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slack-messaging

Send and read Slack messages and manage channels via slackcli.

1|Updated Feb 24, 2026
Search Tags:#automation#messaging#testing#cli#notifications#slack
One-click install
npx skills add https://github.com/FacuM/yolo-agent --skill slack-messaging-facum
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: slack-messaging
Source: https://github.com/FacuM/yolo-agent/tree/main/.claude/skills/slack-messaging
Command: npx skills add https://github.com/FacuM/yolo-agent --skill slack-messaging-facum

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill enables seamless interaction with Slack workspaces directly from the command line, automating message sending, channel checking, and integration testing without needing to build a dedicated Slack app.

Core Features & Use Cases

  • Send Messages: Post messages to public channels, private channels, and direct messages.
  • Read Messages: Retrieve message history from channels and threads.
  • List Channels: Discover channel IDs for targeted messaging.
  • Test Integrations: Verify bot messages and perform round-trip message tests.

Quick Start

Use the slack-messaging skill to send a message to the channel with ID C0XXXXXXXX with the text "Hello from CLI".

Frequently Asked Questions about slack-messaging

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I send Slack messages from the command line without building a Slack app?▼

You can send Slack messages from the command line by using this Skill to automate posting text to public channels, private channels, and direct messages without needing a dedicated Slack app. It requires slackcli for all operations.

Can I read Slack channel message history and thread replies via CLI?▼

Yes, you can read Slack channel message history and thread replies via CLI. This Skill retrieves message history from specified channels and threads to help you monitor conversations directly from the command line.

Does this Slack CLI tool support multi-workspace authentication?▼

Yes, this Slack CLI tool supports multi-workspace authentication. It manages authentication for multiple Slack workspaces using browser session tokens, allowing you to switch contexts without complex API setup.

What is the best way to test Slack bot integrations and automated notifications?▼

The best way to test Slack bot integrations is using this Skill to verify bot messages and perform round-trip message tests. It automates checking if your Slack notifications are delivered correctly to target channels.

How do I find the channel ID needed for Slack messaging automation?▼

You can find the channel ID needed for Slack messaging automation by listing channels with this Skill. It discovers and lists channel IDs so you can target specific channels for automated messaging tasks.

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