slack-notify

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Send Slack messages via incoming webhook. Use for notifications, alerts, and status updates to Slack channels.

6installs

Sourcewinsorllc/upgraded-carnival

Added on2026-04-16

NPX Install

npx skill4agent add winsorllc/upgraded-carnival slack-notify

SKILL.md Content

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Slack Notify Skill

Send messages to Slack channels using incoming webhooks.

Setup

In Slack, go to Channel Settings → Apps → Add an App → Search "Incoming Webhooks"
Configure the webhook and copy the URL
Set as GitHub secret:
```
AGENT_LLM_SLACK_WEBHOOK_URL
```

Usage

javascript

const { sendSlackMessage } = require('./index.js');

// Simple message
await sendSlackMessage('Hello from PopeBot!');

// Formatted message with blocks
await sendSlackMessage('Job Complete', {
  blocks: [
    {
      type: 'header',
      text: { type: 'plain_text', text: '🎉 Task Completed' }
    },
    {
      type: 'section',
      text: { type: 'mrkdwn', text: 'The job finished successfully in *5 minutes*.' }
    },
    {
      type: 'actions',
      elements: [
        {
          type: 'button',
          text: { type: 'plain_text', text: 'View Logs' },
          url: 'https://example.com/logs'
        }
      ]
    }
  ]
});

// Thread reply
await sendSlackMessage('Update on above', { thread_ts: '1234567890.123456' });

Features

Plain text and formatted messages (mrkdwn)
Interactive blocks (buttons, selects, inputs)
Thread replies
User mentions (
```
<@USER_ID>
```
)
Channel mentions (
```
#channel
```
)
Attachments with colors
Custom icons and usernames

Rate Limits

Slack webhooks are rate limited. The skill includes automatic retry with exponential backoff.