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MCP 2026-07-28 Specification: transport going stateless

blog.modelcontextprotocol.io

51–57 of 57 posts

Re: MCP 2026-07-28 Specification: transport going stateless

#51
post #4

Hey folks - one of the Lead Maintainers for MCP. Happy that we got this release out the door today, this is an exciting change for those that wanted to roll out remove MCP servers into serverless hosts. There is, of course, more good stuff packed, so if you have questions or feedback - our team is here to help!

Congrats mate - Great to see this and loved working with you all on a very very very tiny part of this! Looking forward to a lot more awesome releases and features!

Re: MCP 2026-07-28 Specification: transport going stateless

#52

We built ours stateless before the spec allowed it. No SSE at all and GET just returns 405, everything is a plain POST about 46 tools. We were betting clients would cope, and most of them did. When one did not, we had to tell the user their client was the problem, which is never a good look. The surprise for us was auth getting easier. No session means no confusion about when the key was checked. Anyone can list the…

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Re: MCP 2026-07-28 Specification: transport going stateless

#54
post #14

I'd made the shift to HTTP/Stateless from MCP a few months ago. It's the right thing to do IMHO. Reliability up, problems down. TOON support is natural, if desired, etc. My only question is how do you handle channels in the architecture now. From what I saw in Claude Code, shifting to a totally http world has some timeout issues if a server drops out and comes back. Because of that I'm stuck writing stubs for my inte…

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Re: MCP 2026-07-28 Specification: transport going stateless

#57
post #8
post #4

Hey folks - one of the Lead Maintainers for MCP. Happy that we got this release out the door today, this is an exciting change for those that wanted to roll out remove MCP servers into serverless hosts. There is, of course, more good stuff packed, so if you have questions or feedback - our team is here to help!

Thank you! What’s the best practice for tools where the upstream API only supports basic auth (username/password) and there’s no OBO option? In my case the login returns a token that’s only valid for an hour, so the user has to re-auth after that. Do you stash the credentials on the MCP server and silently refresh, or is there a nicer pattern people are using?

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