well not sure exactly what you mean, but:
Prat is chat addon with a copy and paste function
Tinypad and tinypadfu are a nice notebook mod that works just like a macro list and allows you to "run" the text on the page in trade or whatever channel you like
Cirk's Notebook does a very similar thing as tinypad, but sorts pages by heading
and if you just want the item link you can get GFW Linkerator. If you type [Epic Belt of PvPness] or something along those lines, it will link the epic belt of pvpness. Of course the item has to exist haha.
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