Mattermost Plugin ChatGPT is a third party developed (NOT by OpenAI or Mattermost) plugin for using ChatGPT as a chat robot in Mattermost Clients, starting with the trigger word #chatgpt followed by a prompt, a user-defined robot called chatgpt will give its response using OpenAI's API.
How to use
User should have the admin access to your Mattermost server
Upload the plugin's tar.gz file through Mattermost System Console
Create a bot account with the admin access and write down its name and access token(NOT the token id, only visible once when being created)
Fill information in the Plugin's Admin Console
First you need to get a OpenAI's API Key
Fill the Bot Account's access token and user name
Fill the Proxy URL, it should be "https://api.openai.com" by default