Puppeteer Screenshot Diff Engine

Visual regression testing using Puppeteer page.screenshot() with pixelmatch comparison. Leverages CDP sessions via page.createCDPSession() for precise viewport emulation and network throttling.

Puppeteer Screenshot Diff Engine

Visual regression testing using Puppeteer page.screenshot() with pixelmatch comparison. Leverages CDP sessions via page.createCDPSession() for precise viewport emulation and network throttling.

Installation

Method 1, Agent Skill Exchange

Method 2, Git clone

git clone https://github.com/agentskillexchange/skills.git && cd skills/skills/puppeteer-screenshot-diff-engine

Method 3, Download ZIP

  • Download the repository ZIP and extract skills/puppeteer-screenshot-diff-engine.

Method 4, Manual copy

  • Copy this skill folder into your local skills directory, then reload your agent tooling.

Method 5, Fork and sync

  • Fork the repository if you want to maintain local edits while syncing upstream changes.

Source