eglot adds extensive support of the language server protocol to Emacs. However, one feature it lacks is Code Lens support. eglot-codelens adds seeks to remady this by integrating with eglot and adding a new minor mode eglot-codelens-mode.

(use-package eglot-codelens
  :after eglot
  :init
  ;; Emacs 29
  (unless (package-installed-p 'eglot-codelens)
    (package-vc-install
     '(eglot-codelens :url "https://github.com/Gavinok/eglot-codelens.git")))
  :config
  (eglot-codelens-mode +1))

eglot-codelens-execute-current-lens

Inspect the current overlays at point and attempt to execute it.

eglot-codelens-mode

Toggle the minor mode for displaying Code Lenses with eglot.