The Lua socket server usually extracted by Bizhook for use with AutoHawk in via AutoHawk-API-Client.
hook.lua is a based on OpenDisrupt's Bizhook library but is not compatible with the original API located on GitLab. Please don't bother them regarding any issues encountered when using this fork. This implementation has been completely reworked to support manual frame advancement and automated input as supported in our fork of the Bizhook API. Full credit to Maximillian Strand and Autumn for getting this originally working.
In Bizhawk, go to Tools > Lua Console. Select Open script and open hook.lua from the exported components.
If it starts successfully, you should see output in Bizhawk's Lua console stating it is running.
Note: Do not try to communicate with the socket before the text has disappeared, as it isn't actually opened yet. The message is there to make it clear that the script is running successfully.
Automatically launched with Bizhawk via AutoHawk once configured.