slack-message-formatter

# Slack Message Formatter Format messages for Slack with pixel-perfect accuracy. Converts Markdown to Slack-compatible output with two delivery paths: 1. **Copy-paste** — Rich HTML that preserves formatting when pasted into Slack's compose box 2. **API/Webhook** — Slack mrkdwn syntax for bots, automation, and CI/CD ## When to Use This Skill - User asks to write a Slack message, announcement, or notification - User asks to format something "for Slack" - User wants to preview how a message will look in Slack - User wants to send a message via Slack webhook - User has Markdown content they want to share in Slack ## What This Skill Does 1. **Generates content in Markdown** — Claude writes the message in standard Markdown, its native format 2. **Converts to Rich HTML** — Transforms Markdown into rich HTML that preserves formatting when pasted into Slack's compose box 3. **Converts to Slack mrkdwn** — Transforms Markdown into Slack's proprietary mrkdwn syntax for API/webhook delivery 4. **Generates a Slack-themed preview** — Creates an HTML preview page styled like the Slack UI and opens it in the browser 5. **Copies to clipboard** — Automatically copies the rich HTML to the system clipboard for one-step paste into Slack ## How to Use ### Basic Usage ``` Write a Slack message announcing our Q2 product launch ``` ``` Format this for Slack: We shipped 3 new features this week... ``` ``` Create a Slack announcement for the engineering team about the new CI pipeline ``` ###...