Super Mario Wiki
Triggers: !mario, !mariowiki, !smw
Try it
Kagi would openhttps://www.mariowiki.com/index.php?title=Special:Search&search=stray&go=Go
Run @mario in Kagi for Kagi's own results from www.mariowiki.com only
URL pattern: https://www.mariowiki.com/index.php?title=Special:Search&search=query&go=Go
Searches www.mariowiki.com, filed under Games (specific).