Unverified50% confidenceSolutionExact time

The Capability Token approach means the Agent does not hold the tool itself but only holds restricted, revocable tokens that encode the scope of permissions.

1

Sources

50%

Confidence

Long-term

Relevance

9/12/2026

First Seen

Sources

Why AI Agent Tool Permission Checks Are Often Worthless: A Case for Architecture-Level Security

Related Entities

Capability Tokenconcept

Related Claims

UnverifiedEach time an identity is passed downstream, the scope defined during token exchange should restrict rather than expand permissions, following the principle of least privilege.72% similar UnverifiedAPI令牌具有可随时吊销而不影响主账号安全、可设置额度上限防止超额消费、支持按业务场景分组隔离等安全特性66% similar

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