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MCP's July 2026 Spec Deprecates Four Features Your Integration Probably Uses

This story is from 2026-09-27. It is preserved in the archive; the latest stories are on the live feed.

The MCP 2026-07-28 specification formally deprecates four features: Roots, Sampling, Logging, and the legacy HTTP+SSE transport. Businesses exposing tools or data via MCP now have a 12-month countdown before Tier 1 SDKs drop support entirely. This guide explains what each deprecation means, what re…

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  1. 2026-09-27 18:20 · DEV Community — AI
    MCP's July 2026 Spec Deprecates Four Features Your Integration Probably Uses

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