How AgentCore Gateway supports the MCP 2026-07-28 spec
AWS Machine Learning announced that Amazon Bedrock AgentCore Gateway supports the Model Context Protocol 2026-07-28 specification. This update marks the largest protocol revision since launch, turning MCP stateless while adding a governed extensions system and hardened authorization. Users can enable the new release on Amazon Bedrock AgentCore Gateway with a single UpdateGateway call.
Key Takeaways
- The Model Context Protocol has released its 2026-07-28 specification, which stands as the largest structural revision to the standard since its initial launch.
Under this updated specification, the protocol transitions to a stateless architecture, incorporates a governed extensions system, and introduces hardened authorization mechanisms to enhance security across connected systems.
- Developers managing these gateways can transition to the revised version by executing a single UpdateGateway command.
This upgrade path demonstrates how managed infrastructure can quickly adopt major updates to foundational agent communication standards.
- The Model Context Protocol released its 2026-07-28 specification, marking its largest revision since launch.
The revised protocol transitions to a stateless architecture, incorporates a governed extensions system, and hardens authorization.
- Amazon Bedrock AgentCore Gateway allows developers to adopt the new version using a single UpdateGateway call.
- AWS Machine Learning supports this updated specification directly within Amazon Bedrock AgentCore Gateway.
Stats & Key Facts
- #AWS Machine Learning announced that Amazon Bedrock AgentCore Gateway supports the Model Context Protocol 2026-07-28 specification.
- #The Model Context Protocol has released its 2026-07-28 specification, which stands as the largest structural revision to the standard since its initial launch.
- #The Model Context Protocol released its 2026-07-28 specification, marking its largest revision since launch.

The Model Context Protocol has released its 2026-07-28 specification, which stands as the largest structural revision to the standard since its initial launch. Under this updated specification, the protocol transitions to a stateless architecture, incorporates a governed extensions system, and introduces hardened authorization mechanisms to enhance security across connected systems. AWS Machine Learning supports this updated specification directly within Amazon Bedrock AgentCore Gateway.
Developers managing these gateways can transition to the revised version by executing a single UpdateGateway command. This upgrade path demonstrates how managed infrastructure can quickly adopt major updates to foundational agent communication standards. The Model Context Protocol released its 2026-07-28 specification, marking its largest revision since launch.
For more details please read the original article at AWS Machine Learning.
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