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[NEW]
Bringing MCP 2026-07-28 to Claude — a stateless core, standardized extensions, and hardened auth · MCP 2026-07-28, the fifth spec release of the Model Context Protocol, is live. It moves MCP from a bidirectional stateful protocol to a stateless request/response core so servers can deploy on serverless and edge infrastructure, graduates MCP Apps and Tasks into a versioned extensions framework, and aligns authorization with production OAuth 2.0 and OIDC deployments. Support is rolling out across Claude products.