ReddRadar
Agent skill
slack-formatting
Format messages correctly for Slack using mrkdwn syntax. Use this skill when sending messages to Slack channels or DMs via the AI agent. Covers the differences between standard Markdown and Slack mrkdwn, including bold (*single asterisks*), italic (_underscores_), code formatting, links, and emoji shortcodes. Use when asked to "send a Slack message", "format for Slack", or when composing any Slack communication.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/slack-formatting
SKILL.md
Slack Message Formatting
Slack uses mrkdwn format, NOT standard Markdown.
Text Formatting
| Style | Slack mrkdwn | Standard Markdown (WRONG) |
|---|---|---|
| Bold | *text* |
**text** |
| Italic | _text_ |
*text* |
Code |
`text` |
`text` ✓ |
~text~ |
~text~ ✓ |
Headers
Slack does NOT support markdown headers.
- ❌ Wrong:
## Header - ✅ Correct: Use
*Bold Text*with line breaks
Links
Format: <url|link text>
Example: <https://jira.example.com|View in Jira>
Auto-link: <https://example.com>
Lists
- Bullet points:
• itemor- item - Numbered lists:
1. item
Code Blocks
Use triple backticks (same as standard markdown)
Block Quotes
> This is a quote
Common Emoji Shortcodes
| Shortcode | Emoji |
|---|---|
:white_check_mark: |
✅ |
:warning: |
⚠️ |
:rocket: |
🚀 |
:fire: |
🔥 |
:thinking_face: |
🤔 |
:tada: |
🎉 |
:x: |
❌ |
Example Comparison
❌ Wrong (Standard Markdown)
## **Breakdown by Status:**
### 🔨 **In Progress (2 issues)**
- **PROJ-25519** - Create analytics events (Tom)
- **PROJ-26838** - Export Case Details (Unassigned)
✅ Correct (Slack mrkdwn)
*Breakdown by Status:*
*🔨 In Progress (2 issues):*
• `PROJ-25519` - Create analytics events (Tom)
• `PROJ-26838` - Export Case Details (Unassigned)
*✅ Ready for Deployment (2 issues):*
• `PROJ-25731` - HPO term fix (Daniel)
• `PROJ-25607` - Fix text highlighting (Amitai)
MCP Tools
ai_first_slack_send_dm- Send direct messageai_first_slack_send_channel_message- Send to channelai_first_slack_lookup_user_by_email- Look up user
Verification Checklist
- Bold text uses
*single asterisks* - No
##header symbols visible - Issue keys appear in monospace with backticks
- Emoji render properly
- Links use
<url|text>format
Recommended Agent Skills
Expand your agent's capabilities with these related and highly-rated skills.
majiayu000/claude-skill-registry
agent-ops-spec
Manage specification documents in .agent/specs/. Use when user provides requirements, acceptance criteria, or feature descriptions that need to be tracked and validated against implementation.
majiayu000/claude-skill-registry
agent-ops-state
Maintain .agent state files. Use at session start, after meaningful steps, and before concluding: read/update constitution/memory/focus/issues/baseline consistently.
majiayu000/claude-skill-registry
agent-ops-spec
Manage specification documents in .agent/specs/. Use when user provides requirements, acceptance criteria, or feature descriptions that need to be tracked and validated against implementation.
majiayu000/claude-skill-registry
agent-ops-testing
Test strategy, execution, and coverage analysis. Use when designing tests, running test suites, or analyzing test results beyond baseline checks.
majiayu000/claude-skill-registry
agent-ops-testing
Test strategy, execution, and coverage analysis. Use when designing tests, running test suites, or analyzing test results beyond baseline checks.
majiayu000/claude-skill-registry
agent-ops-state
Maintain .agent state files. Use at session start, after meaningful steps, and before concluding: read/update constitution/memory/focus/issues/baseline consistently.
Didn't find tool you were looking for?