{ "schema_version": "1.0", "reviewed_at": "2026-10-16", "label": "SYNTHETIC_ILLUSTRATION", "warning": "Offline illustrations only: no live checks, signature verification, key registration or payments were performed. Fictional supplier names, CRO 000000, VAT IE0000000A and SYNTHETIC document IDs are not registry claims. The IBAN is a public test-format example, not a payment destination. Signature and public-key placeholders make these NOT live-valid requests. Assumed outcomes are not current observations, signed receipts, attestations or payment authorization.", "live_checks_performed": false, "payment_made": false, "invoice_money_moved": false, "guide": "/use-cases/supplier-invoice-verification", "request_schema": "/schemas/decision.schema.json", "contract": "Illustrative assumptions and decisions, deliberately NOT an executed DecisionPayload response.", "operation_examples": [ { "label": "SYNTHETIC_ILLUSTRATION", "operation": "check_iban", "title": "Validate an IBAN", "price_usdc": "0.005", "input_schema": "/schemas/iban.schema.json", "rest": { "method": "POST", "path": "/v1/checks/iban", "body": { "iban": "IE29AIBK93115212345678" } }, "mcp": { "name": "check_iban", "arguments": { "request": { "iban": "IE29AIBK93115212345678" } } }, "a2a": { "jsonrpc": "2.0", "id": "SYNTHETIC-RPC", "method": "message/send", "params": { "message": { "kind": "message", "messageId": "SYNTHETIC-MESSAGE", "role": "user", "parts": [ { "kind": "data", "data": { "operation": "check_iban", "request": { "iban": "IE29AIBK93115212345678" } } } ] } } } }, { "label": "SYNTHETIC_ILLUSTRATION", "operation": "check_vat", "title": "Check an Irish VAT number", "price_usdc": "0.01", "input_schema": "/schemas/vat.schema.json", "rest": { "method": "POST", "path": "/v1/checks/vat", "body": { "vat_number": "IE0000000A" } }, "mcp": { "name": "check_vat", "arguments": { "request": { "vat_number": "IE0000000A" } } }, "a2a": { "jsonrpc": "2.0", "id": "SYNTHETIC-RPC", "method": "message/send", "params": { "message": { "kind": "message", "messageId": "SYNTHETIC-MESSAGE", "role": "user", "parts": [ { "kind": "data", "data": { "operation": "check_vat", "request": { "vat_number": "IE0000000A" } } } ] } } } }, { "label": "SYNTHETIC_ILLUSTRATION", "operation": "check_company", "title": "Check an Irish company status (CRO)", "price_usdc": "0.01", "input_schema": "/schemas/company.schema.json", "rest": { "method": "POST", "path": "/v1/checks/company", "body": { "cro_number": "000000" } }, "mcp": { "name": "check_company", "arguments": { "request": { "cro_number": "000000" } } }, "a2a": { "jsonrpc": "2.0", "id": "SYNTHETIC-RPC", "method": "message/send", "params": { "message": { "kind": "message", "messageId": "SYNTHETIC-MESSAGE", "role": "user", "parts": [ { "kind": "data", "data": { "operation": "check_company", "request": { "cro_number": "000000" } } } ] } } } }, { "label": "SYNTHETIC_ILLUSTRATION", "operation": "check_three_way_match", "title": "3-way match PO, goods receipt and invoice", "price_usdc": "0.02", "input_schema": "/schemas/three_way.schema.json", "rest": { "method": "POST", "path": "/v1/checks/three-way-match", "body": { "supplier_cro_number": "000000", "invoice": { "po_number": "SYNTHETIC-PO", "grn_number": "SYNTHETIC-GRN", "invoice_number": "SYNTHETIC-INVOICE", "amount": "100.00", "currency": "EUR", "payee_name": "Fictional Synthetic Widget Supplier DAC", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "purchase_order": { "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "amount": "100.00", "currency": "EUR", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "goods_receipt": { "grn_number": "SYNTHETIC-GRN", "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "received": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1" } ] } } }, "mcp": { "name": "check_three_way_match", "arguments": { "request": { "supplier_cro_number": "000000", "invoice": { "po_number": "SYNTHETIC-PO", "grn_number": "SYNTHETIC-GRN", "invoice_number": "SYNTHETIC-INVOICE", "amount": "100.00", "currency": "EUR", "payee_name": "Fictional