Agent Browser Shield

Open-source browser extension that shields AI agents with 35+ safety rules and PII masking.

Browser extensionfreeglobal

An open-source browser extension that sits between browser-based AI agents and web content to mask personal data, remove hidden prompt-injection vectors, and strip page noise such as cookie banners and ads. It helps prevent sensitive information and malicious or irrelevant content from reaching models, reducing wasted tokens and aimed at AI developers and agent builders.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Agent Browser Shield - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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