The 2026-07-28 MCP Specification Release CandidateThe release candidate for the next Model Context Protocol (MCP) specification is now available: a stateless protocol core, the Extensions framework, Tasks, MCP Apps, authorization hardening, and a formal deprecation policy. May 21, 2026 · 9 min · David Soria Parra (Lead Maintainer), Den Delimarsky (Lead Maintainer) The release candidate for MCP 2026-07-28 is now available. It is the largest revisi
