diff --git a/MultiversalDiplomacy/MultiversalDiplomacy.csproj b/MultiversalDiplomacy/MultiversalDiplomacy.csproj
index 91b464a..dbb9910 100644
--- a/MultiversalDiplomacy/MultiversalDiplomacy.csproj
+++ b/MultiversalDiplomacy/MultiversalDiplomacy.csproj
@@ -7,4 +7,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="CommandLineParser" Version="2.9.1" />
+  </ItemGroup>
+
 </Project>
diff --git a/MultiversalDiplomacy/Program.cs b/MultiversalDiplomacy/Program.cs
index f6d0fcb..91a719a 100644
--- a/MultiversalDiplomacy/Program.cs
+++ b/MultiversalDiplomacy/Program.cs
@@ -1,12 +1,41 @@
 using System;
 
+using CommandLine;
+using CommandLine.Text;
+
 namespace MultiversalDiplomacy
 {
+    [Verb("adjudicate", HelpText = "")]
+    internal class AdjudicateOptions
+    {
+        [Option('i', "input")]
+        public string? InputFile { get; set; }
+    }
+
     internal class Program
     {
         static void Main(string[] args)
         {
-            Console.WriteLine("stab");
+            var parser = new Parser(options =>
+            {
+                options.AutoVersion = false;
+                options.HelpWriter = null;
+            });
+            var parseResult = parser.ParseArguments(args, typeof(AdjudicateOptions));
+            var helpText = HelpText.AutoBuild(parseResult, options =>
+            {
+                options.AdditionalNewLineAfterOption = false;
+                return HelpText.DefaultParsingErrorsHandler(parseResult, options);
+            });
+
+            parseResult
+                .WithParsed<AdjudicateOptions>(Adjudicate)
+                .WithNotParsed(errs => Console.WriteLine(helpText));
+        }
+
+        static void Adjudicate(AdjudicateOptions args)
+        {
+
         }
     }
 }
\ No newline at end of file