slack-msg-update - SKILL.md Agent Skill

name: slack-msg-update description: Update Slack messages in threads. Use when the user wants to edit, modify, or update an existing Slack message by providing channel ID, message timestamp, and new text content. allowed-tools: Bash model: haiku

Slack Message Update

This skill updates existing Slack messages in channels or threads.

Usage

prbot slack update -c <CHANNEL_ID> -t <MESSAGE_TS> -m "<NEW_TEXT>"

Parameters

-c, --channel (required): Slack channel ID (e.g., C123456789)
-t, --ts (required): Message timestamp in Slack format (e.g., 1234567890.123456)
-m, --text (required): New message text to replace the existing content

Examples

# Update a message with new status
prbot slack update -c C07V123ABC -t 1234567890.123456 -m "Task completed successfully!"

# Update with markdown formatting
prbot slack update -c C07V123ABC -t 1234567890.123456 -m "*Bold text* and _italic text_"

Notes

The bot must have already posted the original message to update it
Requires chat:write Slack OAuth scope
Supports Slack's mrkdwn formatting