page-agent alibaba/page-agent (https://github.com/alibaba/page-agent, 17k+ stars, MIT) is an in-page GUI agent written in TypeScript. It lives inside a webpage, reads the DOM as text (no screenshots, no multi-modal LLM), and executes natural-language instructions like "click the login button, then fill username as John" against the current page. Pure client-side — the host site just includes a script and passes an OpenAI-compatible LLM endpoint. When to use this skill Load this skill when a user wants to: - Ship an AI copilot inside their own web app (SaaS, admin panel, B2B tool, ERP, CRM) —…