Christian Posta • 6/16/2026

What 'is' Agent Identity? Human? Workload? A new Layer?

This article delves into the definition of AI agent identity, addressing common interpretations like OAuth or workload identity. It argues that agents are not human but resemble workloads, yet differ in behavior. The author suggests that agent identity can be implemented as a layer on top of existing workload identity (e.g., SPIFFE/WIMSE) in environments like Kubernetes, using attestation and cryptographic credentials for stable, verifiable runtime identity. The piece covers the need for a registry with agent details and the transition to runtime principals for authorization and revocation.

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#authorization #AI Agents #Agent Identity