M Model Context Protocol Blog company blog

MCP 2026-07-28 Specification: transport going stateless

blog.modelcontextprotocol.io published 2026-07-28

The 2026-07-28 Model Context Protocol specification is out, bringing a stateless protocol core, Multi Round-Trip Requests, header-based routing, cacheable list results, authorization hardening, a formal extensions framework, and updated Tier 1 SDKs.

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Web & FrontendSoftware Engineering2026

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