Slack Messaging Best Practices This skill provides guidance for composing well-formatted, effective Slack messages. When to Use Apply this skill whenever composing, drafting, or helping the user write a Slack message — including when using , , or . Slack Formatting (mrkdwn) Slack uses its own markup syntax called mrkdwn , which differs from standard Markdown. Always use mrkdwn when composing Slack messages: | Format | Syntax | Notes | |--------|--------|-------| | Bold | | Single asterisks, NOT double | | Italic | | Underscores | | Strikethrough | | Tildes | | Code (inline) | | Backticks | |…