slack

slack is a skill for Claude Code from leeguooooo/chrome-use. It costs 88 tokens per session (1,932 once invoked), scanned A, original, from a forked repository, Apache-2.0.

A browser-automation skill for Slack, a workplace messaging service. It uses browser actions to read, search, extract, and send Slack content.

In plain words
What is it for?
It helps check unread channels, search conversations, extract information, navigate workspaces, and send messages.
Why use it?
It removes the need to manually navigate Slack when checking messages or performing repeated tasks.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit It helps check unread channels, search conversations, extract information, navigate workspaces, and send messages.

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Install with agentmods
npx agentmods add skills/leeguooooo/chrome-use/slack
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 leeguooooo/chrome-use --skill slack
Clone the repo
git clone --depth 1 https://github.com/leeguooooo/chrome-use

Made for: Claude Code.

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.

agentmods badge for slack

README.md
[![agentmods](https://agentmods.dev/badge/skills/leeguooooo/chrome-use/slack/github.svg)](https://agentmods.dev/skills/leeguooooo/chrome-use/slack)
Your own site
<a href="https://agentmods.dev/skills/leeguooooo/chrome-use/slack"><img src="https://agentmods.dev/badge/skills/leeguooooo/chrome-use/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.

agentmods 80×15 button for slack

Your own site · 80×15
<a href="https://agentmods.dev/skills/leeguooooo/chrome-use/slack"><img src="https://agentmods.dev/badge/skills/leeguooooo/chrome-use/slack.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 88 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,932 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 fork From a forked repository.
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00088 $0.01932
Opus 5.5 $0.00035 $0.00773
Sonnet 5.5 $0.00018 $0.00386
Haiku 4.5 $0.00009 $0.00193

Measured 8d ago against content hash 93dc25ab8505, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, 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 8d 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.

skill-data/slack/SKILL.md · 289 lines

How it starts

The opening of the file, as written. The whole thing — 289 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Slack Automation

Interact with Slack workspaces to check messages, extract data, and automate common tasks.

Quick Start

Connect to an existing Slack browser session or open Slack:

# Connect to existing session on port 9222 (typical for already-open Slack)
chrome-use connect 9222

# Or open Slack if not already running
chrome-use open https://app.slack.com

Then take a snapshot to see what's available:

chrome-use snapshot -i

Core Workflow

  1. Connect/Navigate: Open or connect to Slack
  2. Snapshot: Get interactive elements with refs (@e1, @e2, etc.)
  3. Navigate: Click tabs, expand sections, or navigate to specific channels
  4. Extract/Interact: Read data or perform actions
  5. Screenshot: Capture evidence of findings
# Example: Check unread channels
chrome-use connect 9222
chrome-use snapshot -i
# Look for "More unreads" button
chrome-use click @e21  # Ref for "More unreads" button
chrome-use screenshot slack-unreads.png

Common Tasks

Checking Unread Messages

# Connect to Slack
chrome-use connect 9222

# Take snapshot to locate unreads button
chrome-use snapshot -i

# Look for:
# - "More unreads" button (usually near top of sidebar)
# - "Unreads" toggle in Activity tab (shows unread count)
# - Channel names with badges/bold text indicating unreads

# Navigate to Activity tab to see all unreads in one view
chrome-use click @e14  # Activity tab (ref may vary)
chrome-use wait 1000
chrome-use screenshot activity-unreads.png

# Or check DMs tab
chrome-use click @e13  # DMs tab
chrome-use screenshot dms.png

# Or expand "More unreads" in sidebar
chrome-use click @e21  # More unreads button
chrome-use wait 500
chrome-use screenshot expanded-unreads.png

Navigating to a Channel

# Search for channel in sidebar or by name
chrome-use snapshot -i

# Look for channel name in the list (e.g., "engineering", "product-design")
# Click on the channel treeitem ref
chrome-use click @e94  # Example: engineering channel ref
chrome-use wait --load networkidle
chrome-use screenshot channel.png

Read the full file on GitHub · 289 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

  1. 8d ago Changed 93dc25ab8505
  2. 1mo ago First seen · 289 lines · 88 tokens per session scan A 2c5475d3d806

Subscribe to this mod's changes

slack is a skill published in the GitHub repository leeguooooo/chrome-use (202 stars, last pushed yesterday), licensed Apache-2.0. It adds 88 tokens to every session and 1,932 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. It comes from a forked repository.

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