Browser Agent Firewall for AI SaaS: Filter Web Pages Before They Burn Tokens or Trust

If your AI agent can browse the web, every page is now part of your prompt surface. That sounds useful until the agent reads a cookie banner, a hidden instruction, a malicious support page, or a 30,000-token product listing and treats all of it like context. The failure may not look dramatic. It may simply cost too much, leak private data into a model call, click the wrong button, or produce a confident answer based on page noise. A browser agent firewall is the missing layer between the open...