Context & Motivation AI‑assisted browsing is becoming essential to a more efficient processing of information. There is a growing gap between what Firefox can offer through extensions and what competing browsers can offer through native, privileged integration. Example: Leo AI (built directly into the browser engine) can access YouTube transcripts, PDF text layers, and other in‑page content without requiring manual copying, downloading, or workarounds. Firefox sidebar assistant cannot access information in the same way, which creates a practical limitation for Firefox users who want to summarize, analyze, or extract information from content already open in their browser. Proposal Introduce a browser‑level AI interface in Firefox that can: Access the Document Object Model of the active tab with user consent Read text from the built‑in PDF viewer Access YouTube transcripts and other structured media metadata Summarize or transform content without requiring copy/paste Operate entirely locally or through user‑selected AI providers
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