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com.einvoicewiz/einvoicewiz

by einvoicewiz.com · remote · no sign-in to list tools · v1.0.0 · published by com.einvoicewiz

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

Changes · 5
CompareRegistry entry

7 tools: 5 change things and 2 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http einvoicewiz https://einvoicewiz.com/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

7 tools

Changes things 5Claude Code: ask
  • check_creditsCredits remaining and calls used for an API key.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Credits remaining and calls used for an API key.
  • create_facturx_pdfYour existing PDF invoice + invoice JSON → Factur-X / ZUGFeRD PDF/A-3 with embedded XML (1 credit).No findings

    Why it is in this group

    • The name "create_facturx_pdf" says "create": a word for a change.
    Description, as the server wrote it
    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.
  • generate_einvoice_xmlInvoice JSON → validated EN 16931 CII XML (1 credit; failures free).No findings

    Why it is in this group

    • The name "generate_einvoice_xml" says "generate": a word for a change.
    Description, as the server wrote it
    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.
  • signupCreate an einvoicewiz API key with 20 free credits (no card).No findings

    Why it is in this group

    • The description's first verb is "create": a word for a change.
    Description, as the server wrote it
    Create an einvoicewiz API key with 20 free credits (no card). The key is shown once — store it.
  • which_format_do_i_needDecision helper (free, no key): which e-invoice format a recipient needs and whether a plain PDF is still acceptable.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Decision helper (free, no key): which e-invoice format a recipient needs and whether a plain PDF is still acceptable.
Only reads 2Claude Code: allow
  • lookup_certificateLook up a verification certificate (EIW-…) — free, no key.No findings

    Why it is in this group

    • The name "lookup_certificate" says "lookup": a word for reading.
    Description, as the server wrote it
    Look up a verification certificate (EIW-…) — free, no key. Confirms which file hashes passed validation and when.
  • validate_einvoiceValidate a Factur-X / ZUGFeRD / XRechnung file (PDF or XML, base64) against EN 16931 + KOSIT + PDF/A (1 credit).No findings

    Why it is in this group

    • The name "validate_einvoice" says "validate": a word for reading.
    Description, as the server wrote it
    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.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http einvoicewiz https://einvoicewiz.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__einvoicewiz__validate_einvoice",
      "mcp__einvoicewiz__lookup_certificate"
    ],
    "ask": [
      "mcp__einvoicewiz__signup",
      "mcp__einvoicewiz__check_credits",
      "mcp__einvoicewiz__generate_einvoice_xml",
      "mcp__einvoicewiz__create_facturx_pdf",
      "mcp__einvoicewiz__which_format_do_i_need"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as einvoicewiz. Review it before you use it.