com.einvoicewiz/einvoicewiz

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Generate & validate EN 16931 e-invoices (Factur-X, ZUGFeRD, XRechnung); verification certificates

Measured statistics

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Copy this into your MCP client config:

{
  "mcpServers": {
    "einvoicewiz": {
      "url": "https://einvoicewiz.com/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (7)

• signup

  Create an einvoicewiz API key with 20 free credits (no card). The key is shown once — store it.

  Parameters:

  • email (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• check_credits

  Credits remaining and calls used for an API key.

  Parameters:

  • api_key — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• generate_einvoice_xml

  Invoice JSON → validated EN 16931 CII XML (1 credit; failures free). profile: "en16931" (Factur-X/ZUGFeRD data, B2B) or "xrechnung" (German public sector; needs invoice.buyer_reference = Leitweg-ID and seller contact_email/contact_phone). Invoice schema: see https://einvoicewiz.com/openapi.json (required: invoice_number, issue_date, currency, seller{name,country}, buyer{name,country}, lines[{name,qty,unit_price,vat_rate}]). Returns {xml, validation, verify:{id,url}, credits_left}. On 422 the body lists the violated rules.

  Parameters:

  • invoice (required) — object
  • api_key — string
  • profile — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• create_facturx_pdf

  Your existing PDF invoice + invoice JSON → Factur-X / ZUGFeRD PDF/A-3 with embedded XML (1 credit). pdf_base64: the original PDF, base64-encoded (max 15 MB). Returns {pdf_base64, cert_id, verify_url, credits_left}. The output is validated (EN 16931 + PDF/A-3) before delivery; failures are not charged.

  Parameters:

  • pdf_base64 (required) — string
  • invoice (required) — object
  • api_key — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• validate_einvoice

  Validate a Factur-X / ZUGFeRD / XRechnung file (PDF or XML, base64) against EN 16931 + KOSIT + PDF/A (1 credit). Returns the rule-level report {result:{status, errors[], warnings[], profile}, verify, credits_left}. verify is set only when the file passed.

  Parameters:

  • file_base64 (required) — string
  • api_key — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• lookup_certificate

  Look up a verification certificate (EIW-…) — free, no key. Confirms which file hashes passed validation and when.

  Parameters:

  • cert_id (required) — string

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• which_format_do_i_need

  Decision helper (free, no key): which e-invoice format a recipient needs and whether a plain PDF is still acceptable.

  Parameters:

  • recipient_country (required) — string
  • recipient_is_public_authority — boolean

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

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Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.