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AgentsThe story, in brief

MCP Goes Stateless, and Developers Ask Whether That Just Makes It an API Again

MCP's biggest update in 18 months strips away session state. Developers are split: progress or step backward?

Reporting by InfoQ AI/ML 1 min brief
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The KeyNews take

Why it matters

A major protocol revision for agent-to-agent and agent-to-tool communication removes complexity but reignites debate over whether standardization solves real problems or just reinvents the wheel.

The key facts

8 to know

  1. MCP 2026-07-28 spec removes initialize handshake and session headers

  2. New required method and tool-name headers enable stateless gateway routing without JSON parsing

  3. Developer reaction divided: some see REST rediscovery, others defend protocol-first approach

  4. Affects agent infrastructure and routing at scale

  5. MCP 2026-07-28 removes initialize handshake and session headers

  6. Spec adds required method and tool-name headers for gateway routing without JSON parsing

  7. Developer split: some call it REST rediscovery, others defend protocol standardization as the win

  8. Change enables stateless gateway routing for agent traffic

Go to the source

InfoQ AI/MLinfoq.com

Publisher excerpt: The MCP 2026-07-28 specification removes the initialize handshake and session header, and adds required method and tool-name headers so gateways can route agent traffic without parsing JSON. Reaction split between developers calling it a rediscovery of REST and those arguing the standard itself was…
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