ToolsJuly 28, 2026via AWS Machine Learning Blog
How AgentCore Gateway supports the MCP 2026-07-28 spec
Why it matters
The Model Context Protocol's largest revision since launch introduces stateless architecture and governed extensions, with immediate adoption available on AWS Bedrock—a critical infrastructure shift for teams building production AI agents.
Key signals
- MCP 2026-07-28 spec is largest revision since launch
- Protocol now stateless architecture
- Governed extensions system introduced
- Hardened authorization model
- Available on Amazon Bedrock AgentCore Gateway
- Single UpdateGateway API call to enable
The hook
MCP 2.0 just went stateless. Here's what that means for your agent stack.
The Model Context Protocol (MCP) published its 2026-07-28 specification, the largest revision since launch: MCP is now stateless, with a governed extensions system and hardened authorization. Learn what changed and how to enable the new version on Amazon Bedrock AgentCore Gateway with a single Updat…