ChatGPT Slack Bot for Deno

This is a Slack Bot that uses the ChatGPT API to generate responses to messages in your Slack workspace. The bot is built using Deno and TypeScript, providing strong typing and a more scalable development experience.

Features

• Generates responses to messages in your Slack workspace using the ChatGPT API
• Responds to mentions and slash commands
• Support serverless hosting on Deno Deploy

Requirements

• Deno 1.31.1 or later
• ChatGPT API key
• Slack App credentials (bot token, signing secret and more)
• Deno Deploy token

Installation

1. Clone this repository:

   git clone https://github.com/snakaya/slack-chatgpt-deno.git
   cd slack-chatgpt-deno

2. Rename the .env-dist file to .env and modify its contents to match your environment. Replace the values with your own ChatGPT API key, Slack App credentials, and configuration values:

   SLACK_BOT_TOKEN=<your-slack-bot-token>
   SLACK_SIGNING_SECRET=<your-slack-signing-secret>
   SLACK_CHANNELL_NAME=<post-to-channel-name>
   SLACK_SLASHCOMMAND=<your-slash-command>
   SLACK_SLASHCOMMAND_REQUEST_PATH=<your-slash-command-path-in-request>
   OPENAI_API_KEY=<your-openai-api-key>
   SERVICE_PORT=<port-for-localtest>
   

3. Deploy your application to Deno Deploy:

   1. Create your Deno Deploy Project at New Project
   2. Add Environment Variables same as .env
   3. Deploy your application:

   export DENO_DEPLOY_TOKEN=<your-deno-deploy-token>
   deployctl deploy --project <your-deno-deploy-project-name> --prod src/index.ts

4. Create a slash command in your Slack workspace:

   • Command: /chatgpt
   • Request URL: https://<deno-deploy-domain(FQDN)>/chatgpt
   • Short description: Generate a response using the ChatGPT API
   • 'chatgpt' command be could change using .env

5. Invite the bot to a channel in your Slack workspace:

   • Setup Event Subscriptions:
     • Request URL: https://<deno-deploy-domain(FQDN)>/slack/events
     • 'Subscribe to bot events' to app_mention
   • Add OAuth Scopes:
     • app_mentions:read,channels:history, chat:write,commands,incoming-webhook

Usage

Slash command:

/chatgpt <your-question>

App Mension:

@<your-bot-name> <your-question>

License

This project is licensed under the MIT License. See the LICENSE file for details.

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This document was prepared in collaboration with ChatGPT.