Vizier

Free anonymous A2A evaluation of proposed agent actions against caller-supplied authority; anonymous calls cannot authorize ALLOW. An authenticated integration is required for enforcement receipts. Not factuality verification or independent execution proof; REVIEW requires a human decision.

Skills

• Verify Agent Action
  Evaluate whether a proposed agent action is allowed by delegated authority, policy, target, and context.
  authorizationpolicyagent-actions
• Evaluate Delegated Authority
  Determine whether an agent has sufficient delegated authority for a requested action.
  delegationauthorityleast-privilege
• Generate Verification Receipt
  Return an auditable machine-readable receipt for an authorization decision.
  receiptauditverification
• Activate Action Covenant
  Through authenticated REST, activate one exact-action covenant after the integration supplies principal acceptance bound to the draft hash.
  action-covenantacceptancerest
• Authorize Covenant Action
  Through authenticated REST, authorize an exact action against an active covenant, supplied evidence, and invalidation signals, returning a signed authorization receipt.
  action-covenantauthorizationsigned-receiptrest
• Record Action Outcome
  Through authenticated REST, bind a caller-reported execution outcome to a valid ALLOW receipt and return a signed outcome receipt. Not independent execution proof.
  action-covenantreported-outcomesigned-receiptrest

How to call

https://vizier.agendamcp.dpdns.org/a2a

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