"X" matching MCP connectors:

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

Validiert E-Rechnungen (ZUGFeRD/Factur-X, XRechnung) gegen EN 16931 mit Korrekturvorschlägen.

Deterministic Mexican payroll & tax math: finiquito, ISR, aguinaldo, IMSS (2026 tables).

Read-only e-invoice readiness over MCP: VAT format, VIES, Peppol lookup, invoice & readiness

出海合规预检 · Source-cited EU/US/UK/AU market-access checks for cross-border sellers

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

EN 16931-compliant e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS, Facturae or US PDF. Free.

Free e-signature for humans and AI agents — zero-document PDF signing from hashes only.

Verify business legitimacy by domain or name in <2s. Trust score, verdict, evidence. x402-payable.

Connect AI agents to BoomTax for IRS information return filing. Query filings (1099, W-2, 1095, etc.), check e-file status and errors, look up payers, and get filing summaries across tax years. **Tools:** - Search and filter filings by tax year, form type, and status - Get filing details with payer info and e-file status - View e-file errors with IRS error codes and messages - Look up payers/issuers with filing counts - List all supported filing types and e-file availability

InvoiceXML brings e-invoice compliance to your AI agent. Create, validate, convert, render, and extract structured invoices across UBL (Peppol BIS Billing 3.0, used worldwide), CII, Factur-X, ZUGFeRD, and XRechnung, all checked against the EN 16931 standard and official Schematron rules. Ask your assistant to generate a compliant invoice, validate one for errors, or convert between formats, with no e-invoicing expertise required.

Thailand Leceipt e-Tax: AI agents create, poll and download e-Tax Invoices, stateless BYO.

Uruguay DGI e-Factura (CFE): AI agents submit signed sobres to DGI e-invoicing, stateless forwarder.

India GST e-invoicing for AI agents - generate, query, cancel IRNs at the IRP via a GSP. Stateless.

Saudi ZATCA Fatoora Phase 2: AI agents report B2C and clear B2B tax invoices, stateless.

Nigeria FIRS/NRS MBS e-invoicing for AI agents - validate, sign, confirm invoices (IRN + QR).

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

Provides access to Avalara E-Invoicing and Live Reporting APIs for document statuses and compliance

Create, validate, convert & extract compliant e-invoices (UBL, Factur-X, ZUGFeRD, XRechnung)

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