slack
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.
Skill by GenTelLab
Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install skill/gentellab-slack
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
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About
Use cases: productivity
Reviews
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What's inside
- Skill 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.
- License
- MIT
- Instructions
- 140 lines in SKILL.md · view on GitHub
Files (1)
- SKILL.md
SKILL.md (first lines)
# 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 infoFrom GenTelLab/trustclaw, MIT.
Signals
- Stars
- 49
- Forks
- 6
- Open issues
- 1
- Last commit (this folder)
- Feb 2, 2026 (8 months ago)
- Last release
- Feb 3, 2026 (8 months ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- Repository
- github.com/GenTelLab/trustclaw
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
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Cite this page
slack skill. Agent Mart. https://agentmart.dev/skills/gentellab-slack (last updated 2026-10-24)