Migrate
MCP 2026-07-28 removed protocol sessions and the initialize handshake. Many tutorials still show the older shape. The guides here explain what to change and what still works during the deprecation window.
Guides
Section titled “Guides”- Migrate from 2025-11-25 to 2026-07-28: checklists for servers and clients, and which SDK setups stay on the old protocol.
- TypeScript SDK v1 to v2: the codemod, a tested before-and-after example, and the zod 4 and
serveStdio()traps. - From HTTP+SSE to Streamable HTTP: the three generations of MCP over HTTP and how to move off SSE.
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