Unverified50% confidenceSolutionExact time
The Token Exchange pattern completely eliminates the identity impersonation problem present in pattern four, achieving full observability of the user, the agent, and the operations permitted by both parties.
1
Sources
50%
Confidence
Long-term
Relevance
9/12/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe Token Exchange and 'On Behalf Of' delegation mechanism requires the agent to authenticate itself, enabling the system to authenticate both the user and the agent simultaneously and making it explicit that the agent is performing operations on behalf of the user.71% similarUnverified该鉴权机制本质上是 OAuth 2.0 Bearer Token 模式的简化版本，省去了授权码交换和 Token 刷新等握手流程68% similarUnverifiedThe token slot design isolates credential management for each service, preventing the risk of all services being exposed due to a single credential leak.65% similarUnverifiedThe second layer of the two-layer access model is built on a Token Exchange mechanism, whereby the Agent uses the delegated token to dynamically exchange access tokens for target applications through the identity provider, rather than pre-storing credentials for all applications.63% similarUnverifiedThe agent exchanges the authorization code for an access token at the token endpoint, and after the token expires, it can use a Refresh Token to obtain a new access token without requiring the user to authorize again.62% similar
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