diff --git a/MareSynchronosAPI/Dto/Group/GroupInfoDto.cs b/MareSynchronosAPI/Dto/Group/GroupInfoDto.cs
index 1a5befe..3837421 100644
--- a/MareSynchronosAPI/Dto/Group/GroupInfoDto.cs
+++ b/MareSynchronosAPI/Dto/Group/GroupInfoDto.cs
@@ -10,6 +10,8 @@ public record GroupInfoDto(GroupData Group, UserData Owner, GroupPermissions Gro
 {
     public GroupPermissions GroupPermissions { get; set; } = GroupPermissions;
     public UserData Owner { get; set; } = Owner;
+    public bool AutoDetectVisible { get; set; }
+    public bool PasswordTemporarilyDisabled { get; set; }
 
     public string OwnerUID => Owner.UID;
     public string? OwnerAlias => Owner.Alias;
diff --git a/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryEntryDto.cs b/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryEntryDto.cs
new file mode 100644
index 0000000..d9b9db8
--- /dev/null
+++ b/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryEntryDto.cs
@@ -0,0 +1,15 @@
+using MessagePack;
+
+namespace MareSynchronos.API.Dto.Group;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public sealed record SyncshellDiscoveryEntryDto
+{
+    public string GID { get; init; } = string.Empty;
+    public string? Alias { get; init; }
+    public string OwnerUID { get; init; } = string.Empty;
+    public string? OwnerAlias { get; init; }
+    public int MemberCount { get; init; }
+    public bool AutoAcceptPairs { get; init; }
+    public string? Description { get; init; }
+}
diff --git a/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryStateDto.cs b/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryStateDto.cs
new file mode 100644
index 0000000..7d2a3ed
--- /dev/null
+++ b/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryStateDto.cs
@@ -0,0 +1,11 @@
+using MessagePack;
+
+namespace MareSynchronos.API.Dto.Group;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public sealed record SyncshellDiscoveryStateDto
+{
+    public string GID { get; init; } = string.Empty;
+    public bool AutoDetectVisible { get; init; }
+    public bool PasswordTemporarilyDisabled { get; init; }
+}
diff --git a/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryVisibilityRequestDto.cs b/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryVisibilityRequestDto.cs
new file mode 100644
index 0000000..7cb1612
--- /dev/null
+++ b/MareSynchronosAPI/Dto/Group/SyncshellDiscoveryVisibilityRequestDto.cs
@@ -0,0 +1,10 @@
+using MessagePack;
+
+namespace MareSynchronos.API.Dto.Group;
+
+[MessagePackObject(keyAsPropertyName: true)]
+public sealed record SyncshellDiscoveryVisibilityRequestDto
+{
+    public string GID { get; init; } = string.Empty;
+    public bool AutoDetectVisible { get; init; }
+}
diff --git a/MareSynchronosAPI/Dto/McdfShare/McdfShareEntryDto.cs b/MareSynchronosAPI/Dto/McdfShare/McdfShareEntryDto.cs
new file mode 100644
index 0000000..1a944ab
--- /dev/null
+++ b/MareSynchronosAPI/Dto/McdfShare/McdfShareEntryDto.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+
+namespace MareSynchronos.API.Dto.McdfShare;
+
+public class McdfShareEntryDto
+{
+    public Guid Id { get; set; }
+    public string Description { get; set; } = string.Empty;
+    public DateTime CreatedUtc { get; set; }
+    public DateTime? UpdatedUtc { get; set; }
+    public DateTime? ExpiresAtUtc { get; set; }
+    public bool IsOwner { get; set; }
+    public string OwnerUid { get; set; } = string.Empty;
+    public string OwnerAlias { get; set; } = string.Empty;
+    public int DownloadCount { get; set; }
+    public List<string> AllowedIndividuals { get; set; } = [];
+    public List<string> AllowedSyncshells { get; set; } = [];
+}
diff --git a/MareSynchronosAPI/Dto/McdfShare/McdfSharePayloadDto.cs b/MareSynchronosAPI/Dto/McdfShare/McdfSharePayloadDto.cs
new file mode 100644
index 0000000..a829d08
--- /dev/null
+++ b/MareSynchronosAPI/Dto/McdfShare/McdfSharePayloadDto.cs
@@ -0,0 +1,15 @@
+using System;
+
+namespace MareSynchronos.API.Dto.McdfShare;
+
+public class McdfSharePayloadDto
+{
+    public Guid ShareId { get; set; }
+    public string Description { get; set; } = string.Empty;
+    public byte[] CipherData { get; set; } = Array.Empty<byte>();
+    public byte[] Nonce { get; set; } = Array.Empty<byte>();
+    public byte[] Salt { get; set; } = Array.Empty<byte>();
+    public byte[] Tag { get; set; } = Array.Empty<byte>();
+    public DateTime CreatedUtc { get; set; }
+    public DateTime? ExpiresAtUtc { get; set; }
+}
diff --git a/MareSynchronosAPI/Dto/McdfShare/McdfShareUpdateRequestDto.cs b/MareSynchronosAPI/Dto/McdfShare/McdfShareUpdateRequestDto.cs
new file mode 100644
index 0000000..2bf3645
--- /dev/null
+++ b/MareSynchronosAPI/Dto/McdfShare/McdfShareUpdateRequestDto.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+
+namespace MareSynchronos.API.Dto.McdfShare;
+
+public class McdfShareUpdateRequestDto
+{
+    public Guid ShareId { get; set; }
+    public string Description { get; set; } = string.Empty;
+    public DateTime? ExpiresAtUtc { get; set; }
+    public List<string> AllowedIndividuals { get; set; } = [];
+    public List<string> AllowedSyncshells { get; set; } = [];
+}
diff --git a/MareSynchronosAPI/Dto/McdfShare/McdfShareUploadRequestDto.cs b/MareSynchronosAPI/Dto/McdfShare/McdfShareUploadRequestDto.cs
new file mode 100644
index 0000000..2bae493
--- /dev/null
+++ b/MareSynchronosAPI/Dto/McdfShare/McdfShareUploadRequestDto.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+
+namespace MareSynchronos.API.Dto.McdfShare;
+
+public class McdfShareUploadRequestDto
+{
+    public Guid ShareId { get; set; }
+    public string Description { get; set; } = string.Empty;
+    public byte[] CipherData { get; set; } = Array.Empty<byte>();
+    public byte[] Nonce { get; set; } = Array.Empty<byte>();
+    public byte[] Salt { get; set; } = Array.Empty<byte>();
+    public byte[] Tag { get; set; } = Array.Empty<byte>();
+    public DateTime? ExpiresAtUtc { get; set; }
+    public List<string> AllowedIndividuals { get; set; } = [];
+    public List<string> AllowedSyncshells { get; set; } = [];
+}