1) Remove model validation because we validate at the command level.

2) Option to publish schema in one api call.

src/Squidex.Domain.Apps.Entities/Apps/Templates/CreateBlogCommandMiddleware.cs

@@ -105,6 +105,7 @@ namespace Squidex.Domain.Apps.Entities.Apps.Templates
             var command = new CreateSchema
             {
                 Name = "posts",
+                Publish = true,
                 Properties = new SchemaProperties
                 {
                     Label = "Posts"
@@ -136,8 +137,9 @@ namespace Squidex.Domain.Apps.Entities.Apps.Templates
                                 IsListField = true,
                                 MaxLength = 100,
                                 MinLength = 0,
-                                Label = "Slug"
-                            }
+                                Label = "Slug (Autogenerated)"
+                            },
+                            IsDisabled = true
                         },
                         new CreateSchemaField
                         {
@@ -158,7 +160,6 @@ namespace Squidex.Domain.Apps.Entities.Apps.Templates
 
             var schemaId = new NamedId<Guid>(command.SchemaId, command.Name);
 
-            await publishAsync(new PublishSchema { SchemaId = schemaId });
             await publishAsync(new ConfigureScripts
             {
                 SchemaId = schemaId,
@@ -205,8 +206,9 @@ namespace Squidex.Domain.Apps.Entities.Apps.Templates
                                 IsListField = true,
                                 MaxLength = 100,
                                 MinLength = 0,
-                                Label = "Slug"
-                            }
+                                Label = "Slug (Autogenerated)"
+                            },
+                            IsDisabled = true
                         },
                         new CreateSchemaField
                         {
@@ -227,7 +229,6 @@ namespace Squidex.Domain.Apps.Entities.Apps.Templates
 
             var schemaId = new NamedId<Guid>(command.SchemaId, command.Name);
 
-            await publishAsync(new PublishSchema { SchemaId = schemaId });
             await publishAsync(new ConfigureScripts
             {
                 SchemaId = schemaId,

src/Squidex.Domain.Apps.Entities/Schemas/Commands/CreateSchema.cs

@@ -20,6 +20,8 @@ namespace Squidex.Domain.Apps.Entities.Schemas.Commands
 
         public SchemaProperties Properties { get; set; }
 
+        public bool Publish { get; set; }
+
         public string Name { get; set; }
 
         Guid IAggregateCommand.AggregateId

src/Squidex.Domain.Apps.Entities/Schemas/State/SchemaState.cs

@@ -70,6 +70,11 @@ namespace Squidex.Domain.Apps.Entities.Schemas.State
                 schema = schema.Update(@event.Properties);
             }
 
+            if (@event.Publish)
+            {
+                schema = schema.Publish();
+            }
+
             if (@event.Fields != null)
             {
                 foreach (var eventField in @event.Fields)

src/Squidex.Domain.Apps.Events/Schemas/SchemaCreated.cs

@@ -19,5 +19,7 @@ namespace Squidex.Domain.Apps.Events.Schemas
         public SchemaFields Fields { get; set; }
 
         public SchemaProperties Properties { get; set; }
+
+        public bool Publish { get; set; }
     }
 }

src/Squidex/Areas/Api/Controllers/Schemas/Models/CreateSchemaDto.cs

@@ -28,5 +28,10 @@ namespace Squidex.Areas.Api.Controllers.Schemas.Models
         /// Optional fields.
         /// </summary>
         public List<CreateSchemaFieldDto> Fields { get; set; }
+
+        /// <summary>
+        /// Set it to true to autopublish the schema.
+        /// </summary>
+        public bool Publish { get; set; }
     }
 }

src/Squidex/Pipeline/ApiExceptionFilterAttribute.cs

@@ -62,28 +62,7 @@ namespace Squidex.Pipeline
             error.StatusCode = statusCode;
 
             return new ObjectResult(error) { StatusCode = statusCode };
-        }
-
-        public override void OnActionExecuting(ActionExecutingContext context)
-        {
-            if (!context.ModelState.IsValid)
-            {
-                var errors = new List<ValidationError>();
-
-                foreach (var m in context.ModelState)
-                {
-                    foreach (var e in m.Value.Errors)
-                    {
-                        if (!string.IsNullOrWhiteSpace(e.ErrorMessage))
-                        {
-                            errors.Add(new ValidationError(e.ErrorMessage, m.Key));
-                        }
-                    }
-                }
-
-                throw new ValidationException("The model is not valid.", errors);
-            }
-        }
+        }+
 
         public void OnException(ExceptionContext context)
         {