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NagyVikt
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slack-outgoing-message

Format Slack messages, drafts, and canvases with mention resolution.

2|Updated Mar 29, 2026
Search Tags:#automation#messaging#collaboration#communication#slack#drafting
One-click install
npx skills add https://github.com/NagyVikt/codex-plugins --skill slack-outgoing-message-nagyvikt
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: slack-outgoing-message
Source: https://github.com/NagyVikt/codex-plugins/tree/main/plugins/slack/skills/slack-outgoing-message
Command: npx skills add https://github.com/NagyVikt/codex-plugins --skill slack-outgoing-message-nagyvikt

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes assets (resource) components.

What problem does it solve?

This skill eliminates the friction of drafting and formatting Slack messages by ensuring your communications are perfectly structured, correctly mentioned, and aligned with Slack's specific Markdown requirements.

Core Features & Use Cases

  • Context-Aware Drafting: Automatically formats text for direct sends, threads, or drafts based on your specific intent.
  • Smart Mention Resolution: Safely resolves user and group mentions to ensure notifications reach the right people without manual lookup.
  • Use Case: You need to summarize a project update in a thread and tag the engineering lead; this skill handles the formatting, ensures the thread timestamp is correct, and validates the mention syntax before you hit send.

Quick Start

Use the slack-outgoing-message skill to draft a project update in the engineering channel and mention the team lead.

Frequently Asked Questions about slack-outgoing-message

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I format Slack messages to ensure mentions and threads are correct?▼

Slack message formatting is standardized by enforcing specific Markdown requirements and validating mention syntax. This ensures drafts, thread replies, and canvases are perfectly structured and notifications reach the right people.

What is the best way to draft a Slack canvas collaboratively?▼

Drafting a Slack canvas is handled through context-aware composition that aligns with Slack's specific Markdown. The skill supports collaborative document creation while ensuring destination context is validated for operational safety.

Can I schedule Slack message delivery and reply in existing threads?▼

Yes, scheduled delivery and thread replies are supported for complex communication workflows. The skill automatically formats the text based on your intent, whether sending directly, scheduling, or replying within a thread.

Does this approach prevent unauthorized broad notifications in Slack channels?▼

Yes, operational safety is ensured by validating destination context and preventing unauthorized broad notifications. The smart mention resolution safely targets specific users and groups without triggering unwanted channel-wide alerts.

How do I tag a specific user in a Slack project update without manual lookup?▼

Tag users in a Slack project update using smart mention resolution. The system automatically resolves user and group mentions, ensuring notifications reach the correct people without requiring manual ID lookup.

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