A Slack control tool for reading and managing messages, reactions, pins, members, and custom emoji in channels or direct messages.

Use it to send, edit, or delete messages, react to messages, manage pins, and look up member or emoji information.

It lets an agent handle routine Slack updates without switching to the Slack app or manually finding message identifiers.

slack — Skill for Claude Code and Codex by djblack1209-coder

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add djblack1209-coder/OpenClaw-Bot --skill slack

Clone the repo

git clone --depth 1 https://github.com/djblack1209-coder/OpenClaw-Bot

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/djblack1209-coder/openclaw-bot/slack/github.svg)](https://agentmods.dev/skills/djblack1209-coder/openclaw-bot/slack)

Your own site

<a href="https://agentmods.dev/skills/djblack1209-coder/openclaw-bot/slack"><img src="https://agentmods.dev/badge/skills/djblack1209-coder/openclaw-bot/slack/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/djblack1209-coder/openclaw-bot/slack"><img src="https://agentmods.dev/badge/skills/djblack1209-coder/openclaw-bot/slack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 739 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin 81% copy Near-identical to another mod in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00037	$0.00739
Opus 5	$0.00018	$0.00369
Sonnet 5	$0.00007	$0.00148
Haiku 4.5	$0.00004	$0.00074

Measured 5d ago against content hash e3bf25727b1f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

slack scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

81% identical to slack — 8 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

packages/openclaw-npm/skills/slack/SKILL.md · 145 lines

How it starts

The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.

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

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

List reactions

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

Send a message

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

Edit a message

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

Delete a message

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

Read recent messages

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

Pin a message

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

Unpin a message

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

List pinned items

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

Member info

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

Read the full file on GitHub · 145 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

5d ago First seen · 145 lines · 37 tokens per session scan A e3bf25727b1f

Subscribe to this mod's changes

slack is a skill published in the GitHub repository djblack1209-coder/OpenClaw-Bot (5 stars, last pushed 4d ago), licensed Apache-2.0. It adds 37 tokens to every session and 739 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 81% identical to slack, differing in 8 lines, and is treated as a copy.

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