fix: replace json schema with factory instance

Author: Katalam

mcp.md

@@ -201,12 +201,12 @@ class CurrentWeatherTool extends Tool
     /**
      * Get the tool's input schema.
      *
-     * @return array<string, \Illuminate\JsonSchema\JsonSchema>
+     * @return array<string, JsonSchema>
      */
     public function schema(JsonSchema $schema): array
     {
         return [
-            'location' => $schema::string()
+            'location' => $schema->string()
                 ->description('The location to get the weather for.')
                 ->required(),
         ];
@@ -303,16 +303,16 @@ class CurrentWeatherTool extends Tool
     /**
      * Get the tool's input schema.
      *
-     * @return array<string, JsonSchema>
+     * @return array<string, \Illuminate\JsonSchema\JsonSchema>
      */
     public function schema(JsonSchema $schema): array
     {
         return [
-            'location' => $schema::string()
+            'location' => $schema->string()
                 ->description('The location to get the weather for.')
                 ->required(),
 
-            'units' => $schema::array()
+            'units' => $schema->array()
                 ->enum(['celsius', 'fahrenheit'])
                 ->description('The temperature units to use.')
                 ->default('celsius'),