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Puppeteer
Puppeteer is a JavaScript library which provides a high-level API to control Chrome or Firefox over the DevTools Protocol or WebDriver BiDi. Puppeteer runs in the headless (no visible UI) by default
Get started | API | FAQ | Contributing | Troubleshooting
Installation
npm i puppeteer # Downloads compatible Chrome during installation. npm i puppeteer-core # Alternatively, install as a library, without downloading Chrome.
MCP
Install chrome-devtools-mcp,
a Puppeteer-based MCP server for browser automation and debugging.
Puppeteer also supports the experimental WebMCP API.
Example
import puppeteer from 'puppeteer'; // Or import puppeteer from 'puppeteer-core'; // Launch the browser and open a new blank page. const browser = await puppeteer.launch(); const page = await browser.newPage(); // Navigate the page to a URL. await page.goto('https://developer.chrome.com/'); // Set the screen size. await page.setViewport({width: 1080, height: 1024}); // Open the search menu using the keyboard. await page.keyboard.press('/'); // Type into search box using accessible input name. await page.locator('::-p-aria(Search)').fill('automate beyond recorder'); // Wait and click on first result. await page.locator('.devsite-result-item-link').click(); // Locate the full title with a unique string. const textSelector = await page .locator('::-p-text(Customize and automate)') .waitHandle(); const fullTitle = await textSelector?.evaluate(el => el.textContent); // Print the full title. console.log('The title of this blog post is "%s".', fullTitle); await browser.close();