mcpbeat

ZUGFeRD Validator MCP Server

de.zugferd-validator/validator
answering

ZUGFeRD Validator is answering right now. Last checked 13 min ago. 81 installs a week from npm. It exposes 4 tools.

Validiert E-Rechnungen (ZUGFeRD/Factur-X, XRechnung) gegen EN 16931 mit Korrekturvorschlägen.

The linked repository no longer exists on GitHub — it was deleted or made private.

Installs per day peak 132 · avg 8 · -51% w/w
a month agotoday
Uptime history 39 hours of history
39 hours agonow
100.0%
Uptime 24h
91 of 91 checks
4
Tools
read from the server
118 ms
Response time
average over 24h
81
Installs / week
npm and PyPI

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

run in your terminal
claude mcp add validator --transport http https://api.zugferd-validator.de/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "validator": {
      "url": "https://api.zugferd-validator.de/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.validator]
url = "https://api.zugferd-validator.de/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "validator": {
      "url": "https://api.zugferd-validator.de/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "validator": {
      "url": "https://api.zugferd-validator.de/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

consistency
check_consistency
Prüft ob die sichtbaren PDF-Daten mit den eingebetteten XML-Daten übereinstimmen.
extract
extract_xml
Extrahiert die eingebettete XML-Datei aus einem ZUGFeRD/Factur-X PDF.
invoice
create_invoice
Erstellt aus strukturierten Daten eine valide E-Rechnung — entweder als ZUGFeRD-PDF (PDF/A-3 mit eingebettetem XML) oder als reines XRechnung-XML (mit Leitweg-ID für B2G). Unterstützt mehrere Positionen, alle USt-Kategorien, Rabatte/Zuschläge und Zahlungsangaben. Stateless — es wird nichts gespeichert.
validate
validate_invoice
Validiert eine E-Rechnung (ZUGFeRD/Factur-X PDF oder XRechnung XML) gegen EN 16931 und gibt strukturierte Ergebnisse mit Korrekturvorschlägen zurück.

Endpoints

URLTransportStateLatencyChecked
https://api.zugferd-validator.de/mcp streamable-http answering 133 ms 13 min ago

ZUGFeRD Validator — questions

Answers built from our own checks of this server.

What can ZUGFeRD Validator do?
It exposes 4 tools, read directly from the server on our last check. Among them: check_consistency, create_invoice, extract_xml, validate_invoice. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is ZUGFeRD Validator working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 118 ms. The bar chart above shows every period we have measured.
Is ZUGFeRD Validator still maintained?
The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.
How do I connect ZUGFeRD Validator?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does ZUGFeRD Validator need an API key?
No. ZUGFeRD Validator completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is ZUGFeRD Validator?
It answers our handshake in 118 ms on average, which is faster than 79% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use ZUGFeRD Validator?
The npm package zugferd-mcp-client was installed 81 times in the last week. Week over week that is -51%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.