Anthropic ships MCP’s biggest update yet, making the protocol stateless
thesaraharminta · x · 2026-07-29
Anthropic says the latest MCP release is now live and is the biggest update to the protocol since launch.
The spec moves MCP to a stateless core, which makes remote servers easier to deploy and scale, especially on serverless and edge infrastructure. It also adds standardized extensions for interactive UIs and long-running tasks, and hardens authorization to align with production OAuth 2.0 and OIDC deployments such as Entra and Okta. Anthropic says MCP has passed 400 million monthly SDK downloads.
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