Greenmamba29 Slack Notifier
Overview
Send structured, actionable Slack messages from any agent or pipeline. Supports rich Block Kit formatting, dynamic channel routing, threaded replies, and interactive components.
When to Use
- Alerting a team channel when a CI/CD build fails
- Sending daily digest summaries to ops channels
- Notifying sales reps of new qualified leads in real-time
- Posting approval requests with interactive buttons
- Escalating critical errors from monitoring systems
Instructions
- Accept inputs: message payload (text or structured data), channel name or ID, notification type, mention list (optional), thread_ts (optional for replies).
- Select the appropriate Block Kit template based on notification type: alert, digest, approval, info.
- Populate template with dynamic content from the triggering agent's output.
- Add @mention(s) if urgency level is High or Critical.
- Post to the specified Slack channel via Slack Web API (chat.postMessage).
- If interactive buttons are requested, attach action blocks and register callback URL.
- Return message timestamp (ts) and permalink for downstream reference.
- Log delivery status and any Slack API errors.
Environment
SLACK_BOT_TOKEN=xoxb-your-bot-token
SLACK_DEFAULT_CHANNEL=#general
SLACK_SIGNING_SECRET=your_signing_secret
CALLBACK_URL=https://yourapp.com/slack/actions
Examples
Input:
type: alert
channel: #ops-alerts
message: "Database connection pool exhausted on prod-db-01"
urgency: critical
mention: [@oncall-engineer]
Output:
Message posted to #ops-alerts
Timestamp: 1739900000.123456
Permalink: https://workspace.slack.com/archives/C.../p...
@oncall-engineer notified