diff --git a/repl_sessions/zsh_completion.clj b/repl_sessions/zsh_completion.clj
new file mode 100644
index 0000000..78da542
--- /dev/null
+++ b/repl_sessions/zsh_completion.clj
@@ -0,0 +1,50 @@
+(ns zsh-completion)
+
+#!/usr/bin/env bb
+(ns platform.bin.complete
+  (:require
+   [clojure.string :as str]
+   [lambdaisland.cli :as cli]))
+
+(defn foo
+  "Do something"
+  [opts]
+  )
+
+(def commands
+  ["foo" #'foo
+   ])
+
+(def flags
+  ["-v, --verbose" "Increase verbosity"
+   "-n, --dry-run" "Show shell commands, but don't execute them"])
+
+(let [argcnt  (parse-long (first *command-line-args*))
+      args    (next *command-line-args*)
+      cmdspec (cli/to-cmdspec
+               {:name     "bin/dev"
+                :commands commands
+                :flags    flags})
+      commands (apply array-map (:commands cmdspec))
+      flags (apply array-map (:flags cmdspec))]
+  (println "local _desc _vals")
+  (println (str "_desc="
+                (pr-str
+                 (for [[cmd {:keys [doc]}] commands]
+                   (str cmd " -- " (if doc (first (str/split doc #"\R")) "foo"))))
+                #_
+                (str/replace
+                 #"\"" "'")))
+  (println (str "_vals="
+                (pr-str
+                 (for [[cmd _] commands]
+                   cmd))
+                #_(str/replace
+
+                   #"\"" "'")))
+  )
+
+;; _bin_dev_completions() {
+;;   eval $($service --zsh-completion ${#words} $words)
+;;   compadd -d _desc -a _vals
+;; }