diff --git a/src/core/src/Database/Eloquent/Casts/AsArrayObject.php b/src/core/src/Database/Eloquent/Casts/AsArrayObject.php
new file mode 100644
index 00000000..8c4d1329
--- /dev/null
+++ b/src/core/src/Database/Eloquent/Casts/AsArrayObject.php
@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Hypervel\Database\Eloquent\Casts;
+
+use ArrayObject;
+use Hyperf\Contract\CastsAttributes;
+use Hypervel\Foundation\Http\Contracts\Castable;
+
+class AsArrayObject implements Castable
+{
+    /**
+     * Get the caster class to use when casting from / to this cast target.
+     *
+     * @return \Hyperf\Contract\CastsAttributes<ArrayObject<array-key, mixed>, iterable>
+     */
+    public static function castUsing(array $arguments = []): CastsAttributes
+    {
+        return new class implements CastsAttributes {
+            public function get($model, $key, $value, $attributes)
+            {
+                if (! isset($attributes[$key])) {
+                    return;
+                }
+
+                $data = Json::decode($attributes[$key]);
+
+                return is_array($data) ? new ArrayObject($data, ArrayObject::ARRAY_AS_PROPS) : null;
+            }
+
+            public function set($model, $key, $value, $attributes)
+            {
+                return [$key => Json::encode($value)];
+            }
+
+            public function serialize($model, string $key, $value, array $attributes)
+            {
+                return $value->getArrayCopy();
+            }
+        };
+    }
+}
diff --git a/src/core/src/Database/Eloquent/Casts/AsCollection.php b/src/core/src/Database/Eloquent/Casts/AsCollection.php
new file mode 100644
index 00000000..41ca1a4c
--- /dev/null
+++ b/src/core/src/Database/Eloquent/Casts/AsCollection.php
@@ -0,0 +1,94 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Hypervel\Database\Eloquent\Casts;
+
+use Hyperf\Contract\CastsAttributes;
+use Hypervel\Foundation\Http\Contracts\Castable;
+use Hypervel\Support\Collection;
+use Hypervel\Support\Str;
+use InvalidArgumentException;
+
+class AsCollection implements Castable
+{
+    /**
+     * Get the caster class to use when casting from / to this cast target.
+     *
+     * @return \Hyperf\Contract\CastsAttributes<\Hypervel\Support\Collection<array-key, mixed>, iterable>
+     */
+    public static function castUsing(array $arguments = []): CastsAttributes
+    {
+        return new class($arguments) implements CastsAttributes {
+            public function __construct(protected array $arguments)
+            {
+                $this->arguments = array_pad(array_values($this->arguments), 2, '');
+            }
+
+            public function get($model, $key, $value, $attributes)
+            {
+                if (! isset($attributes[$key])) {
+                    return;
+                }
+
+                $data = Json::decode($attributes[$key]);
+
+                $collectionClass = empty($this->arguments[0]) ? Collection::class : $this->arguments[0];
+
+                if (! is_a($collectionClass, Collection::class, true)) {
+                    throw new InvalidArgumentException('The provided class must extend [' . Collection::class . '].');
+                }
+
+                if (! is_array($data)) {
+                    return null;
+                }
+
+                $instance = new $collectionClass($data);
+
+                if (! isset($this->arguments[1]) || ! $this->arguments[1]) {
+                    return $instance;
+                }
+
+                if (is_string($this->arguments[1])) {
+                    $this->arguments[1] = Str::parseCallback($this->arguments[1]);
+                }
+
+                return is_callable($this->arguments[1])
+                    ? $instance->map($this->arguments[1])
+                    : $instance->mapInto($this->arguments[1][0]);
+            }
+
+            public function set($model, $key, $value, $attributes)
+            {
+                return [$key => Json::encode($value)];
+            }
+        };
+    }
+
+    /**
+     * Specify the type of object each item in the collection should be mapped to.
+     *
+     * @param array{class-string, string}|class-string $map
+     * @return string
+     */
+    public static function of($map)
+    {
+        return static::using('', $map);
+    }
+
+    /**
+     * Specify the collection type for the cast.
