SKILL.md

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slack

Author：openclaw

Category：

Development

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name: slack

description: Use when you need to control Slack from OpenClaw via the slack tool, including reacting to messages or pinning/unpinning items in Slack channels or DMs.

metadata: { "openclaw": { "emoji": "💬", "requires": { "config": ["channels.slack"] } } }

Slack Actions

Overview

Use slack to react, manage pins, send/edit/delete messages, and fetch member info. The tool uses the bot token configured for OpenClaw.

Inputs to collect

channelId and messageId (Slack message timestamp, e.g. 1712023032.1234).
For reactions, an emoji (Unicode or :name:).
For message sends, a to target (channel:<id> or user:<id>) and content.

Message context lines include slack message id and channel fields you can reuse directly.

Actions

Action groups

Action group	Default	Notes
reactions	enabled	React + list reactions
messages	enabled	Read/send/edit/delete
pins	enabled	Pin/unpin/list
memberInfo	enabled	Member info
emojiList	enabled	Custom emoji list

React to a message

json

{
  "action": "react",
  "channelId": "C123",
  "messageId": "1712023032.1234",
  "emoji": "✅"
}

List reactions

json

{
  "action": "reactions",
  "channelId": "C123",
  "messageId": "1712023032.1234"
}

Send a message

json

{
  "action": "sendMessage",
  "to": "channel:C123",
  "content": "Hello from OpenClaw"
}

Edit a message

json

{
  "action": "editMessage",
  "channelId": "C123",
  "messageId": "1712023032.1234",
  "content": "Updated text"
}

Delete a message

json

{
  "action": "deleteMessage",
  "channelId": "C123",
  "messageId": "1712023032.1234"
}

Read recent messages

json

{
  "action": "readMessages",
  "channelId": "C123",
  "limit": 20
}

Pin a message

json

{
  "action": "pinMessage",
  "channelId": "C123",
  "messageId": "1712023032.1234"
}

Unpin a message

json

{
  "action": "unpinMessage",
  "channelId": "C123",
  "messageId": "1712023032.1234"
}

List pinned items

json

{
  "action": "listPins",
  "channelId": "C123"
}

Member info

json

{
  "action": "memberInfo",
  "userId": "U123"
}

Emoji list

json

{
  "action": "emojiList"
}

Ideas to try

React with ✅ to mark completed tasks.
Pin key decisions or weekly status updates.

Actions

install --global skills.sh

npx skills add openclaw/openclaw/skills/slack

Usage Guide

1. Run Install Command
Copy the installation command above and run it in your terminal to install globally.
2. Configure Environment
Add the required environment variables to your MCP client according to the skill description.
3. Use in Client
Configure and enable this skill in any MCP-compatible app (e.g. Claude or Cursor).