MCP in 2026: What Changed in the 2026-07-28 Specification and How to Design Production Integrations
This story is from 2026-09-21. It is preserved in the archive; the latest stories are on the live feed.
If you learned the Model Context Protocol from a tutorial written before August 2026, most of what it taught about transport is now wrong. There is no initialize handshake. There is no Mcp-Session-Id . There is no HTTP GET stream to listen on, and streams do not resume. The 2026-07-28 revision, rel…
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- 2026-09-21 12:02 · DEV Community — AI
MCP in 2026: What Changed in the 2026-07-28 Specification and How to Design Production Integrations
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