Moli: A Rust-Built Browser Engine Designed Specifically for AI Agents

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Moli is a new browser engine built from the ground up to serve AI agents rather than human users, prioritising task efficiency, structural parsing, and low resource consumption. Unlike Chrome, which continuously maintains rendering state to keep pages visually ready, Moli only performs layout and painting when strictly necessary — such as for screenshots or coordinate-based clicks. By default, it loads HTML, JavaScript, and CSS while skipping images and media unless the agent explicitly requests them, reducing bandwidth and CPU overhead. The engine is written in Rust and supports standard protocols including CDP, WebDriver Classic, and WebDriver BiDi, allowing tools like Playwright, BrowserUse, and Selenium to connect without additional drivers. Moli can return page content directly as Markdown, JSON, DOM, or a semantic tree, reflecting a fundamentally different design philosophy from general-purpose browsers.

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