AWS has updated its AgentCore Gateway to support the new Model Context Protocol (MCP) 2026-07-28 specification. This significant revision makes the MCP a stateless protocol, allowing it to scale on standard HTTP infrastructure. The update also enhances authorization by aligning with OAuth 2.0 and OpenID Connect, and introduces lifecycle guarantees to minimize future compatibility issues. Users can opt-in to the new protocol version on their AgentCore Gateway, with existing clients continuing to function without interruption. AI
IMPACT Enhances scalability and enterprise integration for AI agent communication protocols.
RANK_REASON This is a product update for an AWS service, not a release from a frontier AI lab.
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