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vercel-labs/agent-browserOfficial

Automates Slack through browser sessions instead of requiring API setup or bot tokens. Connects to your already-open Slack workspace, checks unread channels across DMs and regular channels, extracts message content, and navigates between conversations. Generates screenshots of your unreads and can search chat history or pull specific thread data. More reliable than trying to wrangle Slack's API permissions for simple tasks like "what did I miss" or grabbing content from specific channels. Works by taking accessibility tree snapshots and clicking elements, so it sees exactly what you'd see in the browser.

skills.sh installs
14.1K
GitHub stars
29.3K
View on GitHub

Install

$ npx -y skills add vercel-labs/agent-browser --skill slack --agent claude-code

Installs into .claude/skills of the current project.

Files

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)
agent-browser connect 9222

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

Then take a snapshot to see what's available:

agent-browser 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
agent-browser connect 9222
agent-browser snapshot -i
# Look for "More unreads" button
agent-browser click @e21  # Ref for "More unreads" button
agent-browser screenshot slack-unreads.png

Common Tasks

Checking Unread Messages

# Connect to Slack
agent-browser connect 9222

# Take snapshot to locate unreads button
agent-browser snapshot -i
SKILL.md on GitHub

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Details

Repository
github.com/vercel-labs/agent-browser
Categories
AI & Agent Building, Automation & Workflows, Cloud & Infrastructure

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