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OSINTMCP serverFirst audited Nov 13, 2026

EU e-invoicing and business checks (EN 16931, Peppol, VAT, sanctions)

EN 16931/XRechnung e-invoice validate+create, Peppol routing, EU VAT/EORI, sanctions, KYB. Free tierThe vendor's description, from its MCP Registry listing.

Passed public checksAudited Nov 13, 2026

Every public check ran and passed. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 585 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
YesSome tools say they can change things. Your AI client should ask you first.
Endpointhttps://api.wsystem.dev/mcp

Source code Website Streamable HTTP · protocol 2025-11-25 · server version 1.0.5

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Note: 1 tool is labelled as able to change things.

    Expected for tools that send, write or buy. Your AI client should ask before calling them.

    • send_einvoice_sandbox
  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 14 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Protocol version 2025-11-25 (latest).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (14)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • verify_vatValidate an EU VAT number against the official European Commission VIES service (27 EU states + XI Northern Ireland). Use when asked whether a VAT ID is valid/active, before zero-rated reverse-charge…Read-only
  • verify_batchValidate up to 100 EU VAT numbers in one call via VIES (supplier/customer list cleanup, onboarding, invoice runs). Same per-item result as verify_vat; items with member_state_unavailable should be re…Read-only
  • lookup_companyLook up a company in official European business registers by name or registry number. country: FR (SIREN), NO (org.nr), FI (Y-tunnus), CZ (ICO), PL (KRS number), EE, or any other ISO code / 'LEI' (GL…Read-only
  • screen_sanctionsScreen a person or company name against official EU, UN, OFAC SDN and UK sanctions lists. Fuzzy matching with transliteration; returns candidate matches with 0-100 scores, list, programme, DOB. A pot…Read-only
  • kyb_checkOne-call KYB check of a supplier/customer: EU VAT validation (VIES) + official business register + EU/UN/OFAC/UK sanctions screening, returning a pass / review / fail verdict with reasons. company: a…Read-only
  • verify_eoriValidate an EU EORI (customs Economic Operators Registration and Identification) number, e.g. 'SE5560360793', 'DE1234567890123', against the official European Commission EOS service. Use for import/e…Read-only
  • verify_eori_batchValidate up to 100 EU EORI numbers in one call via the official EC EOS service (customs / import-export KYB).Read-only
  • validate_einvoiceValidate an EU e-invoice XML (UBL 2.1 Invoice/CreditNote or UN/CEFACT CII, e.g. XRechnung, Factur-X/ZUGFeRD XML) against the official CEN EN 16931 rules and, for XRechnung, the KoSIT XRechnung 3.0 ru…Read-only
  • parse_einvoiceRead an incoming EU e-invoice into one JSON shape: seller, buyer, dates, references, totals, VAT breakdown, payment/IBAN, lines and attachments. Accepts UBL 2.1 Invoice/CreditNote or UN/CEFACT CII XM…Read-only
  • create_einvoiceCreate a validated EU e-invoice (UBL 2.1) from simple JSON. invoice = {format: en16931|xrechnung|peppol-bis3, invoice_number, issue_date (YYYY-MM-DD), due_date?, tax_point_date?, delivery_date?, curr…Read-only
  • einvoice_route'Can I e-invoice this company?' id = EU VAT number (e.g. 'BE0403170701') or Peppol id ('0208:0403170701'). Returns VIES VAT status, Peppol registration (Peppol Directory, then SML/SMP; BIS 3 invoice…Read-only
  • send_einvoice_sandboxSANDBOX ONLY - never reaches a real buyer. Safe send: first checks the buyer VAT in VIES, whether the buyer can be reached on Peppol, and the buyer name against EU/UN/OFAC/UK sanctions lists, then cr…Can change things
  • due_diligence_reportCounterparty due-diligence report in one call: VIES VAT, official business register, EU/UN/OFAC/UK sanctions, EC EORI, GLEIF LEI and Peppol e-invoice route, with deterministic risk flags, 0-100 risk…Read-only
  • check_fr_pa_registryIs this e-invoicing platform on France's official list of Plateformes Agréées (PA)? name = platform or company name (e.g. 'Pennylane'), website = its site (e.g. 'https://www.acubeapi.com/'); give at…Read-only

Audit history

  1. Nov 13Passed

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200585 ms
initializedHTTP 202277 ms
tools/listHTTP 200328 ms
resources/listHTTP 200256 ms
prompts/listHTTP 200329 ms
unknown-methodHTTP 200277 ms

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