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@manzoid2/browser-tools

v1.0.3

Published

Minimal Puppeteer-based browser automation toolkit for AI coding agents

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Maintainers

manzoid2manzoid2

Keywords

puppeteerbrowserautomationaiagent

Readme

Browser Tools

Minimal Puppeteer-based browser automation toolkit for AI coding agents. Inspired by Mario Zechner's approach.

Installation

# Install globally
npm install -g @manzoid2/browser-tools

# Or use directly with npx
npx @manzoid2/browser-tools <command>

Quick Start

# Start browser
browser-start

# Navigate to a page
browser-navigate https://example.com

# Execute JavaScript
browser-evaluate "document.title"

# Take screenshot
browser-screenshot test.png

Philosophy

Instead of heavy MCP servers, these are simple bash-callable scripts that leverage the agent's existing JavaScript knowledge. Total documentation: ~225 tokens vs 13k+ for MCP equivalents.

Tools

browser-start [profile] [--copy-profile] [--size=WxH]

Launches Chrome with remote debugging on port 9222.

browser-start                           # Default profile, 1440x900 window
browser-start work                      # Named profile
browser-start work --copy-profile       # Copy Chrome profile for authenticated sessions
browser-start --size=1920x1080          # Custom window size
browser-start work --size=1280x720      # Named profile + custom size

browser-navigate [--new-tab]

Navigate to a URL.

browser-navigate https://example.com
browser-navigate https://example.com --new-tab

browser-evaluate "" | --file

Execute JavaScript in the current page context.

browser-evaluate "document.title"
browser-evaluate "document.querySelectorAll('a').length"
browser-evaluate --file script.js

browser-screenshot [output-path] [--full-page]

Capture screenshot of current page.

browser-screenshot
browser-screenshot output.png
browser-screenshot output.png --full-page

Usage with Claude Code

Once installed globally, Claude can use these tools directly via Bash without needing to add any directories.

Why This Over MCP?

  • Token efficient: Minimal docs, agent already knows JavaScript
  • Composable: Output goes to disk, can be chained
  • Extensible: Add new tools easily without versioning hell
  • Simple: Just Node.js scripts, no protocol layer