diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b70d5bb..88c088fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,9 +2,11 @@
 
 ## Not released yet
 
+* Add a option `ignoreValidationErrors` on `AsTask` attribute to ignore
+  parameters & options validation errors
+* Add a way to merge an application `box.json` config file used by `castor:repack`command
 * Deprecate `Context::withPath()` in favor of `Context::withCurrentDirectory()`
 * Deprecate `path` argument in `capture()`, `exit_code()`, `run()`, `with()` in favor of `currentDirectory`
-* Add a way to merge an application `box.json` config file used by `castor:repack`command
 
 ## 0.14.0 (2024-03-08)
 
diff --git a/bin/castor b/bin/castor
index 873b8d6f..9512426e 100755
--- a/bin/castor
+++ b/bin/castor
@@ -2,6 +2,7 @@
 <?php
 
 use Castor\Console\ApplicationFactory;
+use Castor\Console\Input\Input;
 
 if (file_exists($file = __DIR__ . '/../vendor/autoload.php')) {
     require $file;
@@ -11,4 +12,4 @@ if (file_exists($file = __DIR__ . '/../vendor/autoload.php')) {
     throw new \RuntimeException('Unable to find autoloader.');
 }
 
-ApplicationFactory::create()->run();
+ApplicationFactory::create()->run(new Input());
diff --git a/bin/generate-tests.php b/bin/generate-tests.php
index af439573..db6c9065 100755
--- a/bin/generate-tests.php
+++ b/bin/generate-tests.php
@@ -116,19 +116,21 @@
     add_test([], $class, '{{ base }}/tests/Examples/fixtures/broken/' . $dir->getRelativePath());
 }
 
-add_test(['parallel:sleep', '--sleep5', '0', '--sleep7', '0', '--sleep10', '0'], 'ParallelSleepTest');
-add_test(['context:context', '--context', 'run'], 'ContextContextRunTest');
+add_test(['args:passthru', 'a', 'b', '--no', '--foo', 'bar', '-x'], 'ArgPassthruExpanded');
+add_test(['context:context', '--context', 'dynamic'], 'ContextContextDynamicTest');
 add_test(['context:context', '--context', 'my_default', '-v'], 'ContextContextMyDefaultTest');
 add_test(['context:context', '--context', 'no_no_exist'], 'ContextContextDoNotExistTest');
-add_test(['context:context', '--context', 'production'], 'ContextContextProductionTest');
 add_test(['context:context', '--context', 'path'], 'ContextContextPathTest');
-add_test(['context:context', '--context', 'dynamic'], 'ContextContextDynamicTest');
+add_test(['context:context', '--context', 'production'], 'ContextContextProductionTest');
+add_test(['context:context', '--context', 'run'], 'ContextContextRunTest');
 add_test(['enabled:hello', '--context', 'production'], 'EnabledInProduction');
-add_test([], 'NewProjectTest', '/tmp');
+add_test(['parallel:sleep', '--sleep5', '0', '--sleep7', '0', '--sleep10', '0'], 'ParallelSleepTest');
+// In /tmp
+add_test(['completion', 'bash'], 'NoConfigCompletionTest', '/tmp');
 add_test(['init'], 'NewProjectInitTest', '/tmp');
-add_test(['unknown:task'], 'NoConfigUnknownTest', '/tmp');
 add_test(['unknown:task', 'toto', '--foo', 1], 'NoConfigUnknownWithArgsTest', '/tmp');
-add_test(['completion', 'bash'], 'NoConfigCompletionTest', '/tmp');
+add_test(['unknown:task'], 'NoConfigUnknownTest', '/tmp');
+add_test([], 'NewProjectTest', '/tmp');
 
 function add_test(array $args, string $class, ?string $cwd = null)
 {
diff --git a/examples/args.php b/examples/args.php
index f5827c0b..e9c63d75 100644
--- a/examples/args.php
+++ b/examples/args.php
@@ -4,6 +4,7 @@
 
 use Castor\Attribute\AsArgument;
 use Castor\Attribute\AsOption;
+use Castor\Attribute\AsRawTokens;
 use Castor\Attribute\AsTask;
 
