Anthropic released MCP 2026-07-28, it's the largest update to the protocol since launch

MCP is now stateless, making it easier to deploy and scale remote servers.

Before, running a remote MCP server meant managing session state, which limited where you could run it.

Now that MCP is stateless, you can deploy on serverless and edge infrastructure, or scale horizontally behind any load balancer.

Extensions are also first-class a formal path to extend the protocol. Examples:

1. MCP Apps: server-rendered UIs in a sandboxed iframe

2. Tasks: long-running and async operations

3. Enterprise Managed Auth: control MCP server access centrally via your identity provider.

Also in this release: auth hardening and a formal deprecation policy.