diff --git a/packages/validation/src/Exceptions/ValidationFailed.php b/packages/validation/src/Exceptions/ValidationFailed.php
index b9b7e25cf..33a8fe003 100644
--- a/packages/validation/src/Exceptions/ValidationFailed.php
+++ b/packages/validation/src/Exceptions/ValidationFailed.php
@@ -5,10 +5,11 @@
 namespace Tempest\Validation\Exceptions;
 
 use Exception;
+use Tempest\Core\ProvidesContext;
 use Tempest\Validation\FailingRule;
 use Tempest\Validation\Internal\MessageRule;
 
-final class ValidationFailed extends Exception
+final class ValidationFailed extends Exception implements ProvidesContext
 {
     /**
      * @template TKey of array-key
@@ -23,10 +24,23 @@ public function __construct(
         private(set) array $errorMessages = [],
         private(set) ?string $targetClass = null,
     ) {
-        parent::__construct(match (true) {
+        $message = match (true) {
             is_null($subject) => 'Validation failed.',
             default => sprintf('Validation failed for %s.', is_object($subject) ? $subject::class : $subject),
-        });
+        };
+
+        foreach ($errorMessages as $field => $messages) {
+            $message .= sprintf('%s- %s: %s', PHP_EOL, $field, implode('; ', $messages));
+        }
+
+        parent::__construct($message);
+    }
+
+    public function context(): iterable
+    {
+        return array_filter([
+            'errors' => $this->errorMessages,
+        ]);
     }
 
     /**
diff --git a/packages/validation/tests/ValidatorTest.php b/packages/validation/tests/ValidatorTest.php
index 130d314ce..febdf4515 100644
--- a/packages/validation/tests/ValidatorTest.php
+++ b/packages/validation/tests/ValidatorTest.php
@@ -133,6 +133,43 @@ public function test_validation_failed_can_be_created_from_messages(): void
         $this->assertSame('Email domain is not allowed', $this->validator->getErrorMessage($validationFailed->failingRules['email'][1]));
     }
 
+    public function test_validation_failed_message_includes_error_messages(): void
+    {
+        $validationFailed = ValidationFailed::withMessages([
+            'credential' => 'Passkey not valid',
+            'email' => [
+                'Email is already taken',
+                'Email domain is not allowed',
+            ],
+        ]);
+
+        $this->assertSame(
+            implode(PHP_EOL, [
+                'Validation failed.',
+                '- credential: Passkey not valid',
+                '- email: Email is already taken; Email domain is not allowed',
+            ]),
+            $validationFailed->getMessage(),
+        );
+    }
+
+    public function test_validation_failed_message_omits_error_messages_when_empty(): void
+    {
+        $validationFailed = new ValidationFailed(failingRules: []);
+
+        $this->assertSame('Validation failed.', $validationFailed->getMessage());
+    }
+
+    public function test_validation_failed_provides_error_messages_as_context(): void
+    {
+        $validationFailed = ValidationFailed::withMessages([
+            'email' => 'Email is already taken',
+        ]);
+
+        $this->assertSame(['errors' => ['email' => ['Email is already taken']]], $validationFailed->context());
+        $this->assertSame([], new ValidationFailed(failingRules: [])->context());
+    }
+
     public function test_closure_passes_with_null_response(): void
     {
         $validator = $this->validator;