 use function Castor\run;
@@ -32,3 +33,12 @@ function another_args(
 ): void {
     run(['echo', $required, $test2]);
 }
+
+/**
+ * @param string[] $rawTokens
+ */
+#[AsTask(description: 'Dumps all arguments and options, without configuration nor validation', ignoreValidationErrors: true)]
+function passthru(#[AsRawTokens] array $rawTokens): void
+{
+    var_dump($rawTokens);
+}
diff --git a/src/Attribute/AsRawTokens.php b/src/Attribute/AsRawTokens.php
new file mode 100644
index 00000000..3071806e
--- /dev/null
+++ b/src/Attribute/AsRawTokens.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Castor\Attribute;
+
+#[\Attribute(\Attribute::TARGET_PARAMETER)]
+class AsRawTokens
+{
+}
diff --git a/src/Attribute/AsTask.php b/src/Attribute/AsTask.php
index e681d0a1..f745fb75 100644
--- a/src/Attribute/AsTask.php
+++ b/src/Attribute/AsTask.php
@@ -16,6 +16,7 @@ public function __construct(
         public array $aliases = [],
         public array $onSignals = [],
         public string|bool $enabled = true,
+        public bool $ignoreValidationErrors = false,
     ) {
     }
 }
diff --git a/src/Console/Application.php b/src/Console/Application.php
index 4aad94d5..618ec635 100644
--- a/src/Console/Application.php
+++ b/src/Console/Application.php
@@ -4,6 +4,7 @@
 
 use Castor\Console\Command\SymfonyTaskCommand;
 use Castor\Console\Command\TaskCommand;
+use Castor\Console\Input\Input;
 use Castor\Context;
 use Castor\ContextDescriptor;
 use Castor\ContextGeneratorDescriptor;
@@ -46,7 +47,7 @@ class Application extends SymfonyApplication
     public const VERSION = 'v0.14.0';
 
     // "Current" objects availables at some point of the lifecycle
-    private InputInterface $input;
+    private Input $input;
     private SectionOutput $sectionOutput;
     private SymfonyStyle $symfonyStyle;
     private Command $command;
@@ -94,7 +95,7 @@ public function __construct(
         GlobalHelper::setApplication($this);
     }
 
-    public function getInput(): InputInterface
+    public function getInput(): Input
     {
         return $this->input ?? throw new \LogicException('Input not available yet.');
     }
@@ -126,7 +127,9 @@ public function getCommand(bool $allowNull = false): ?Command
     // is registered
     public function doRun(InputInterface $input, OutputInterface $output): int
     {
-        $this->input = $input;
+        if ($input instanceof Input) {
+            $this->input = $input;
+        }
         $this->sectionOutput = new SectionOutput($output);
         $this->symfonyStyle = new SymfonyStyle($input, $output);
         $this->logger->pushHandler(new ConsoleHandler($output));
diff --git a/src/Console/Command/SymfonyTaskCommand.php b/src/Console/Command/SymfonyTaskCommand.php
index 75b1c18a..bf064d9f 100644
--- a/src/Console/Command/SymfonyTaskCommand.php
+++ b/src/Console/Command/SymfonyTaskCommand.php
@@ -3,6 +3,7 @@
 namespace Castor\Console\Command;
 
 use Castor\Attribute\AsSymfonyTask;
+use Castor\Console\Input\Input;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
@@ -67,10 +68,12 @@ protected function configure(): void
         }
     }
 
+    /**
+     * @param Input $input
+     */
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
-        $r = new \ReflectionProperty($input, 'tokens');
-        $extra = array_filter($r->getValue($input), fn ($item) => $item !== $this->taskAttribute->name);
+        $extra = array_filter($input->getRawTokens(), fn ($item) => $item !== $this->taskAttribute->name);
 
