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Clarifies in Section 6.2 that general agentic browsing risks (such as indirect prompt injection from untrusted web content and cross-origin data correlation) apply broadly to agents operating on the web and require agent-level security models beyond what a single web API specification can normatively enforce.
Adds an Agent-Level Guardrails and Best Practices subsection in Section 6.4 (Mitigations) noting that agents cannot rely solely on site-asserted tool descriptions or annotations and linking out to external implementation guidance (Agent security considerations for WebMCP and Secure tools with WebMCP), as well as the proposed W3C Agentic Web Working Group Charter where broader cross-ecosystem agent policies and constraints are being explored.
Related to #313.
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