diff --git a/.gitignore b/.gitignore
index 244e09a..66c6bf8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ bld/
 *.nupkg
 *.nuget.props
 *.nuget.targets
+
 # Vim
 [._]*.s[a-v][a-z]
 [._]*.sw[a-p]
@@ -34,8 +35,7 @@ tags
 [._]*.un~
 
 # Visual Studio Code
-.vscode/*
-!.vscode/settings.json
-!.vscode/tasks.json
-!.vscode/launch.json
-!.vscode/extensions.json
+.vscode/
+
+# HabitSharp secrets
+habitsharp.json
diff --git a/HabitSharp.Client/HabitSharp.Client.csproj b/HabitSharp.Client/HabitSharp.Client.csproj
new file mode 100644
index 0000000..b9c4c38
--- /dev/null
+++ b/HabitSharp.Client/HabitSharp.Client.csproj
@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\HabitSharp\HabitSharp.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="McMaster.Extensions.CommandLineUtils" Version="2.2.5" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="2.2.0" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <AssemblyName>HabitSharp.Client</AssemblyName>
+    <PackageId>HabitSharp.Client</PackageId>
+    <VersionPrefix>0.1.0</VersionPrefix>
+    <Authors>Lucidiot</Authors>
+    <Company>Lucidiot</Company>
+    <Description>Command-line tool for Habitica.</Description>
+    <PackageLicenseUrl>https://gitlab.com/Lucidiot/HabitSharp/blob/master/LICENSE</PackageLicenseUrl>
+    <RepositoryType>git</RepositoryType>
+    <RepositoryUrl>https://gitlab.com/Lucidiot/HabitSharp</RepositoryUrl>
+  </PropertyGroup>
+
+</Project>
diff --git a/HabitSharp.Client/Program.cs b/HabitSharp.Client/Program.cs
new file mode 100644
index 0000000..1f56c75
--- /dev/null
+++ b/HabitSharp.Client/Program.cs
@@ -0,0 +1,73 @@
+using System;
+using System.IO;
+using HabitSharp;
+using McMaster.Extensions.CommandLineUtils;
+using Microsoft.Extensions.Configuration;
+
+namespace HabitClient
+{
+    class Program
+    {
+        private static HabiticaApi GetClient() {
+            // TODO: Gracefully handle missing config and create a boilerplate
+            var config = new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())  // TODO: Use home dir?
+                .AddJsonFile("habitsharp.json")
+                .Build();
+            // TODO: Bind to config object?
+            return new HabiticaApi(config["userId"], config["apiKey"]);
+        }
+
+        static void Main(string[] args)
+        {
+            var api = GetClient();
+
+            var app = new CommandLineApplication {
+                Name = "habitica",
+                Description = "An command-line tool for the Habitica API"
+            };
+            app.HelpOption(inherited: true);
+
+            app.Command("tags", tagCmd => {
+                tagCmd.Description = "Manage tags";
+                tagCmd.OnExecute(() => {
+                    Console.WriteLine("Specify a subcommand");
+                    tagCmd.ShowHelp();
+                    return 1;
+                });
+
+                tagCmd.Command("list", listCmd => {
+                    listCmd.Description = "List all tags";
+                    listCmd.OnExecute(() => {
+                        var tags = api.Tags.List();
+                        Console.WriteLine("Habitica version " + tags.AppVersion.ToString());
+                        foreach (Tag t in tags.Data) {
+                            Console.Write($"{t.Id}: {t.Name}");
+                            Console.WriteLine(t.Challenge ? " (Challenge Tag)" : "");
+                        }
+                    });
+                });
+
+                tagCmd.Command("clear", clearCmd => {
+                    clearCmd.Description = "Delete all tags";
+                    clearCmd.OnExecute(() => {
+                        var tags = api.Tags.List();
+                        Console.WriteLine("Habitica version " + tags.AppVersion.ToString());
+                        foreach (Tag t in tags.Data) {
+                            Console.WriteLine($"Deleting tag {t.Name}");
+                            api.Tags.Delete(t);
+                        }
+                    });
+                });
+            });
+
+            app.OnExecute(() => {
+                Console.WriteLine("Specify a subcommand");
+                app.ShowHelp();
+                return 1;
+            });
+
+            app.Execute(args);
+        }
+    }
+}