"1&1" matching MCP connectors:

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

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.

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

AI legal copilot for foreigners in Spain: immigration and housing rental, cited to Spanish law.

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

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

PDF accessibility checks (veraPDF PDF/UA-1), auto-fix and Markdown conversion. EU-hosted.

日本法リサーチMCP。e-Gov全法令の検索・条文取得、委任先解決、裁判例検索、国会会議録、改正沿革、官公庁一次資料（PDF/HTML）の本文読取・読み起こし全文までこれ1本で

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).

Free Article 50 website scanner, notice builder, and checksum verifier. No key or payment.

Free C2PA 2.4 triage and reproducible official trust snapshot. No media, keys, or payment.

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

Deterministic MLP tax computation engine. 6 tools: basis projection, estate planning, sell vs hold comparison, MLP vs ETF tax analysis, distribution stress test, and MLP reference data. Returns IRS-cited calculations for K-1 basis tracking, §751 recapture, and §199A QBI.