diff --git a/Gemfile b/Gemfile
index 74e5c04..801e4d1 100755
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,5 @@
 # frozen_string_literal: true
 source "https://rubygems.org"
 gem "cmd.rb", github: "0x1eef/cmd.rb"
+gem "ryo.rb", github: "0x1eef/ryo.rb"
 gemspec
diff --git a/bin/twenty b/bin/twenty
new file mode 100755
index 0000000..49ffd26
--- /dev/null
+++ b/bin/twenty
@@ -0,0 +1 @@
+#!/usr/bin/env ruby
diff --git a/lib/twenty.rb b/lib/twenty.rb
new file mode 100644
index 0000000..d104d3f
--- /dev/null
+++ b/lib/twenty.rb
@@ -0,0 +1,3 @@
+module Twenty
+  require_relative "twenty/command"
+end
diff --git a/lib/twenty/command.rb b/lib/twenty/command.rb
new file mode 100644
index 0000000..994a24f
--- /dev/null
+++ b/lib/twenty/command.rb
@@ -0,0 +1,8 @@
+require "cmd"
+
+class Twenty::Command < Cmd
+  require_relative "command/up"
+  require_relative "command/down"
+  require_relative "command/connect"
+  require_relative "command/disconnect"
+end
diff --git a/lib/twenty/command/connect.rb b/lib/twenty/command/connect.rb
new file mode 100644
index 0000000..c70d079
--- /dev/null
+++ b/lib/twenty/command/connect.rb
@@ -0,0 +1,15 @@
+class Twenty::Command::Connect < Twenty::Command
+  set_banner usage: "twenty connect [OPTIONS]",
+             description: "Connect a project to twenty"
+
+  def run
+    options = parse_options(argv)
+    options.help ? show_help : run_command
+  end
+
+  private
+
+  def run_command
+    warn "[twenty] connect..."
+  end
+end
diff --git a/lib/twenty/command/disconnect.rb b/lib/twenty/command/disconnect.rb
new file mode 100644
index 0000000..aa473e4
--- /dev/null
+++ b/lib/twenty/command/disconnect.rb
@@ -0,0 +1,15 @@
+class Twenty::Command::Disconnect < Twenty::Command
+  set_banner usage: "twenty disconnect [OPTIONS]",
+             description: "Disconnect a project from twenty"
+
+  def run
+    options = parse_options(argv)
+    options.help ? show_help : run_command
+  end
+
+  private
+
+  def run_command
+    warn "[twenty] disconnect..."
+  end
+end
diff --git a/lib/twenty/command/down.rb b/lib/twenty/command/down.rb
new file mode 100644
index 0000000..4d862a9
--- /dev/null
+++ b/lib/twenty/command/down.rb
@@ -0,0 +1,15 @@
+class Twenty::Command::Down < Twenty::Command
+  set_banner usage: "twenty down [OPTIONS]",
+             description: "Stop the twenty web server"
+
+  def run
+    options = parse_options(argv)
+    options.help ? show_help : run_command
+  end
+
+  private
+
+  def run_command
+    warn "[twenty] down..."
+  end
+end
diff --git a/lib/twenty/command/up.rb b/lib/twenty/command/up.rb
new file mode 100644
index 0000000..4f0c8e9
--- /dev/null
+++ b/lib/twenty/command/up.rb
@@ -0,0 +1,15 @@
+class Twenty::Command::Up < Twenty::Command
+  set_banner usage: "twenty up [OPTIONS]",
+             description: "Start the twenty web server"
+
+  def run
+    options = parse_options(argv)
+    options.help ? show_help : run_command
+  end
+
+  private
+
+  def run_command
+    warn "[twenty] up..."
+  end
+end
diff --git a/libexec/twenty/connect b/libexec/twenty/connect
new file mode 100644
index 0000000..e69de29
diff --git a/libexec/twenty/disconnect b/libexec/twenty/disconnect
new file mode 100644
index 0000000..e69de29
diff --git a/libexec/twenty/down b/libexec/twenty/down
new file mode 100644
index 0000000..e69de29
diff --git a/libexec/twenty/up b/libexec/twenty/up
new file mode 100644
index 0000000..e69de29
diff --git a/twenty.gemspec b/twenty.gemspec
index 44f3a1c..45a955a 100644
--- a/twenty.gemspec
+++ b/twenty.gemspec
@@ -16,6 +16,5 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency "yard", "~> 0.9"
   gem.add_development_dependency "redcarpet", "~> 3.5"
   gem.add_development_dependency "standard", "~> 1.13"
-  gem.add_development_dependency "test-cmd.rb", "~> 0.2"
   gem.add_development_dependency "rake", "~> 13.1"
 end