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Fakturai — German E-Invoice (ZUGFeRD / Factur-X / E-Rechnung)

by fakturai.de · remote · no sign-in to list tools · v1.0.1 · published by de.fakturai

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

Changes · 1
CompareRegistry entry

3 tools: 1 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 erechnung https://fakturai.de/mcp

Tools

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

3 tools

Changes things 1Claude Code: ask
  • generate_einvoiceGenerate a KoSIT-verified ZUGFeRD/Factur-X German e-invoice (EN 16931 / E-Rechnung).No findings

    Why it is in this group

    • The name "generate_einvoice" says "generate": a word for a change.
    Description, as the server wrote it
    Generate a KoSIT-verified ZUGFeRD/Factur-X German e-invoice (EN 16931 / E-Rechnung). Returns pdf_b64 (base64 PDF), invoice_number, and the full validation_report. Every invoice returned has passed the official German government KoSIT acceptance gate — the same gate used by federal agencies for B2G submissions. Keywords: ZUGFeRD, Factur-X, E-Rechnung erstellen, Rechnung PDF, German invoice.
Only reads 2Claude Code: allow
  • compliance_statusCheck the e-rechnung engine health: KoSIT + Mustang daemon status and dependency version pins vs.No findings

    Why it is in this group

    • The name "compliance_status" says "status": a word for reading.
    Description, as the server wrote it
    Check the e-rechnung engine health: KoSIT + Mustang daemon status and dependency version pins vs. latest releases. Use before bulk invoice generation to confirm the compliance gate is fully operational.
  • validate_einvoiceValidate an existing ZUGFeRD/Factur-X/E-Rechnung invoice.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 an existing ZUGFeRD/Factur-X/E-Rechnung invoice. Accepts a base64-encoded PDF or raw CII XML. Runs the full three-validator check: PDF/A conformance, EN 16931 Schematron, and the official German KoSIT acceptance gate. No authentication required. Keywords: E-Rechnung prüfen, ZUGFeRD validieren, Factur-X check, Rechnung compliance.

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 1.0.1. Values in angle brackets are yours to fill in.

claude mcp add --transport http erechnung https://fakturai.de/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__erechnung__validate_einvoice",
      "mcp__erechnung__compliance_status"
    ],
    "ask": [
      "mcp__erechnung__generate_einvoice"
    ],
    "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 erechnung. Review it before you use it.