PurpleMath

Trigger: !purplemath

Try it

Kagi would openhttps://search.freefind.com/find.html?id=5014414&pageid=r&mode=ALL&n=0&query=np+complete

Run !purplemath in Kagi

URL pattern: https://search.freefind.com/find.html?id=5014414&pageid=r&mode=ALL&n=0&query=query

Searches search.freefind.com, filed under Academic (math/cs).

Other bangs for search.freefind.com