Synthetic Widget Supplier DAC", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "purchase_order": { "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "amount": "100.00", "currency": "EUR", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "goods_receipt": { "grn_number": "SYNTHETIC-GRN", "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "received": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1" } ] } } } }, "a2a": { "jsonrpc": "2.0", "id": "SYNTHETIC-RPC", "method": "message/send", "params": { "message": { "kind": "message", "messageId": "SYNTHETIC-MESSAGE", "role": "user", "parts": [ { "kind": "data", "data": { "operation": "check_three_way_match", "request": { "supplier_cro_number": "000000", "invoice": { "po_number": "SYNTHETIC-PO", "grn_number": "SYNTHETIC-GRN", "invoice_number": "SYNTHETIC-INVOICE", "amount": "100.00", "currency": "EUR", "payee_name": "Fictional Synthetic Widget Supplier DAC", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "purchase_order": { "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "amount": "100.00", "currency": "EUR", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "goods_receipt": { "grn_number": "SYNTHETIC-GRN", "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "received": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1" } ] } } } } ] } } } }, { "label": "SYNTHETIC_ILLUSTRATION", "operation": "decide_supplier_payment", "title": "Decide: pay this supplier invoice or not", "price_usdc": "0.05", "input_schema": "/schemas/decision.schema.json", "rest": { "method": "POST", "path": "/v1/payment-decisions", "body": { "transaction_id": "SYNTHETIC-OFFLINE-ONLY", "supplier": { "cro_number": "000000", "vat_number": "IE0000000A", "iban": "IE29AIBK93115212345678" }, "invoice": { "po_number": "SYNTHETIC-PO", "grn_number": "SYNTHETIC-GRN", "invoice_number": "SYNTHETIC-INVOICE", "amount": "100.00", "currency": "EUR", "payee_name": "Fictional Synthetic Widget Supplier DAC", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "purchase_order": { "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "amount": "100.00", "currency": "EUR", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "goods_receipt": { "grn_number": "SYNTHETIC-GRN", "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "received": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1" } ] }, "signature": { "key_id": "SYNTHETIC-UNREGISTERED", "signature_b64": "OFFLINE_PLACEHOLDER_NOT_A_SIGNATURE" } } }, "mcp": { "name": "decide_supplier_payment", "arguments": { "payment_request": { "transaction_id": "SYNTHETIC-OFFLINE-ONLY", "supplier": { "cro_number": "000000", "vat_number": "IE0000000A", "iban": "IE29AIBK93115212345678" }, "invoice": { "po_number": "SYNTHETIC-PO", "grn_number": "SYNTHETIC-GRN", "invoice_number": "SYNTHETIC-INVOICE", "amount": "100.00", "currency": "EUR", "payee_name": "Fictional Synthetic Widget Supplier DAC", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "purchase_order": { "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "amount": "100.00", "currency": "EUR", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "goods_receipt": { "grn_number": "SYNTHETIC-GRN", "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "received": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1" } ] }, "signature": { "key_id": "SYNTHETIC-UNREGISTERED", "signature_b64": "OFFLINE_PLACEHOLDER_NOT_A_SIGNATURE" } } } }, "a2a": { "jsonrpc": "2.0", "id": "SYNTHETIC-RPC", "method": "message/send", "params": { "message": { "kind": "message", "messageId": "SYNTHETIC-MESSAGE", "role": "user", "parts": [ { "kind": "data", "data": { "operation": "decide_supplier_payment", "request": { "transaction_id": "SYNTHETIC-OFFLINE-ONLY", "supplier": { "cro_number": "000000", "vat_number": "IE0000000A", "iban": "IE29AIBK93115212345678" }, "invoice": { "po_number": "SYNTHETIC-PO", "grn_number": "SYNTHETIC-GRN", "invoice_number": "SYNTHETIC-INVOICE", "amount": "100.00", "currency": "EUR", "payee_name": "Fictional Synthetic Widget Supplier DAC", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "purchase_order": { "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "amount": "100.00", "currency": "EUR", "line_items": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1", "unit_price": "100.00" } ] }, "goods_receipt": { "grn_number": "SYNTHETIC-GRN", "po_number": "SYNTHETIC-PO", "supplier_cro_number": "000000", "received": [ { "sku": "SYNTHETIC-WIDGET", "quantity": "1" } ] }, "signature": { "key_id": "SYNTHETIC-UNREGISTERED", "signature_b64": "OFFLINE_PLACEHOLDER_NOT_A_SIGNATURE" } } } } ] } } } }, { "label": "SYNTHETIC_ILLUSTRATION", "operation": "register_signing_key", "title": "Register a signing key", "price_usdc": "0.005", "input_schema": "/schemas/keys.schema.json", "rest": { "method": "POST", "path": "/v1/agent-keys", "body": { "key_id": "SYNTHETIC-UNREGISTERED", "public_key_pem": "OFFLINE_PLACEHOLDER_NOT_A_PUBLIC_KEY" } }, "mcp": { "name": "register_signing_key", "arguments": { "key_id": "SYNTHETIC-UNREGISTERED", "public_key_pem": "OFFLINE_PLACEHOLDER_NOT_A_PUBLIC_KEY" } }, "a2a": { "jsonrpc": "2.0", "id": "SYNTHETIC-RPC", "method": "message/send", "params": { "message": { "kind": "message", "messageId": "SYNTHETIC-MESSAGE", "role": "user", "parts": [ { "kind": "data", "data": { "operation": "register_signing_key", "request": { "key_id": "SYNTHETIC-UNREGISTERED", "public_key_pem": "OFFLINE_PLACEHOLDER_NOT_A_PUBLIC_KEY" } } } ] } } } } ], "scenarios": [ { "id": "all-five-pass", "label": "SYNTHETIC_ILLUSTRATION", "live_checks_performed": false, "payment_made": false, "invoice_money_moved": false, "assumed_check_outcomes": { "CRO": "PASSED", "VIES_VAT": "PASSED", "CONFIRMATION_OF_PAYEE": "PASSED", "ERP_THREE_WAY_MATCH": "PASSED", "A2A_SIGNATURE": "PASSED" }, "assumed_policy_flags": [], "illustrative_decision": "EXECUTE_PAYMENT", "illustrative_reason_codes": [], "explanation": "Assume all five gates pass, EUR amount within policy limit, unchanged IBAN, supplier master available and no graph or other flags. Rule pass only, not a guarantee of safe payment." }, { "id": "bad-signature", "label": "SYNTHETIC_ILLUSTRATION", "live_checks_performed": false, "payment_made": false, "invoice_money_moved": false, "assumed_check_outcomes": { "CRO": "UNAVAILABLE", "VIES_VAT": "UNAVAILABLE", "CONFIRMATION_OF_PAYEE": "UNAVAILABLE", "ERP_THREE_WAY_MATCH": "UNAVAILABLE", "A2A_SIGNATURE": "FAILED" }, "assumed_policy_flags": [], "illustrative_decision": "REJECT_PAYMENT", "illustrative_reason_codes": [ "SIGNATURE_INVALID" ], "explanation": "Assume signature failure. Other gates are skipped and represented as UNAVAILABLE; no outbound registry checks are implied. Signature failure takes precedence over review." }, { "id": "provider-unavailable", "label": "SYNTHETIC_ILLUSTRATION", "live_checks_performed": false, "payment_made": false, "invoice_money_moved": false, "assumed_check_outcomes": { "CRO": "PASSED", "VIES_VAT": "UNAVAILABLE", "CONFIRMATION_OF_PAYEE": "PASSED", "ERP_THREE_WAY_MATCH": "PASSED", "A2A_SIGNATURE": "PASSED" }, "assumed_policy_flags": [], "illustrative_decision": "FLAG_FOR_HUMAN_REVIEW", "illustrative_reason_codes": [ "VIES_UNAVAILABLE" ], "explanation": "Assume VIES is unavailable and the other four gates pass, with no other flags. Provider uncertainty requires human review, never execute." } ] }