mediar-ai/packages/skills/skills/slack-automator
packages/skills/skills/slack-automator/SKILL.md
# Slack Message Automator Schedule and automate Slack messages with rich formatting and attachments. ## Prerequisites - Slack desktop app installed, OR - Chrome browser with Slack web open - Logged into the target workspace ## Instructions 1. Open Slack: **Desktop App:** - Activate the Slack application - Verify workspace is loaded **Web Version:** - Navigate to `app.slack.com` - Confirm logged in to correct workspace 2. Navigate to target channel/DM: a. Use Quick S
$ install --global
skillsauthnpx skillsauth add mediar-ai/skillhubz packages/skills/skills/slack-automatorInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 19, 2026, 4:23 AM28.3s2 files scanned
SKILL.md
Slack Message Automator
Schedule and automate Slack messages with rich formatting and attachments.
Prerequisites
- Slack desktop app installed, OR
- Chrome browser with Slack web open
- Logged into the target workspace
Instructions
-
Open Slack:
Desktop App:
- Activate the Slack application
- Verify workspace is loaded
Web Version:
- Navigate to
app.slack.com - Confirm logged in to correct workspace
-
Navigate to target channel/DM:
a. Use Quick Switcher:
- Press Cmd/Ctrl + K
- Type channel name or person's name
- Press Enter to select
b. Verify correct destination:
- Check channel name in header
- Confirm you have permission to post
-
Compose the message:
a. Click the message input field
b. Type the message content:
- Support markdown formatting:
- bold with asterisks
- italic with underscores
codewith backticks-
quotes with greater than
- Add emoji with :emoji_name:
- Mention users with @username
- Link channels with #channel
c. For attachments:
- Click the + button
- Select file to upload
- Add optional comment
- Support markdown formatting:
-
For scheduled messages:
a. Instead of Send, click the dropdown arrow b. Select "Schedule for later" c. Choose date and time d. Confirm scheduling
-
Send or schedule the message:
- Click Send button (or press Cmd/Ctrl + Enter)
- Wait for confirmation
-
Verify delivery:
- Check message appears in channel
- For scheduled: verify in "Scheduled" section
Error Handling
- If channel not found, list available channels
- If no permission to post, inform user
- If attachment too large, suggest alternatives
- If rate limited, wait and retry
Notes
- Respects workspace message formatting settings
- Scheduled messages can be edited before sending
- For recurring messages, consider Slack Workflow Builder
- Thread replies: click "Reply in thread" first
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