Open Comet

Why browser agents must be privacy-first, not privacy-later

Most AI browsers ship the agent first and bolt privacy on afterwards. We flipped the order: a fail-closed firewall that redacts faces, credentials and PII on-device — before any model is involved. If the pipeline breaks, the agent sends a blank frame. Never your pixels.

This article is part of the Open Comet blog — research-backed writing about privacy-first browser agents, with citations to peer-reviewed papers, official standards and repository files. The interactive version of this article (syntax-highlighted code, inline figures and a linked citation list) is available in the app.

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