using (var context = new YourDbContext())
{
	var server = context.Servers.Find(1); // или FindOrDefault с последующей проверкой на null
 
	Response(new YourPacket(server));
}
 
Code: C#

 
public partial class CharacterModel
    {
        public int id { get; set; }
        public int player_id { get; set; }
        public string characterName { get; set; }
        public int characterSlot { get; set; }
        public int selectedCharacter { get; set; }
        public int creationDate { get; set; }
        public int playTime { get; set; }
        public InventoryModel characterPRIMARY { get; set; }
        public InventoryModel characterSECONDARY { get; set; }
        public InventoryModel characterMELEE { get; set; }
        public InventoryModel characterTHROWING { get; set; }
        public InventoryModel characterSPECIAL { get; set; }
        public InventoryModel characterID { get; set; }
        public InventoryModel characterHEAD { get; set; }
        public InventoryModel characterFACE { get; set; }
        public InventoryModel characterJACKET { get; set; }
        public InventoryModel characterPOKET { get; set; }
        public InventoryModel characterGLOVE { get; set; }
        public InventoryModel characterBELT { get; set; }
        public InventoryModel characterHOLSTER { get; set; }
        public InventoryModel characterSKIN { get; set; }
        public InventoryModel characterBERET { get; set; }
        public int skill { get; set; }
        public int skill_level_1 { get; set; }
        public int skill_level_2 { get; set; }
        public int skill_level_3 { get; set; }
        public int skill_slot_1 { get; set; }
        public int skill_slot_2 { get; set; }
        public int skill_slot_3 { get; set; }
        public PlayerModel Player { get; set; }
    }
 
Code: C#

class CharacterItem
{
    public int CharacterId { get; set; }
    public Character Character { get; set; }
 
    public int ItemObjId { get; set; }
    public Item Item { get; set; }
}
 
Code: C#

class Character
{
    public ICollection<CharacterItem> CharacterItems { get; set; } 
        = new HashSet<CharacterItem>();
}
 
Code: C#

protected override void OnModelCreating(ModelBuilder builder)
{
    builder.Model.GetEntityTypes()
        .SelectMany(entity => entity.GetProperties())
        .ToList()
        .ForEach(prop => prop.Relational().ColumnName = prop.Name.ToSnakeCase());
}
 
Code: C#

public static string ToSnakeCase(this string value)
{
    return Regex.Replace(value,
            "(.)(?=[A-Z])",
            "$1_",
            RegexOptions.Compiled
        ).ToLower();
}
 
Code: C#