{"name":"Agent Sentinel","description":"Gemini-powered governance plane for enterprise AI agents. Sits between A2A peers and gates every task delegation against your policy. Records a hash-chained, HMAC-signed audit receipt for each delegation; emits a per-business-unit cost event.","url":"http://127.0.0.1:8088/a2a/v1","version":"0.1.0","provider":{"organization":"Agent Sentinel","url":"http://127.0.0.1:8088"},"capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":true},"authentication":{"schemes":["bearer"]},"defaultInputModes":["text","data"],"defaultOutputModes":["text","data"],"skills":[{"id":"governance.gate","name":"Gate a task delegation","description":"Evaluate a proposed agent-to-agent task delegation against company policy. Returns allow / deny / rewrite with cited rationale and an audit receipt id.","tags":["governance","policy","audit","agent-to-agent"],"examples":["Gate 'Sales agent delegates competitor analysis to Summary agent'.","Gate 'Finance agent delegates customer record processing to External Vendor agent'."],"inputModes":["text"],"outputModes":["text"]},{"id":"audit.verify","name":"Verify the audit ledger","description":"Walk the hash-chained receipt log and re-derive HMAC signatures. Returns INTEGRITY: PASS or a list of tampered rows.","tags":["audit","integrity","tamper-evidence"],"examples":[],"inputModes":["text"],"outputModes":["text"]},{"id":"cost.meter","name":"Per-BU cost rollup","description":"Per-business-unit spend rollup for agent activity (base + Gemini split).","tags":["finance","chargeback","cost"],"examples":[],"inputModes":["text"],"outputModes":["text"]}]}