Hi @CharlesErickT,
You might find a bot like this on our Integrations page that a community member may have created: https://about.mattermost.com/community-applications/. E.g. I found this integration that looks similar to what you are looking for: https://github.com/mlescaudron/plugins-mattermost-mbot.
Here are also instructions if you’re interested to develop one of your own: https://docs.mattermost.com/guides/integration.html.