"Opera GX" matching MCP connectors:

Factur-X: Generate & Validate E-InvoicesA

io.github.LeBorgneAntoine

Generate and validate Factur-X, CII & UBL invoices. Free demo; EUR 3 evaluation, no subscription.

Prefeitura GO Jataí: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per

Prefeitura GO Rio Verde: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay

MPT GO: Certificate Negativa de Feitos, official-source lookup. Platform-hosted, pay per query with

Prefeitura GO Goiânia: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay p

Prefeitura GO Catalão: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay p

Conformité Factur-X : 21 critères PDF/A-3, XML CII EN 16931 et BR-FR. Analyse locale, gratuite.

Fiscal y nomina MX: recargos, ISR, CFDI, RESICO, calendario, IMSS, aguinaldo, finiquito.

Practitioner-verified EU customs facts: classification, duty, origin, procedures. x402.

KoSIT-verified German e-invoices: generate & validate ZUGFeRD, Factur-X, XRechnung, EN 16931.

中国 AI 客服国标 GB/T 47746—2026 合规问答库：必须自动转人工的场景、强制自查项、上线备案要求，答案标注条款依据。