diff --git a/src/InputValidator.php b/src/InputValidator.php
index 5ce18e3..0fa3e56 100644
--- a/src/InputValidator.php
+++ b/src/InputValidator.php
@@ -4,6 +4,8 @@
 
 namespace Distantmagic\Resonance;
 
+use LogicException;
+use Opis\JsonSchema\Exceptions\ParseException;
 use Swoole\Http\Request;
 
 /**
@@ -28,15 +30,28 @@ public function __construct(private JsonSchemaValidator $jsonSchemaValidator)
         $this->jsonSchema = $this->makeSchema();
     }
 
+    public function getSchema(): JsonSchema
+    {
+        return $this->jsonSchema;
+    }
+
     /**
      * @return InputValidationResult<TValidatedModel>
      */
     public function validateData(mixed $data): InputValidationResult
     {
-        /**
-         * @var JsonSchemaValidationResult<TValidatedData>
-         */
-        $jsonSchemaValidationResult = $this->jsonSchemaValidator->validate($this->jsonSchema, $data);
+        try {
+            /**
+             * @var JsonSchemaValidationResult<TValidatedData>
+             */
+            $jsonSchemaValidationResult = $this->jsonSchemaValidator->validate($this->jsonSchema, $data);
+        } catch (ParseException $parseException) {
+            throw new LogicException(sprintf(
+                'JSON schema is invalid in: "%s" "%s"',
+                $this::class,
+            ), 0, $parseException);
+        }
+
         $errors = $jsonSchemaValidationResult->errors;
 
         if (empty($errors)) {
diff --git a/src/InputValidator/FrontMatterValidator.php b/src/InputValidator/FrontMatterValidator.php
index 665f644..394cc3b 100644
--- a/src/InputValidator/FrontMatterValidator.php
+++ b/src/InputValidator/FrontMatterValidator.php
@@ -13,8 +13,8 @@
 use Generator;
 
 /**
- * @extends InputValidator<FrontMatter, array{
- *     collections: array<string|array{ name: string, next: string }>,
+ * @extends InputValidator<FrontMatter, object{
+ *     collections: array<string|object{ name: string, next: string }>,
  *     content_type: string,
  *     description: string,
  *     draft: bool,
@@ -30,18 +30,18 @@
 {
     protected function castValidatedData(mixed $data): FrontMatter
     {
-        $collections = iterator_to_array($this->normalizeDataCollections($data['collections']));
+        $collections = iterator_to_array($this->normalizeDataCollections($data->collections));
 
         return new FrontMatter(
             collections: $collections,
-            contentType: StaticPageContentType::from($data['content_type']),
-            description: trim($data['description']),
-            isDraft: $data['draft'],
-            layout: $data['layout'],
-            next: $data['next'] ?? null,
-            parent: $data['parent'] ?? null,
-            registerStylesheets: $data['register_stylesheets'],
-            title: trim($data['title']),
+            contentType: StaticPageContentType::from($data->content_type),
+            description: trim($data->description),
+            isDraft: $data->draft,
+            layout: $data->layout,
+            next: $data->next ?? null,
+            parent: $data->parent ?? null,
+            registerStylesheets: $data->register_stylesheets,
+            title: trim($data->title),
         );
     }
 
@@ -106,10 +106,8 @@ protected function makeSchema(): JsonSchema
                 'register_stylesheets' => [
                     'type' => 'array',
                     'items' => [
-                        [
-                            'type' => 'string',
-                            'minLength' => 1,
-                        ],
+                        'type' => 'string',
+                        'minLength' => 1,
                     ],
                     'default' => [],
                 ],
@@ -134,8 +132,8 @@ private function normalizeDataCollections(array $collections): Generator
                 yield new FrontMatterCollectionReference($collection, null);
             } else {
                 yield new FrontMatterCollectionReference(
-                    $collection['name'],
-                    $collection['next'],
+                    $collection->name,
+                    $collection->next,
                 );
             }
         }
diff --git a/src/InputValidator/RPCMessageValidator.php b/src/InputValidator/RPCMessageValidator.php
index fa595bc..3acf1f7 100644
--- a/src/InputValidator/RPCMessageValidator.php
+++ b/src/InputValidator/RPCMessageValidator.php
@@ -46,16 +46,13 @@ protected function makeSchema(): JsonSchema
                 [
                     'type' => 'string',
                     'enum' => $this->rpcMethodValidator->names(),
-                    'required' => true,
                 ],
                 [
-                    'required' => true,
                 ],
                 [
                     'type' => 'string',
                     'format' => 'uuid',
                     'nullable' => true,
-                    'required' => true,
                 ],
             ],
         ]);
diff --git a/src/SingletonProvider/ConfigurationProvider/StaticPageConfigurationProvider.php b/src/SingletonProvider/ConfigurationProvider/StaticPageConfigurationProvider.php
index b5f87b6..02c121c 100644
--- a/src/SingletonProvider/ConfigurationProvider/StaticPageConfigurationProvider.php
+++ b/src/SingletonProvider/ConfigurationProvider/StaticPageConfigurationProvider.php
@@ -34,27 +34,22 @@ protected function makeSchema(): JsonSchema
                 'base_url' => [
                     'type' => 'string',
                     'minLength' => 1,
-                    'required' => true,
                 ],
                 'esbuild_metafile' => [
                     'type' => 'string',
                     'minLength' => 1,
-                    'required' => true,
                 ],
                 'input_directory' => [
                     'type' => 'string',
                     'minLength' => 1,
-                    'required' => true,
                 ],
                 'output_directory' => [
                     'type' => 'string',
                     'minLength' => 1,
-                    'required' => true,
                 ],
                 'sitemap' => [
                     'type' => 'string',
                     'minLength' => 1,
-                    'required' => true,
                 ],
             ],
             'required' => ['base_url', 'esbuild_metafile', 'input_directory', 'output_directory', 'sitemap'],