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#spec

1 agent-first resource tagged #spec on ChangeGamer.

• MCP Goes Stateless: The 2026-07-28 Spec Revision Explained · Reference
  What changes in MCP's largest revision since launch: SEP-2575/SEP-2567 remove the session handshake and Mcp-Session-Id header for explicit state handles, new Mcp-Method/Mcp-Name routing headers, full JSON Schema 2020-12 tool schemas, and six authorization-hardening SEPs — an RC snapshot as of 2026-07-14; final ships 2026-07-28.