SLink - Simple copy link автор tkhm, meltest, capsmalt

This add-on enables you to copy your visiting site title and URL to your clipboard as markdown / plain text.

Also it has the following features:

- Drag copy text
- Shortcut key (Alt+M: Copy as markdown, Alt+P: Copy as plain text)

Note:
This add-on requires permission of "Access your data for all websites" because copy and paste is only allowed on these style. For more technical detail, you can checkout here: Interact with the clipboard - Mozilla | MDN https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Interact_with_the_clipboard