It is possible, although a browser extension could still be provided for convenience. One way would be to add a command to the IRC server which will determine w

It is possible, although a browser extension could still be provided for convenience. One way would be to add a command to the IRC server which will determine what channel to use for a given URL, I suppose. The user can then copy it from the browser by themself, if they do not have the browser extension to do that automatically.