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Re:The Agent2Agent Protocol (A2A) by zambachi on Wednesday April 09, 2025 @04:00PM (#43637120)
From the spec:

https://modelcontextprotocol.io/specification/2025-03-26/ser...

“ For trust & safety and security, there SHOULD always be a human in the loop with the ability to deny tool invocations.

Applications SHOULD:

Provide UI that makes clear which tools are being exposed to the AI model Insert clear visual indicators when tools are invoked Present confirmation prompts to the user for operations, to ensure a human is in the loop”

Re:The Agent2Agent Protocol (A2A) by lennoff on Wednesday April 09, 2025 @04:08PM (#43637227)
keep in mind that we have "vibe coding" now, where the goal is exactly to _not_ have a human in the loop (at least not constantly).
Re:The Agent2Agent Protocol (A2A) by simonw on Wednesday April 09, 2025 @04:55PM (#43637867)
Notable that they used SHOULD there, where they use MUST elsewhere in the same document.

Thanks for the reference though, I'll quote that in my article.