generated: '2026-07-24' method: derived source: Bind each candidate MCP tool to its backing OpenAPI operation (1:1). MCP tools are derived from REST, so there is full coverage and no divergence. surfaces: openapi: openapi/*.json (24 specs, Swagger 2.0) graphql: null mcp: mcp/nacha-mcp.yml (candidate — no hosted server) crosswalk: - tool: validateaccountwithnameandret category: Accounts rest: - validateAccountWithNameAndRET spec: openapi/nacha-account-validation-plus-name-ret.json binding: rest confidence: high - tool: validateaccount category: Accounts rest: - validateAccount spec: openapi/nacha-account-validation-plus-name.json binding: rest confidence: high - tool: validatedebtoraccount category: Accounts rest: - validateDebtorAccount spec: openapi/nacha-account-validation.json binding: rest confidence: high - tool: validatecreditoraccount category: Accounts rest: - validateCreditorAccount spec: openapi/nacha-account-validation.json binding: rest confidence: high - tool: authorize_to_pay_request category: Authorize to Pay rest: - Authorize to Pay - Request spec: openapi/nacha-authorize-to-pay.json binding: rest confidence: high - tool: expand_bank_contact_v2_input category: Expand Bank Contact V2 rest: - Expand Bank Contact V2 - Input spec: openapi/nacha-bank-contact-v2.json binding: rest confidence: high - tool: expand_bank_contact_v2_get category: Expand Bank Contact V2 rest: - Expand Bank Contact V2 - Get spec: openapi/nacha-bank-contact-v2.json binding: rest confidence: high - tool: findbybankidandreason category: Banks rest: - findByBankIdAndReason spec: openapi/nacha-bank-contacts.json binding: rest confidence: high - tool: get_corporate_account_balances category: Get Corporate Account Balances rest: - Get Corporate Account Balances spec: openapi/nacha-corporate-account-balances.json binding: rest confidence: high - tool: get_transaction_detail category: Get Corporate Transaction History rest: - Get Transaction Detail spec: openapi/nacha-corporate-transaction-detail.json binding: rest confidence: high - tool: get_corporate_transaction_history category: Get Corporate Transaction History rest: - Get Corporate Transaction History spec: openapi/nacha-corporate-transaction-history.json binding: rest confidence: high - tool: wire_status category: Wire Transfer rest: - Wire Status spec: openapi/nacha-get-wire-status.json binding: rest confidence: high - tool: international_ach_remittance category: International ACH Remittance (IAR) rest: - International ACH Remittance spec: openapi/nacha-iar-plus.json binding: rest confidence: high - tool: international_ach_remittance_2 category: International ACH Remittance (IAR) rest: - International ACH Remittance spec: openapi/nacha-iar.json binding: rest confidence: high - tool: initiate_instant_payment category: Instant Payment rest: - Initiate Instant Payment spec: openapi/nacha-initiate-instant-payment.json binding: rest confidence: high - tool: initiate_payment category: Initiate Payment rest: - Initiate Payment spec: openapi/nacha-initiate-payment-api.json binding: rest confidence: high - tool: ach_payments_debit category: ACH Payments rest: - ACH Payments Debit spec: openapi/nacha-initiate-payment.json binding: rest confidence: high - tool: ach_payments_credit category: ACH Payments rest: - ACH Payments Credit spec: openapi/nacha-initiate-payment.json binding: rest confidence: high - tool: initiate_wire_transfer category: Wire Transfer rest: - Initiate Wire Transfer spec: openapi/nacha-initiate-wire-payment.json binding: rest confidence: high - tool: instant_payment_transfer category: Instant Payment Transfer rest: - Instant Payment Transfer spec: openapi/nacha-instant-payment-transfer.json binding: rest confidence: high - tool: route_billing_information category: Route Billing Information rest: - Route Billing Information spec: openapi/nacha-pay-me.json binding: rest confidence: high - tool: get_participants_profile category: Get Participants Profile rest: - Get Participants Profile spec: openapi/nacha-payee-profile.json binding: rest confidence: high - tool: proof_of_authorization_request category: Proof of Authorization rest: - Proof of Authorization - Request spec: openapi/nacha-proof-of-authorization.json binding: rest confidence: high - tool: real_time_billing_account_validation category: Account Validation rest: - Real Time Billing Account Validation spec: openapi/nacha-realtime-billing-account-validation.json binding: rest confidence: high - tool: reporting_ach_return_payments category: Reporting ACH Return Payments rest: - Reporting ACH Return Payments spec: openapi/nacha-ret.json binding: rest confidence: high - tool: gettransactionstatusbytransactionid category: ACH Transaction Status rest: - GetTransactionStatusByTransactionId spec: openapi/nacha-transaction-status.json binding: rest confidence: high - tool: gettransactionstatusbyinstructionid category: ACH Transaction Status rest: - GetTransactionStatusByInstructionId spec: openapi/nacha-transaction-status.json binding: rest confidence: high - tool: postpayments_ach_credit_status category: ACH Transaction Status rest: - /payments/ach/credit/status spec: openapi/nacha-transaction-status.json binding: rest confidence: high - tool: postpayments_ach_debit_status category: ACH Transaction Status rest: - /payments/ach/debit/status spec: openapi/nacha-transaction-status.json binding: rest confidence: high - tool: written_statement_of_unauthorized_debit_request category: Written Statement of Unauthorized Debit (WSUD) rest: - Written Statement of Unauthorized Debit - Request spec: openapi/nacha-wsud.json binding: rest confidence: high mcp_only: [] rest_only: [] coverage: tools_named: 30 tools_bound: 30 mcp_only: 0 rest_ops_total: 30 rest_ops_with_tool: 30