New Enterprise-Ready MCP Specification Brings New Security Challenges
MCP is evolving from a single-user server to an enterprise-ready server fit for expanded cloud-native AI usage. Companies have 12 months to get ready.
The model concept protocol (MCP) began life as a local, single-user AI integration tool. It was introduced by Anthropic in 2024 and has since become the de facto standard for connecting AI agents to business tools.
On July 28, 2026, it will transition to a new version: MCP 2026-07-28, allowing a 12 month deprecation window for legacy versions. The new MCP introduces a platform able to support enterprise-scale, cloud-native deployments.
“The headline change is that MCP is now stateless at the protocol layer. Six Specification Enhancement Proposals (SEPs) work together to get there,” announced the Model Context Protocol Blog while publishing the release candidate on May 21, 2026.
“The release candidate is locked as of May 21, 2026. The final specification will be published on...
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