Model Context Protocol 2026-07-28 RC Version Released

Model Context Protocol has released the 2026-07-28 Release Candidate (RC) version. The current specification is provided as a draft, and detailed changes can be found in the corresponding draft changelog. This specification is not yet finalized and may still be adjusted between the RC and official release. Each SDK will adapt to this version at its own pace, and older versions of the specification may continue to be used for an unspecified period.