diff --git a/Kyoo.Common/Kyoo.Common.csproj b/Kyoo.Common/Kyoo.Common.csproj
index 904c40f5..2bf5d69c 100644
--- a/Kyoo.Common/Kyoo.Common.csproj
+++ b/Kyoo.Common/Kyoo.Common.csproj
@@ -11,7 +11,7 @@
 		<Company>SDG</Company>
 		<PackageLicenseExpression>GPL-3.0-or-later</PackageLicenseExpression>
 		<PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
-		<PackageVersion>1.0.18</PackageVersion>
+		<PackageVersion>1.0.19</PackageVersion>
 	</PropertyGroup>
 
 	<ItemGroup>
diff --git a/Kyoo.Common/Models/MetadataID.cs b/Kyoo.Common/Models/MetadataID.cs
index 6095c640..b1bd7a72 100644
--- a/Kyoo.Common/Models/MetadataID.cs
+++ b/Kyoo.Common/Models/MetadataID.cs
@@ -1,22 +1,24 @@
+using Newtonsoft.Json;
+
 namespace Kyoo.Models
 {
 	public class MetadataID
 	{
-		public long ID { get; set; }
-		public long ProviderID { get; set; }
+		[JsonIgnore] public long ID { get; set; }
+		[JsonIgnore] public long ProviderID { get; set; }
 		public virtual ProviderID Provider {get; set; }
 		
-		public long? ShowID { get; set; } 
-		public virtual Show Show { get; set; }
+		[JsonIgnore] public long? ShowID { get; set; } 
+		[JsonIgnore] public virtual Show Show { get; set; }
 		
-		public long? EpisodeID { get; set; } 
-		public virtual Episode Episode { get; set; }
+		[JsonIgnore] public long? EpisodeID { get; set; } 
+		[JsonIgnore] public virtual Episode Episode { get; set; }
 		
-		public long? SeasonID { get; set; } 
-		public virtual Season Season { get; set; }
+		[JsonIgnore] public long? SeasonID { get; set; } 
+		[JsonIgnore] public virtual Season Season { get; set; }
 		
-		public long? PeopleID { get; set; } 
-		public virtual People People { get; set; }
+		[JsonIgnore] public long? PeopleID { get; set; } 
+		[JsonIgnore] public virtual People People { get; set; }
 		
 		public string DataID { get; set; }
 		public string Link { get; set; }
diff --git a/Kyoo.Common/Models/ProviderID.cs b/Kyoo.Common/Models/ProviderID.cs
index 53a02d82..fb90f648 100644
--- a/Kyoo.Common/Models/ProviderID.cs
+++ b/Kyoo.Common/Models/ProviderID.cs
@@ -1,8 +1,10 @@
+using Newtonsoft.Json;
+
 namespace Kyoo.Models
 {
 	public class ProviderID
 	{
-		public long ID { get; set; }
+		[JsonIgnore] public long ID { get; set; }
 		public string Name { get; set; }
 		public string Logo { get; set; }
 
diff --git a/Kyoo.Common/Models/ProviderLink.cs b/Kyoo.Common/Models/ProviderLink.cs
index ce98b00c..6c14d955 100644
--- a/Kyoo.Common/Models/ProviderLink.cs
+++ b/Kyoo.Common/Models/ProviderLink.cs
@@ -1,16 +1,19 @@
+using Newtonsoft.Json;
+
 namespace Kyoo.Models
 {
 	public class ProviderLink
 	{
-		public long ID { get; set; }
-		public long ProviderID { get; set; }
-		public virtual ProviderID Provider { get; set; }
-		public long? ShowID { get; set; }
-		public virtual Show Show { get; set; }
-		public long? LibraryID { get; set; }
-		public virtual Library Library { get; set; }
+		[JsonIgnore] public long ID { get; set; }
+		[JsonIgnore] public long ProviderID { get; set; }
+		[JsonIgnore] public virtual ProviderID Provider { get; set; }
+		[JsonIgnore] public long? ShowID { get; set; }
+		[JsonIgnore] public virtual Show Show { get; set; }
+		[JsonIgnore] public long? LibraryID { get; set; }
+		[JsonIgnore] public virtual Library Library { get; set; }
 
 		public string Name => Provider.Name;
+		public string Logo => Provider.Logo;
 		
