
+            // @var tag already given
+            if ($propertyPhpDocInfo->getVarTagValueNode() instanceof VarTagValueNode) {
+                continue;
+            }
+
+            $propertyName = $this->getName($property);
+
+            $assignedType = $this->constructorAssignedTypeResolver->resolve($node, $propertyName);
+            if (! $assignedType instanceof ArrayType) {
+                continue;
+            }
+
+            $arrayDocTypeNode = $this->staticTypeMapper->mapPHPStanTypeToPHPStanPhpDocTypeNode($assignedType);
+
+            $returnTagValueNode = new VarTagValueNode($arrayDocTypeNode, '', '');
+            $propertyPhpDocInfo->addTagValueNode($returnTagValueNode);
+
+            $hasChanged = true;
+
+            $this->docBlockUpdater->updateRefactoredNodeWithPhpDocInfo($property);
+        }
+
+        if (! $hasChanged) {
+            return null;
+        }
+
+        return $node;
+    }
+
+    private function isArrayTypedProperty(Property $property): bool
+    {
+        if (! $property->type instanceof Node) {
+            return false;
+        }
+
+        return $this->isName($property->type, 'array');
+    }
+}
diff --git a/src/Set/ValueObject/SetList.php b/src/Set/ValueObject/SetList.php
index b6015410557..d7e17163802 100644
--- a/src/Set/ValueObject/SetList.php
+++ b/src/Set/ValueObject/SetList.php
@@ -142,6 +142,11 @@ final class SetList
      */
     public const TYPE_DECLARATION = __DIR__ . '/../../../config/set/type-declaration.php';
 
+    /**
+     * @var string
+     */
+    public const TYPE_DECLARATION_DOCBLOCKS = __DIR__ . '/../../../config/set/type-declaration-docblocks.php';
+
     /**
      * @var string
      */