diff --git a/MultiversalDiplomacy/CommandLine/AdjudicateOptions.cs b/MultiversalDiplomacy/CommandLine/AdjudicateOptions.cs
new file mode 100644
index 0000000..67fca84
--- /dev/null
+++ b/MultiversalDiplomacy/CommandLine/AdjudicateOptions.cs
@@ -0,0 +1,15 @@
+using CommandLine;
+
+namespace MultiversalDiplomacy.CommandLine;
+
+[Verb("adjudicate", HelpText = "Adjudicate a Multiversal Diplomacy game state.")]
+public class AdjudicateOptions
+{
+    [Value(0, HelpText = "Input file describing the game state to adjudicate, or - to read from stdin.")]
+    public string? InputFile { get; set; }
+
+    public static void Execute(AdjudicateOptions args)
+    {
+        throw new NotImplementedException();
+    }
+}
diff --git a/MultiversalDiplomacy/CommandLine/ImageOptions.cs b/MultiversalDiplomacy/CommandLine/ImageOptions.cs
new file mode 100644
index 0000000..972ac9b
--- /dev/null
+++ b/MultiversalDiplomacy/CommandLine/ImageOptions.cs
@@ -0,0 +1,15 @@
+using CommandLine;
+
+namespace MultiversalDiplomacy.CommandLine;
+
+[Verb("image", HelpText = "Generate an image of a game state.")]
+public class ImageOptions
+{
+    [Value(0, HelpText = "Input file describing the game state to visualize, or - to read from stdin.")]
+    public string? InputFile { get; set; }
+
+    public static void Execute(ImageOptions args)
+    {
+        throw new NotImplementedException();
+    }
+}
diff --git a/MultiversalDiplomacy/CommandLine/ReplOptions.cs b/MultiversalDiplomacy/CommandLine/ReplOptions.cs
new file mode 100644
index 0000000..d675ff0
--- /dev/null
+++ b/MultiversalDiplomacy/CommandLine/ReplOptions.cs
@@ -0,0 +1,12 @@
+using CommandLine;
+
+namespace MultiversalDiplomacy.CommandLine;
+
+[Verb("repl", HelpText = "Begin an interactive 5dplomacy session.")]
+public class ReplOptions
+{
+    public static void Execute(ReplOptions args)
+    {
+        throw new NotImplementedException();
+    }
+}
diff --git a/MultiversalDiplomacy/MultiversalDiplomacy.csproj b/MultiversalDiplomacy/MultiversalDiplomacy.csproj
index 76512ea..cc12987 100644
--- a/MultiversalDiplomacy/MultiversalDiplomacy.csproj
+++ b/MultiversalDiplomacy/MultiversalDiplomacy.csproj
@@ -13,4 +13,8 @@
     </AssemblyAttribute>
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="CommandLineParser" Version="2.9.1" />
+  </ItemGroup>
+
 </Project>
diff --git a/MultiversalDiplomacy/Program.cs b/MultiversalDiplomacy/Program.cs
index f6d0fcb..692a259 100644
--- a/MultiversalDiplomacy/Program.cs
+++ b/MultiversalDiplomacy/Program.cs
@@ -1,12 +1,32 @@
-using System;
+using CommandLine;
 
-namespace MultiversalDiplomacy
+using MultiversalDiplomacy.CommandLine;
+
+namespace MultiversalDiplomacy;
+
+internal class Program
 {
-    internal class Program
+    [Verb("stab", HelpText = "stab")]
+    private class StabOptions
     {
-        static void Main(string[] args)
-        {
-            Console.WriteLine("stab");
-        }
+        public static void Execute(StabOptions _)
+            => Console.WriteLine("stab");
     }
-}
\ No newline at end of file
+
+    static void Main(string[] args)
+    {
+        var parser = Parser.Default;
+        var parseResult = parser.ParseArguments(
+            args,
+            typeof(AdjudicateOptions),
+            typeof(ImageOptions),
+            typeof(ReplOptions),
+            typeof(StabOptions));
+
+        parseResult
+            .WithParsed<AdjudicateOptions>(AdjudicateOptions.Execute)
+            .WithParsed<ImageOptions>(ImageOptions.Execute)
+            .WithParsed<ReplOptions>(ReplOptions.Execute)
+            .WithParsed<StabOptions>(StabOptions.Execute);
+    }
+}