diff --git a/home/home.nix b/home/home.nix
index 399e2bb..d1442ed 100644
--- a/home/home.nix
+++ b/home/home.nix
@@ -39,6 +39,7 @@ in
     # '')
 
     pkgs.bitwarden
+    pkgs.codex
     pkgs.dunst
     pkgs.element-desktop
     pkgs.fd
@@ -114,7 +115,16 @@ in
     ./modules/tmux
   ];
 
-  programs.bash.enable = true;
+  programs.bash = {
+    enable = true;
+    initExtra = ''
+      codex() {
+        local key
+        key="$(rbw get openai-api-key-codex)"
+        OPENAI_API_KEY="$key" command codex "$@"
+      }
+    '';
+  };
 
   # Let Home Manager install and manage itself.
   programs.home-manager.enable = true;