Meet Alibaba’s Page Agent: A JavaScript In-Page GUI Agent That Controls Web Interfaces With Natural Language Through the DOM
Most browser automation runs from the outside. Playwright, Puppeteer, Selenium, and browser-use all drive a browser from an external process. They read the page through screenshots or the Chrome DevTools Protocol. Alibaba’s Page Agent takes the opposite path. The agent lives inside the webpage as plain JavaScript. It reads the live DOM as text and acts as the real user. No headless browser, no screenshots, no multi-modal model. The project is open-source under the MIT license. The c
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Page Agent is a software tool that runs inside web pages as JavaScript code and can perform actions like clicking buttons and filling forms when given natural language commands. Unlike traditional browser automation tools that control websites from outside by reading screenshots, Page Agent reads the page's underlying code structure (called the DOM) as text and operates as if a real user were interacting with it. This approach works with any text-based language model through an OpenAI-compatible connection and is best suited for adding AI assistants to applications that developers control, such as internal tools or customer-facing products, rather than for automating external websites.
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