Engineers write prompts as part of the job now, and being able to refer to them in an efficient manner is a valuable improvement to your workflow. Skip pasting file contents into Claude entirely: open find-file (C-x C-f) to surface the path Emacs already knows, select it and cut it …

C-x C-x is teleport for your mark.

C-x h is “select literally everything right now”!

Create and edit hyperlinks in Emacs Org Mode

Ctrl-K is the first key to wear out on an Emacs user's keyboard