         $p = new Process([...$this->taskAttribute->console, $this->taskAttribute->originalName, ...$extra]);
         $p->run(fn ($type, $bytes) => print ($bytes));
diff --git a/src/Console/Command/TaskCommand.php b/src/Console/Command/TaskCommand.php
index 54d415a6..a5ec276f 100644
--- a/src/Console/Command/TaskCommand.php
+++ b/src/Console/Command/TaskCommand.php
@@ -5,8 +5,10 @@
 use Castor\Attribute\AsArgument;
 use Castor\Attribute\AsCommandArgument;
 use Castor\Attribute\AsOption;
+use Castor\Attribute\AsRawTokens;
 use Castor\Attribute\AsTask;
 use Castor\Console\Application;
+use Castor\Console\Input\Input;
 use Castor\Event\AfterExecuteTaskEvent;
 use Castor\Event\BeforeExecuteTaskEvent;
 use Castor\EventDispatcher;
@@ -76,7 +78,15 @@ public function isEnabled(): bool
 
     protected function configure(): void
     {
+        if ($this->taskAttribute->ignoreValidationErrors) {
+            $this->ignoreValidationErrors();
+        }
+
         foreach ($this->function->getParameters() as $parameter) {
+            if ($parameter->getAttributes(AsRawTokens::class, \ReflectionAttribute::IS_INSTANCEOF)[0] ?? null) {
+                continue;
+            }
+
             $taskArgumentAttribute = $parameter->getAttributes(AsCommandArgument::class, \ReflectionAttribute::IS_INSTANCEOF)[0] ?? null;
 
             if ($taskArgumentAttribute) {
@@ -140,11 +150,33 @@ protected function configure(): void
         }
     }
 
+    /**
+     * @param Input $input
+     */
     protected function execute(InputInterface $input, OutputInterface $output): int
     {
         $args = [];
 
         foreach ($this->function->getParameters() as $parameter) {
+            if ($parameter->getAttributes(AsRawTokens::class, \ReflectionAttribute::IS_INSTANCEOF)[0] ?? null) {
+                $parameters = [];
+                $keep = false;
+                foreach ($input->getRawTokens() as $value) {
+                    if ($value === $input->getFirstArgument()) {
+                        $keep = true;
+
+                        continue;
+                    }
+                    if ($keep) {
+                        $parameters[] = $value;
+                    }
+                }
+
+                $args[] = $parameters;
+
+                continue;
+            }
+
             $name = $this->getParameterName($parameter);
             if ($input->hasArgument($name)) {
                 $args[] = $input->getArgument($name);
diff --git a/src/Console/Input/Input.php b/src/Console/Input/Input.php
new file mode 100644
index 00000000..85efc40c
--- /dev/null
+++ b/src/Console/Input/Input.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace Castor\Console\Input;
+
+use Symfony\Component\Console\Input\ArgvInput;
+
+class Input extends ArgvInput
+{
+    /**
+     * @return list<string>
+     */
+    public function getRawTokens(): array
+    {
+        // @phpstan-ignore-next-line
+        return (fn () => $this->tokens)->bindTo($this, ArgvInput::class)();
+    }
+}
diff --git a/src/GlobalHelper.php b/src/GlobalHelper.php
index c6a210ab..11aed709 100644
--- a/src/GlobalHelper.php
+++ b/src/GlobalHelper.php
@@ -3,10 +3,10 @@
 namespace Castor;
 
 use Castor\Console\Application;
+use Castor\Console\Input\Input;
 use Monolog\Logger;
 use Psr\Cache\CacheItemPoolInterface;
 use Symfony\Component\Console\Command\Command;
-use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Symfony\Component\Filesystem\Filesystem;
@@ -57,7 +57,7 @@ public static function getLogger(): Logger
         return self::getApplication()->logger;
     }
 
-    public static function getInput(): InputInterface
+    public static function getInput(): Input
     {
         return self::getApplication()->getInput();
     }
diff --git a/src/functions.php b/src/functions.php
index b3407765..c303f678 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -4,6 +4,7 @@
 
 use Castor\Attribute\AsContextGenerator;
 use Castor\Console\Application;
+use Castor\Console\Input\Input;
 use Castor\Exception\ExecutableNotFoundException;
 use Castor\Exception\MinimumVersionRequirementNotMetException;
 use Castor\Exception\WaitFor\ExitedBeforeTimeoutException;
@@ -631,7 +632,7 @@ function get_application(): Application
     return app();
 }
 
