There's a general Pokémon speedrunning discord (with a channel for Let's Go) here:

Originally posted by "Keizaron"All new users to the PSR Discord will be restricted to one channel until they are "approved". This helps bypass having to co-ordinate sending invite links over and over. Everybody should have access to a channel named #join-psr; please post the following:

1) Your Twitch handle
2) The games you currently run
3) The games you plan to learn
4) Why Keizaron is a meme among men

Click on this link to apply!

I was thinking the same thing 🙂