diff --git a/completers/k3d_completer/cmd/cluster_create.go b/completers/k3d_completer/cmd/cluster_create.go
index 738a2017a8..4f535177f2 100644
--- a/completers/k3d_completer/cmd/cluster_create.go
+++ b/completers/k3d_completer/cmd/cluster_create.go
@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"github.com/rsteube/carapace"
+	"github.com/rsteube/carapace-bin/pkg/actions/tools/k3d"
 	"github.com/spf13/cobra"
 )
 
@@ -48,10 +49,17 @@ func init() {
 	clusterCmd.AddCommand(cluster_createCmd)
 
 	carapace.Gen(cluster_createCmd).FlagCompletion(carapace.ActionMap{
-		"api-port":           carapace.ActionValues(), // TODO
-		"config":             carapace.ActionFiles(),
-		"env":                carapace.ActionValues(),
-		"gpus":               carapace.ActionValues(),
+		"api-port": carapace.ActionValues(), // TODO
+		"config":   carapace.ActionFiles(),
+		"env": carapace.ActionMultiPartsN("@", 2, func(c carapace.Context) carapace.Action {
+			switch len(c.Parts) {
+			case 0:
+				return carapace.ActionValues() // KEY=VALUE
+			default:
+				return k3d.ActionNodeFilter().List(";")
+			}
+		}),
+		"gpus":               carapace.ActionValues(), // TODO
 		"host-alias":         carapace.ActionValues(),
 		"image":              carapace.ActionValues(),
 		"k3s-arg":            carapace.ActionValues(),
diff --git a/pkg/actions/tools/k3d/node.go b/pkg/actions/tools/k3d/node.go
index aef214a9da..7da155a305 100644
--- a/pkg/actions/tools/k3d/node.go
+++ b/pkg/actions/tools/k3d/node.go
@@ -67,3 +67,20 @@ func ActionNodes(opts NodeOpts) carapace.Action {
 		return carapace.ActionStyledValuesDescribed(vals...)
 	})
 }
+
+func ActionNodeGroups() carapace.Action {
+	return carapace.ActionValues("server", "servers", "agent", "agents", "loadbalancer", "all")
+}
+
+func ActionNodeFilter() carapace.Action { // TODO limit to specific cluster
+	return carapace.ActionMultiPartsN(":", 3, func(c carapace.Context) carapace.Action {
+		switch len(c.Parts) {
+		case 0:
+			return ActionNodeGroups()
+		case 1:
+			return carapace.ActionValues() // TODO subset
+		default:
+			return carapace.ActionValues() // TODO suffix
+		}
+	})
+}