bytelyst-devops-tools/Slack Message

Slack Message Poster CLI

A fast and simple command-line tool for posting messages to Slack channels.

Installation

1. Install dependencies:

pip install -r requirements.txt

Usage

Command Line Arguments

python slack_poster.py --token <SLACK_TOKEN> --channel <CHANNEL_ID> --message "<MESSAGE>"

Interactive Mode

If any parameter is missing, the tool will prompt you interactively:

python slack_poster.py

Examples

# Full command line
python slack_poster.py -t xoxb-1234567890-1234567890-abcdefghijklmnopqrstuvwx -c C04ABC123 -m "Hello World!"

# Interactive mode
python slack_poster.py

Parameters

• --token or -t: Slack Bot/User OAuth token (e.g., xoxb-...)
• --channel or -c: Slack channel ID (e.g., C04ABC123)
• --message or -m: Message text to post

Error Handling

The tool handles various error scenarios:

• Invalid token
• Channel not found
• Bot not in channel
• Rate limiting
• Network issues
• Empty messages

Getting Slack Credentials

1. Go to https://api.slack.com/apps
2. Create a new app or select existing one
3. Go to "OAuth & Permissions"
4. Add the chat:write scope
5. Install the app to your workspace
6. Copy the Bot User OAuth Token (starts with xoxb-)

Channel ID

To get a channel ID:

1. Open Slack in your browser
2. Navigate to the channel
3. The channel ID is in the URL: https://app.slack.com/client/T1234567890/C04ABC123
4. Use the part after /C (e.g., C04ABC123)