diff --git a/users/tao/nushell/completions/completions-docker.nu b/users/tao/nushell/completions/completions-docker.nu
new file mode 100644
index 0000000..e8e02cc
--- /dev/null
+++ b/users/tao/nushell/completions/completions-docker.nu
@@ -0,0 +1,7 @@
+export def "nu-complete docker start" [] {
+  docker ps --all --format json | from json --objects | select Names Image | rename value description
+}
+
+export extern "docker start" [
+  ...recipe: string@"nu-complete docker start"
+]
diff --git a/users/tao/nushell/config.nu b/users/tao/nushell/config.nu
index 0c08cc8..23b2d54 100644
--- a/users/tao/nushell/config.nu
+++ b/users/tao/nushell/config.nu
@@ -12,6 +12,7 @@ use tailscale.nu *
 
 source completions-jj.nu
 source completions-just.nu
+source completions-docker.nu
 
 # External completer example
 # let carapace_completer = {|spans|
diff --git a/users/tao/nushell/extras/tailscale.nu b/users/tao/nushell/extras/tailscale.nu
index fa8e8d9..83eb48a 100644
--- a/users/tao/nushell/extras/tailscale.nu
+++ b/users/tao/nushell/extras/tailscale.nu
@@ -13,7 +13,7 @@ export def check-mullvad [] {
 }
 
 # switch to a specific exit node, or none
-export def te [exit_node: string = ""] {
+export def te [exit_node: string = "", -n] {
   if ($exit_node | is-empty) and (ps | find deluge | is-not-empty) {
     print "stop summoning first!"
     return false
@@ -21,7 +21,7 @@ export def te [exit_node: string = ""] {
 
   tailscale set --exit-node $exit_node
 
-  if ($exit_node | is-not-empty) {
+  if ($exit_node | is-not-empty) or not $n {
     check-mullvad
   } else {
     print "exit node set"