diff --git a/.gitignore b/.gitignore
index 9020994b..8383394b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,10 +4,11 @@ builds/
 target/
 release/
 bin/
+.vs/
 deps/craftbukkit.jar
 *~
 *.lock
 *.DS_Store
 *.swp
 *.out
-!*.dll
+!*.elt
diff --git a/sdk/DotNet Core/JsonApi.sln b/sdk/DotNet Core/JsonApi.sln
new file mode 100644
index 00000000..ff2ca322
--- /dev/null
+++ b/sdk/DotNet Core/JsonApi.sln	
@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.26430.4
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JsonApi", "JsonApi\JsonApi.csproj", "{7FCD017D-A07B-499B-936B-C37F50BD99C1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "JsonApiTest", "JsonApiTest\JsonApiTest.csproj", "{52A0D2EC-33DA-49A1-9AC0-96D477F30327}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7FCD017D-A07B-499B-936B-C37F50BD99C1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7FCD017D-A07B-499B-936B-C37F50BD99C1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7FCD017D-A07B-499B-936B-C37F50BD99C1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7FCD017D-A07B-499B-936B-C37F50BD99C1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{52A0D2EC-33DA-49A1-9AC0-96D477F30327}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{52A0D2EC-33DA-49A1-9AC0-96D477F30327}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{52A0D2EC-33DA-49A1-9AC0-96D477F30327}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{52A0D2EC-33DA-49A1-9AC0-96D477F30327}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/sdk/DotNet Core/JsonApi/ApiHelper.cs b/sdk/DotNet Core/JsonApi/ApiHelper.cs
new file mode 100644
index 00000000..837fe052
--- /dev/null
+++ b/sdk/DotNet Core/JsonApi/ApiHelper.cs	
@@ -0,0 +1,143 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace JsonApi
+{
+    public class ApiHelper
+    {
+        private const string UrlFormat = "http://{0}:{1}/api/2/call?json={2}";
+
+        public ApiHelper(string host, int port, string userName, string password, string salt = "")
+        {
+            _host = host;
+            Port = port;
+            _userName = userName;
+            _password = password;
+            _salt = salt;
+        }
+
+        private readonly string _host;
+        private readonly string _userName;
+        private readonly string _password;
+        private readonly string _salt;
+        public readonly int Port;
+
+        private string GetKey(string method)
+        {
+            return BitConverter.ToString(
+                    SHA256.Create().ComputeHash(Encoding.UTF8.GetBytes(_userName + method + _password + _salt)))
+                .Replace("-", "").ToLower();
+        }
+        
+        private string MakeApiUrl(string method, object[] args)
+        {
+            return string.Format(UrlFormat, _host, Port, UrlEncode(ConstructCall(method, args)));
+        }
+
+        private string MakeApiUrl(string[] method, string[][] args)
+        {
+            return string.Format(UrlFormat, _host, Port, UrlEncode(ConstructCall(method, args)));
+        }
+        
+        private string ConstructCall(string method, object[] args)
+        {
+            var json = new
+            {
+                name = method,
+                arguments = args,
+                key = GetKey(method),
+                username = _userName
+            };
+
+            return JsonConvert.SerializeObject(json);
+        }
+        
+        private string ConstructCall(string[] method, string[][] args)
+        {
+            var allCalls = new List<object>();
+            for (var i = 0; i < method.Length; i++)
+            {
+                allCalls.Add(
+                    new
+                    {
+                        name = method[i],
+                        arguments = args[i],
+                        key = GetKey(method[i]),
+                        username = _userName
+                    }
+                );
+            }
+
+            return JsonConvert.SerializeObject(allCalls);
+        }
+
+        /// <summary>
+        /// Call a method on the server.
+        /// </summary>
+        /// <param name="method">The method to call.</param>
+        /// <param name="args">Arguments to pass to the server.</param>
+        /// <returns></returns>
+        public string Call(string method, object[] args)
+        {
+            var url = MakeApiUrl(method, args);
+
+            return Get(url);
+        }
+
+        /// <summary>
+        /// Call multiple methods on the server.
+        /// </summary>
+        /// <param name="method">A string[] of methods to call on the server.</param>
+        /// <param name="args">Arguments to pass to the server.</param>
+        /// <returns></returns>
+        public string Call(string[] method, string[][] args)
+        {
+            if (method.Length != args.Length)
+            {
+                throw new ArgumentOutOfRangeException();
+            }
+
+            var url = MakeApiUrl(method, args);
+
+            return Get(url);
+        }
+        
+        private static string Get(string url)
+        {
+            var request = (HttpWebRequest)WebRequest.Create(url);
+            request.Method = "GET";
+            request.ContentType = "text/html;charset=UTF-8";
+
+            var response = (HttpWebResponse)request.GetResponseAsync().Result;
+            var myResponseStream = response.GetResponseStream();
+            var myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);
+            var retString = myStreamReader.ReadToEnd();
+            myStreamReader.Dispose();
+            myResponseStream.Dispose();
+
+            return retString;
+        }
+
+        /// <summary>
+        /// UrlEncode
+        /// </summary>
+        /// <param name="str"></param>
+        /// <returns></returns>
+        private static string UrlEncode(string str)
+        {
+            var sb = new StringBuilder();
+            var byStr = Encoding.UTF8.GetBytes(str);
+            for (var i = 0; i < byStr.Length; i++)
+            {
+                sb.Append(@"%" + Convert.ToString(i, 16));
+            }
+
+            return (sb.ToString());
+        }
+    }
+}
diff --git a/sdk/DotNet Core/JsonApi/JsonApi.csproj b/sdk/DotNet Core/JsonApi/JsonApi.csproj
new file mode 100644
index 00000000..de58f5f3
--- /dev/null
+++ b/sdk/DotNet Core/JsonApi/JsonApi.csproj	
@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp1.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Remove="JsonAPI.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
+  </ItemGroup>
+
+</Project>
\ No newline at end of file
diff --git a/sdk/DotNet Core/JsonApiTest/JsonApiTest.csproj b/sdk/DotNet Core/JsonApiTest/JsonApiTest.csproj
new file mode 100644
index 00000000..76de12df
--- /dev/null
+++ b/sdk/DotNet Core/JsonApiTest/JsonApiTest.csproj	
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp1.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\JsonApi\JsonApi.csproj" />
+  </ItemGroup>
+
+</Project>
\ No newline at end of file
diff --git a/sdk/DotNet Core/JsonApiTest/Program.cs b/sdk/DotNet Core/JsonApiTest/Program.cs
new file mode 100644
index 00000000..7ea61b85
--- /dev/null
+++ b/sdk/DotNet Core/JsonApiTest/Program.cs	
@@ -0,0 +1,14 @@
+using JsonApi;
+using System;
+
+namespace JsonApiTest
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            var j = new ApiHelper("192.168.0.197", 25565, "admin", "changeme");
+            Console.WriteLine(j.Call("players.name", new object[] { "Tuisku" }));
+        }
+    }
+}
\ No newline at end of file