-function input(): InputInterface
+function input(): Input
 {
     return GlobalHelper::getInput();
 }
diff --git a/tests/Examples/Generated/ArgPassthruExpanded.php b/tests/Examples/Generated/ArgPassthruExpanded.php
new file mode 100644
index 00000000..05f989f2
--- /dev/null
+++ b/tests/Examples/Generated/ArgPassthruExpanded.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Castor\Tests\Examples\Generated;
+
+use Castor\Tests\TaskTestCase;
+
+class ArgPassthruExpanded extends TaskTestCase
+{
+    // args:passthru
+    public function test(): void
+    {
+        $process = $this->runTask(['args:passthru', 'a', 'b', '--no', '--foo', 'bar', '-x']);
+
+        $this->assertSame(0, $process->getExitCode());
+        $this->assertStringEqualsFile(__FILE__ . '.output.txt', $process->getOutput());
+        if (file_exists(__FILE__ . '.err.txt')) {
+            $this->assertStringEqualsFile(__FILE__ . '.err.txt', $process->getErrorOutput());
+        } else {
+            $this->assertSame('', $process->getErrorOutput());
+        }
+    }
+}
diff --git a/tests/Examples/Generated/ArgPassthruExpanded.php.output.txt b/tests/Examples/Generated/ArgPassthruExpanded.php.output.txt
new file mode 100644
index 00000000..01aefae4
--- /dev/null
+++ b/tests/Examples/Generated/ArgPassthruExpanded.php.output.txt
@@ -0,0 +1,14 @@
+array(6) {
+  [0]=>
+  string(1) "a"
+  [1]=>
+  string(1) "b"
+  [2]=>
+  string(4) "--no"
+  [3]=>
+  string(5) "--foo"
+  [4]=>
+  string(3) "bar"
+  [5]=>
+  string(2) "-x"
+}
diff --git a/tests/Examples/Generated/ArgsPassthruTest.php b/tests/Examples/Generated/ArgsPassthruTest.php
new file mode 100644
index 00000000..3f6b2d02
--- /dev/null
+++ b/tests/Examples/Generated/ArgsPassthruTest.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Castor\Tests\Examples\Generated;
+
+use Castor\Tests\TaskTestCase;
+
+class ArgsPassthruTest extends TaskTestCase
+{
+    // args:passthru
+    public function test(): void
+    {
+        $process = $this->runTask(['args:passthru']);
+
+        $this->assertSame(0, $process->getExitCode());
+        $this->assertStringEqualsFile(__FILE__ . '.output.txt', $process->getOutput());
+        if (file_exists(__FILE__ . '.err.txt')) {
+            $this->assertStringEqualsFile(__FILE__ . '.err.txt', $process->getErrorOutput());
+        } else {
+            $this->assertSame('', $process->getErrorOutput());
+        }
+    }
+}
diff --git a/tests/Examples/Generated/ArgsPassthruTest.php.output.txt b/tests/Examples/Generated/ArgsPassthruTest.php.output.txt
new file mode 100644
index 00000000..63a30c0d
--- /dev/null
+++ b/tests/Examples/Generated/ArgsPassthruTest.php.output.txt
@@ -0,0 +1,2 @@
+array(0) {
+}
diff --git a/tests/Examples/Generated/ListTest.php.output.txt b/tests/Examples/Generated/ListTest.php.output.txt
index 8155299e..269a7c83 100644
--- a/tests/Examples/Generated/ListTest.php.output.txt
+++ b/tests/Examples/Generated/ListTest.php.output.txt
@@ -6,6 +6,7 @@ list                                                              List commands
 no-namespace                                                      Task without a namespace
 args:another-args                                                 Dumps all arguments and options, without configuration
 args:args                                                         Dumps all arguments and options, with custom configuration
+args:passthru                                                     Dumps all arguments and options, without configuration not validation
 bar:bar                                                           Prints bar, but also executes foo
 cache:complex                                                     Cache with usage of CacheItemInterface
 cache:simple                                                      Cache a simple call