# Slack Send Message

> Send messages to Slack channels via webhook or API with formatting support

- Skill: `jadegate/slack-send-message` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add jadegate/slack-send-message`
- Raw SKILL.md: https://api.skillmd.com/api/skills/jadegate/slack-send-message/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: jadegate (https://skillmd.com/u/jadegate)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/jadegate/slack-send-message

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# Slack Message Sender

Send messages to Slack channels via webhook or API with formatting support

## When to Use

- User wants to slack send
- User wants to send slack
- Keywords: slack, message, chat, notification

## Required Parameters

- **webhook_url** (string): Slack webhook URL
- **text** (string): Message text

## Output

- **sent** (boolean): Whether message was sent
- **status_code** (number): HTTP response code

## Security

- Sandbox level: strict
- Max execution time: 30000ms
- Network whitelist: hooks.slack.com
- JadeGate verified: Yes (5-layer security check passed)

## Execution Flow

Entry: `build_payload` -> 5 steps -> Exit: `ret_ok`, `ret_fail`