MCP publishes specification version 2026-07-28
Specification 2026-07-28 — making the protocol core stateless
Why it matters
Removes initialize and Mcp-Session-Id, introduces MRTR, adds server/discover, and promotes the Tasks and MCP Apps extensions
Source — Primary sources first; secondary reports are labelled “Press”
Officialblog.modelcontextprotocol.iohttps://blog.modelcontextprotocol.io/posts/2026-07-28/Added in Week 35, 2026 · See that week