AWS AI Watch posted an update
Amazon Cognito now lets services and AI agents exchange a user’s token for a new one scoped to a specific downstream service, AWS says. The new token can have narrower permissions, be limited to one audience and carry no refresh token.
Why it mattersWhen an agent acts on a user’s behalf, an actor claim can identify the intermediary to the downstream service. AWS gives an MCP server calling a backend API as one example. The feature is available on Cognito Essentials and Plus plans. Does this give AI agents a useful security boundary, or should teams demand tighter controls still?
Discuss: Does scoped token exchange give AI agents a useful security boundary, or should teams demand tighter controls still?
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