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On July 28th, the MCP maintainers shipped the 2026-07-28 revision. No more initialize. No more initialized. No more Mcp-Session-Id. David Soria Parra called it “MCP’s most important release since remote MCP first launched over a year ago,” and I couldn’t agree more. In the weeks leading up to the release, I had the opportunity to have Angie Jones on the podcast to talk through some of the changes, community, and excitement on Episode 80 of The Cloud Gambit Podcast - (have a listen!)

Open up the claude_desktop_config.json or mcp.json of the average AI tinkerer right now and tell me you don’t flinch. API keys sitting in plaintext. GitHub PATs with repo scope pasted next to a GitLab token that somebody will forget about in six months. A Slack bot token that absolutely should not be in a file backed up to iCloud. We collectively spent a decade teaching engineers not to do this - and then MCP showed up and everybody speed-ran the mistake all over again.

If you’ve spent any time building with MCP servers, you know the drill. You start with one server, maybe two. Then suddenly you’re juggling a dozen configurations across three different LLM clients, and your claude_desktop_config.json looks like it was written during a caffeine-fueled fever dream. That’s roughly where I was when I started building gridctl.

Optional attributes for object type constraints is almost here! I’ve been waiting for this feature to come along for a while. I have tested it extensively in -alpha, and I can confidently confirm that it is a game changer. This feature is long in the making, being discussed as far back as this thread in 2018. Today, it is now in beta, so the official release could be any day now. Let’s demonstrate how this is useful and build some common AWS infrastructure.