diff --git a/functions/.gitignore b/functions/.gitignore
new file mode 100644
index 0000000..f309f9e
--- /dev/null
+++ b/functions/.gitignore
@@ -0,0 +1,3 @@
+_tsh
+_tctl
+_tbot
diff --git a/init.zsh b/init.zsh
new file mode 100644
index 0000000..aefdd7e
--- /dev/null
+++ b/init.zsh
@@ -0,0 +1,21 @@
+generate_completions() {
+  if [[ ${+commands[(e)${2}]} || ${+commands[asdf]} && ${+functions[_direnv_hook]} ]]; then
+
+    local command=${commands[(e)${2}]:-"$(${commands[asdf]} which $2 2> /dev/null)"}
+
+    [[ -z $command ]] && return 1
+
+    local compfile=$1/functions/_$2
+    if [[ ! -e $compfile || $compfile -ot $command ]]; then
+      $command --completion-script-zsh >| $compfile
+      print -u2 -PR "* Detected a new version '$2'. Regenerated completions."
+    fi
+  fi
+}
+
+# Teleport user CLI
+generate_completions "${0:h}" tsh
+# Teleport admin CLI
+generate_completions "${0:h}" tctl
+# Machine ID Bot
+generate_completions "${0:h}" tbot