These Nightbot commands are code running on my servers. No need to write anything or have your own server.
DESTINY 2 XUR
This will list the Destiny 2 Xur items in the chat.
!addcom !xur $(urlfetch https://l0r3.net/bots/nightbot/xur_d2.php)
Puts a Destiny related pun into the chat.
!addcom !pun $(urlfetch https://l0r3.net/bots/nightbot/random_destiny_puns.php)