slack-send

name	slack-send
description	Send a message to a Slack channel or DM via the Slack Web API
metadata	{"CARNELIAN":{"emoji":"💼","requires":{"env":["SLACK_BOT_TOKEN"]},"primaryEnv":"SLACK_BOT_TOKEN"},"carnelian":{"runtime":"node","version":"1.0.0","sandbox":{"network":"full","resourceLimits":{"maxMemoryMB":128,"maxCpuPercent":25,"timeoutSecs":15},"env":{"SLACK_BOT_TOKEN":"${SLACK_BOT_TOKEN}"}},"capabilities":["net.http"]}}

slack-send

Send a message to a Slack channel or DM via the Slack Web API.

Ported from CARNELIAN slack-actions.ts.

Input

{
  to: string;           // Required: channel ID or name (e.g. "#general" or "C1234567890")
  content: string;      // Required: message content
  threadTs?: string;    // Optional: thread timestamp to reply in thread
  mediaUrl?: string;    // Optional: media URL to attach
}

Output

{
  ok: true;
  ts: string;       // Message timestamp (unique ID)
  channel: string;  // Channel ID where message was sent
}

Notes

• Supports channel IDs (e.g. "C1234567890") or channel names (e.g. "#general")
• For full action surface (edit, delete, reactions, etc.), reference CARNELIAN slack-actions.ts
• Bot must have chat:write scope and access to the target channel
• Media attachments are added via the attachments field