Identity Is Not Authority.
Giving an AI agent a strong, verifiable identity is necessary work. It is also the beginning of the question, not the answer.
Knowing who the agent is answers the door. It does not decide what the agent may do once inside.
What identity gives you
Agent identity establishes a trustworthy answer to "who is this?"
- A verifiable credential for a non-human actor.
- Authentication into systems and APIs.
- Attribution — every action traced to a named agent.
None of this is optional; authority with no identity behind it is meaningless. But authentication proves who is calling, and that is a strictly smaller claim than what they may do.
Where it stops
Identity answers "who?" and stays silent on "may they, for what, and how far?"
A perfectly authenticated agent can still act far outside anything its principal delegated. Identity confirms the caller is who they claim; it carries no model of the purpose the delegation was granted for, the scope it covered, or the moment it lapsed. Authenticated-and-over-scoped is the canonical agent failure — the door opened to the right visitor, who then walked into every room.
- It names the actor; it never bounds the actor.
- Authentication is not authorisation — a login is not a licence.
- A known agent acting beyond its grant is still acting without authority.
The line
Authority takes the identity as input and decides what it is entitled to do now.
KYE Protocol™ starts from the authenticated principal, resolves the delegated authority actually granted to it, and checks each action against that purpose and scope at the boundary — returning admit or deny and sealing it into a replay-verifiable Evidence Pack™. That is Authority Finality™: identity opens the door; Authority Finality™ decides which rooms this actor may enter, and proves the decision later.
Honest scope
KYE Protocol™ proves authority, not the truthfulness of the identity claim.
Verifying the credential itself remains the job of your identity provider, and a strong one is a prerequisite. KYE Protocol™ builds on top of it, supplying the entitlement decision identity alone cannot make — bound to the principal, provable on demand. Keep the identity. Add the authority.
Knowing who the agent is answers the door. It does not decide what the agent may do once inside.