+     *
+     * @param class-string $class
+     * @param array{class-string, string}|class-string $map
+     * @return string
+     */
+    public static function using($class, $map = null)
+    {
+        if (is_array($map) && is_callable($map)) {
+            $map = $map[0] . '@' . $map[1];
+        }
+
+        return static::class . ':' . implode(',', [$class, $map]);
+    }
+}
diff --git a/src/core/src/Database/Eloquent/Casts/Attribute.php b/src/core/src/Database/Eloquent/Casts/Attribute.php
new file mode 100644
index 00000000..9e620b1a
--- /dev/null
+++ b/src/core/src/Database/Eloquent/Casts/Attribute.php
@@ -0,0 +1,97 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Hypervel\Database\Eloquent\Casts;
+
+class Attribute
+{
+    /**
+     * The attribute accessor.
+     *
+     * @var null|callable
+     */
+    public $get;
+
+    /**
+     * The attribute mutator.
+     *
+     * @var null|callable
+     */
+    public $set;
+
+    /**
+     * Indicates if caching is enabled for this attribute.
+     *
+     * @var bool
+     */
+    public $withCaching = false;
+
+    /**
+     * Indicates if caching of objects is enabled for this attribute.
+     *
+     * @var bool
+     */
+    public $withObjectCaching = true;
+
+    /**
+     * Create a new attribute accessor / mutator.
+     */
+    public function __construct(?callable $get = null, ?callable $set = null)
+    {
+        $this->get = $get;
+        $this->set = $set;
+    }
+
+    /**
+     * Create a new attribute accessor / mutator.
+     */
+    public static function make(?callable $get = null, ?callable $set = null): static
+    {
+        return new static($get, $set);
+    }
+
+    /**
+     * Create a new attribute accessor.
+     *
+     * @return static
+     */
+    public static function get(callable $get)
+    {
+        return new static($get);
+    }
+
+    /**
+     * Create a new attribute mutator.
+     *
+     * @return static
+     */
+    public static function set(callable $set)
+    {
+        return new static(null, $set);
+    }
+
+    /**
+     * Disable object caching for the attribute.
+     *
+     * @return static
+     */
+    public function withoutObjectCaching()
+    {
+        $this->withObjectCaching = false;
+
+        return $this;
+    }
+
+    /**
+     * Enable caching for the attribute.
+     *
+     * @return static
+     */
+    public function shouldCache()
+    {
+        $this->withCaching = true;
+
+        return $this;
+    }
+}
diff --git a/src/core/src/Database/Eloquent/Casts/Json.php b/src/core/src/Database/Eloquent/Casts/Json.php
new file mode 100644
index 00000000..cf8129f9
--- /dev/null
+++ b/src/core/src/Database/Eloquent/Casts/Json.php
@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Hypervel\Database\Eloquent\Casts;
+
+class Json
+{
+    /**
+     * The custom JSON encoder.
+     *
+     * @var null|callable
+     */
+    protected static $encoder;
+
+    /**
+     * The custom JSON decoder.
+     *
+     * @var null|callable
+     */
+    protected static $decoder;
+
+    /**
+     * Encode the given value.
+     */
+    public static function encode(mixed $value, int $flags = 0): mixed
+    {
+        return isset(static::$encoder)
+            ? (static::$encoder)($value, $flags)
+            : json_encode($value, $flags);
+    }
+
+    /**
+     * Decode the given value.
+     */
+    public static function decode(mixed $value, ?bool $associative = true): mixed
+    {
+        return isset(static::$decoder)
+            ? (static::$decoder)($value, $associative)
+            : json_decode($value, $associative);
+    }
+
+    /**
+     * Encode all values using the given callable.
+     */
+    public static function encodeUsing(?callable $encoder): void
+    {
+        static::$encoder = $encoder;
+    }
+
+    /**
+     * Decode all values using the given callable.
+     */
+    public static function decodeUsing(?callable $decoder): void
+    {
+        static::$decoder = $decoder;
+    }
+}
diff --git a/src/foundation/src/Http/Contracts/Castable.php b/src/foundation/src/Http/Contracts/Castable.php
index ea73b5da..8a4254aa 100644
--- a/src/foundation/src/Http/Contracts/Castable.php
+++ b/src/foundation/src/Http/Contracts/Castable.php
@@ -4,10 +4,12 @@
 
 namespace Hypervel\Foundation\Http\Contracts;
 
+use Hyperf\Contract\CastsAttributes;
+
 interface Castable
 {
     /**
      * Get the name of the caster class to use when casting from / to this cast target.
      */
-    public static function castUsing(array $arguments = []): CastInputs|string;
+    public static function castUsing(array $arguments = []): CastInputs|CastsAttributes|string;
 }