 		public ProviderLink() { }
 	}
diff --git a/Kyoo.Common/Models/Show.cs b/Kyoo.Common/Models/Show.cs
index bd884119..79e59756 100644
--- a/Kyoo.Common/Models/Show.cs
+++ b/Kyoo.Common/Models/Show.cs
@@ -102,7 +102,7 @@ namespace Kyoo.Models
 
 		public string GetID(string provider)
 		{
-			return ExternalIDs.FirstOrDefault(x => x.Provider.Name == provider)?.DataID;
+			return ExternalIDs?.FirstOrDefault(x => x.Provider.Name == provider)?.DataID;
 		}
 		
 		public Show Merge(Show other)
diff --git a/Kyoo/Models/DatabaseContext.cs b/Kyoo/Models/DatabaseContext.cs
index 08aa48c6..ecd69660 100644
--- a/Kyoo/Models/DatabaseContext.cs
+++ b/Kyoo/Models/DatabaseContext.cs
@@ -144,6 +144,9 @@ namespace Kyoo
 			modelBuilder.Entity<Studio>()
 				.HasIndex(x => x.Slug)
 				.IsUnique();
+			modelBuilder.Entity<ProviderID>()
+				.HasIndex(x => x.Name)
+				.IsUnique();
 		}
 	}
 }
diff --git a/Kyoo/Tasks/CoreTaskHolder.cs b/Kyoo/Tasks/CoreTaskHolder.cs
index afe56737..73f36d2a 100644
--- a/Kyoo/Tasks/CoreTaskHolder.cs
+++ b/Kyoo/Tasks/CoreTaskHolder.cs
@@ -9,7 +9,8 @@ namespace Kyoo.Tasks
 		{
 			new CreateDatabase(),
 			new PluginLoader(),
-			new Crawler()
+			new Crawler(),
+			new MetadataLoader()
 		};
 	}
 }
\ No newline at end of file
diff --git a/Kyoo/Tasks/Crawler.cs b/Kyoo/Tasks/Crawler.cs
index c4ca99a7..ac58a2eb 100644
--- a/Kyoo/Tasks/Crawler.cs
+++ b/Kyoo/Tasks/Crawler.cs
@@ -140,7 +140,7 @@ namespace Kyoo.Controllers
 					return existing != null ? new PeopleLink(existing, show, x.Role, x.Type) : x;
 				}).ToList();
 			show.People = await _thumbnailsManager.Validate(show.People);
-			show.Genres = show.Genres.Select(x =>
+			show.Genres = show.Genres?.Select(x =>
 			{
 				Genre existing = _libraryManager.GetGenreBySlug(x.Slug);
 				return existing ?? x;
diff --git a/Kyoo/Tasks/MetadataLoader.cs b/Kyoo/Tasks/MetadataLoader.cs
new file mode 100644
index 00000000..b1efcc04
--- /dev/null
+++ b/Kyoo/Tasks/MetadataLoader.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Kyoo.Controllers;
+using Kyoo.Models;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Kyoo.Tasks
+{
+	public class MetadataLoader : ITask
+	{
+		public string Slug => "reload-metdata";
+		public string Name => "Reload Metadata Providers";
+		public string Description => "Add every loaded metadata provider to the database.";
+		public string HelpMessage => null;
+		public bool RunOnStartup => true;
+		public int Priority => 1000;
+		
+		public Task Run(IServiceProvider serviceProvider, CancellationToken cancellationToken, string arguments = null)
+		{
+			using IServiceScope serviceScope = serviceProvider.CreateScope();
+			DatabaseContext database = serviceScope.ServiceProvider.GetService<DatabaseContext>();
+			IPluginManager pluginManager = serviceScope.ServiceProvider.GetService<IPluginManager>();
+			foreach (IMetadataProvider provider in pluginManager.GetPlugins<IMetadataProvider>())
+				database.ProviderIds.AddIfNotExist(provider.Provider, x => x.Name == provider.Provider.Name);
+			database.SaveChanges();
+			return Task.CompletedTask;
+		}
+
+		public IEnumerable<string> GetPossibleParameters()
+		{
+			return null;
+		}
+
+		public int? Progress()
+		{
+			return null;
+		}
+	}
+}
\ No newline at end of file