Several tools offer to act from an URL, specified in GET or POST.
For example http://tools.nasqueron.org/wikimedia/write/sourcetemplatesgenerator/ reads $_REQUEST['URL'] to offer its output.
It would be convenient to get a menu in Firefox allowing from a web page to send the URL of the current tab to a specified service, with a configurable list.
Graphical assets
- VE external link icon or VE references icon could be used as main button icon
- is to be used to retain coherence with previous source templates generator specific addon.
Firefox add-ons documentation