diff --git a/Vagrantfile b/Vagrantfile
index 4226a9765..3baae52d2 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -1,4 +1,12 @@
+require 'yaml'
+
 Vagrant.configure("2") do |config|
+  if Vagrant.has_plugin?('vagrant-hostmanager')
+    config.hostmanager.enabled = true
+    config.hostmanager.manage_host = true
+    config.hostmanager.manage_guest = true
+    config.hostmanager.include_offline = true
+  end
   config.vm.synced_folder ".", "/vagrant"
 
   config.vm.provision("etc_hosts", type: 'ansible') do |ansible|
@@ -17,7 +25,7 @@ Vagrant.configure("2") do |config|
     override.vm.provider "libvirt" do |libvirt, provider|
       libvirt.memory = 10240
       libvirt.cpus = 4
-      libvirt.machine_virtual_size = 30
+      libvirt.machine_virtual_size = 50
     end
   end
 
@@ -38,4 +46,23 @@ Vagrant.configure("2") do |config|
       libvirt.memory = 2048
     end
   end
+
+  # Load user-local box definitions from boxes.yaml (gitignored)
+  boxes_yaml = File.join(__dir__, 'boxes.yaml')
+  if File.exist?(boxes_yaml)
+    user_boxes = YAML.safe_load(File.read(boxes_yaml)) || {}
+    user_boxes.each do |name, settings|
+      next if settings.nil?
+      config.vm.define name do |override|
+        override.vm.box = ENV.fetch("FOREMANCTL_BASE_BOX", settings.fetch('box', 'centos/stream9'))
+        override.vm.hostname = settings.fetch('hostname', "#{name}.example.com")
+
+        override.vm.provider "libvirt" do |libvirt, _provider|
+          libvirt.memory = settings.fetch('memory', 4096)
+          libvirt.cpus = settings.fetch('cpus', 1)
+          libvirt.machine_virtual_size = settings['disk_size'] if settings.key?('disk_size')
+        end
+      end
+    end
+  end
 end