{"name":"eSignVerification","description":"Verify the electronic signatures on a PDF against the live EU trusted list. Establishes whether each signature is qualified (QESig) or advanced (AdESig) under eIDAS, checks byte-range integrity and CMS/PKCS#7 cryptography, and anchors the signer's issuing CA in the published trusted list of every EU member state.","version":"1.0.0","supportedInterfaces":[{"url":"https://a2a.esign.spocont.com","protocolBinding":"JSONRPC","protocolVersion":"1.0"},{"url":"https://esign.spocont.com/a2a","protocolBinding":"JSONRPC","protocolVersion":"1.0"}],"capabilities":{"streaming":false,"pushNotifications":false,"extendedAgentCard":false},"skills":[{"id":"esign_verify","name":"esign_verify","description":"[Execution] Verify the electronic signatures on a PDF. Send the document as base64 in `pdf_base64`. Returns one entry per signature: the signer, the issuing CA, the claimed signing time, the eIDAS qualification (QESig / AdESig / Unknown), and the individual checks — byte-range integrity, CMS/PKCS#7 cryptographic validity, EU trusted-list anchoring, and whether the signature covers the whole document. Partial coverage is reported as a fact, not as tampering. Consumes 1 verification credit."},{"id":"esign_status","name":"esign_status","description":"[Research] Remaining verification credits and the expiry date of the soonest-expiring batch. Free — no credits consumed."},{"id":"esign_trusted_list","name":"esign_trusted_list","description":"[Research] State of the EU trusted list this service verifies against: number of anchors, number of member-state lists, and when it was last published. Call this to judge how current the trust data is before relying on a verdict. Free — no credits consumed."}],"securitySchemes":{"bearer":{"httpAuthSecurityScheme":{"scheme":"bearer","bearerFormat":"JWT","description":"Bearer token from https://esign.spocont.com"}}},"securityRequirements":[{"schemes":{"bearer":{"list":[]}}}],"defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"registry":"https://a2a-registry.spocont.com"}