The MCP 2026-07-28 Spec: Sessions Are Gone — A Migration Guide to Stateless
Published Aug 9, 2026
The Model Context Protocol 2026-07-28 revision removed the initialize handshake and Mcp-Session-Id. Here's every place you actually have to change code — server/discover, MRTR, subscriptions/listen, and Cloudflare's McpAgent deprecation — with SEP numbers.
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