diff --git a/builtin/configvagrant/main.go b/builtin/configvagrant/main.go
new file mode 100644
index 000000000..56367a237
--- /dev/null
+++ b/builtin/configvagrant/main.go
@@ -0,0 +1,120 @@
+package configvagrant
+
+import (
+	"fmt"
+	"github.com/hashicorp/go-argmapper"
+	"github.com/hashicorp/go-hclog"
+	sdk "github.com/hashicorp/vagrant-plugin-sdk"
+	"github.com/hashicorp/vagrant-plugin-sdk/component"
+	"github.com/hashicorp/vagrant-plugin-sdk/core"
+	"github.com/hashicorp/vagrant-plugin-sdk/terminal"
+)
+
+var CommandOptions = []sdk.Option{
+	sdk.WithComponents(
+		&Config{},
+		&Command{},
+	),
+	sdk.WithName("configvagrant"),
+}
+
+type Vagrant struct {
+	Sensitive []string `hcl:"sensitive,optional" json:",omitempty"`
+	Host      *string  `hcl:"host,optional" json:"host,omitempty"`
+	Plugins   []Plugin `hcl:"plugins,block" json:"plugins,omitempty"`
+}
+
+type Plugin struct {
+	Name string `hcl:"name,label"`
+
+	EntryPoint *string  `hcl:"entry_point,optional" json:"entry_point,omitempty"`
+	Sources    []string `hcl:"sources,optional" json:"source,omitempty"`
+	Version    *string  `hcl:"version,optional" json:"version,omitempty"`
+}
+
+type Config struct{}
+
+func (c *Config) Register() (*component.ConfigRegistration, error) {
+	return &component.ConfigRegistration{
+		Identifier: "vagrants",
+	}, nil
+}
+
+func (c *Config) StructFunc() interface{} {
+	return c.Struct
+}
+
+func (c *Config) Struct() *Vagrant {
+	return &Vagrant{}
+}
+
+func (c *Config) MergeFunc() interface{} {
+	return c.Merge
+}
+
+func (c *Config) Merge(input struct {
+	argmapper.Struct
+
+	Log     hclog.Logger `argmapper:",typeOnly"`
+	Base    *component.ConfigData
+	ToMerge *component.ConfigData
+}) (*component.ConfigData, error) {
+	input.Log.Info("merging config values for the vagrants namespace")
+	result := &component.ConfigData{
+		Data: map[string]interface{}{},
+	}
+
+	for k, v := range input.Base.Data {
+		input.Log.Info("Base value", "key", k, "value", v)
+		result.Data[k] = v
+	}
+
+	for k, v := range input.ToMerge.Data {
+		input.Log.Info("Merged value", "key", k, "value", v, "pre-existing", result.Data[k])
+		if v == result.Data[k] {
+			return nil, fmt.Errorf("values for merge should not match (%#v == %#v)", v, result.Data[k])
+		}
+		result.Data[k] = v
+	}
+
+	return result, nil
+}
+
+func (c *Config) FinalizeFunc() interface{} {
+	return c.Finalize
+}
+
+func (c *Config) Finalize(d *component.ConfigData) (*component.ConfigData, error) {
+	return d, nil
+}
+
+type Command struct{}
+
+func (c *Command) ExecuteFunc(_ []string) interface{} {
+	return c.Execute
+}
+
+func (c *Command) Execute(ui terminal.UI, v core.Vagrantfile) int32 {
+	ui.Output("Checking for our defined config...")
+	ui.Output("Our vagrantfile value is: %#v", v)
+	conf, err := v.GetConfig("vagrants")
+	if err != nil {
+		ui.Output("failed to get configuration for 'vagrants' namespace: %q", err)
+		return 1
+	}
+
+	ui.Output("We got something here!")
+	ui.Output("Config defined host: %s", conf.Data["host"])
+	return 0
+}
+
+func (c *Command) CommandInfoFunc() interface{} {
+	return c.CommandInfo
+}
+
+func (c *Command) CommandInfo() *component.CommandInfo {
+	return &component.CommandInfo{
+		Name: "configvagrant",
+		Help: "I display config",
+	}
+}