identity
Agent identity, capability assertion, and the model of "who is calling" inside an agentic system. Hard. Underspecified. Probably the next big standards fight after MCP.
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Architecture
Identity in Agentic Systems: The Hardest Unsolved Problem
Identity is the problem the agentic field has spent the least time on and the one that determines whether the systems are deployable in any regulated environment. A working framework for what identity actually has to do.
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