Thank you

.NET Slack API: https://github.com/soxtoby/SlackNet
.NET LLM Wrappings: https://github.com/SciSharp/LLamaSharp
LLM instructions: https://blog.maartenballiauw.be/post/2023/06/15/running-large-language-models-locally-your-own-chatgpt-like-ai-in-csharp.html

SlackAI

Slack LLM app integration

Socket connection so you don't need a legitimate URL (you can host it on-premises)
Uses /ai slash command for asking questions
Uses /gen slash command for generating images

Set-up

Set-up a Slack App and get API tokens: https://api.slack.com/authentication/basics
For DALL-E/Open AI support, you'll need to set-up a resource in Azure
Enable socket connection and slash commands for your slack app
Download some LLM files
Put your LLM path and API keys into your program and have fun