diff --git a/emacs/.emacs.d/config/init-ide.el b/emacs/.emacs.d/config/init-ide.el
index 22d28a4..1e69b14 100644
--- a/emacs/.emacs.d/config/init-ide.el
+++ b/emacs/.emacs.d/config/init-ide.el
@@ -208,6 +208,7 @@
   (ruby-ts-mode . eglot-ensure)
   (sh-mode . eglot-ensure)
   (bash-ts-mode . eglot-ensure)
+  (yaml-mode . eglot-ensure)
   :custom
   (eglot-confirm-server-initiated-edits nil)
   (eglot-connect-timeout nil))
@@ -233,7 +234,9 @@
 ;; AI assistance
 (use-package copilot
   :straight (:host github :repo "copilot-emacs/copilot.el" :files ("dist" "*.el"))
-  :hook (prog-mode . copilot-mode)
+  :hook ((prog-mode . copilot-mode)
+         (yaml-mode . copilot-mode)
+         (json-mode . copilot-mode))
   :general
   (prog-mode-map "C-c <tab>" #'copilot-complete)
   (copilot-completion-map "C-n" #'copilot-next-completion
diff --git a/homebrew/Brewfile b/homebrew/Brewfile
index d73c7e5..3524dcf 100644
--- a/homebrew/Brewfile
+++ b/homebrew/Brewfile
@@ -52,6 +52,7 @@ brew "terraform-ls"
 brew "texinfo"
 brew "typescript-language-server"
 brew "vscode-langservers-extracted"
+brew "yaml-language-server"
 brew "youtube-dl"
 cask "alfred"
 cask "bartender"