Validate German and European e-invoices (ZUGFeRD, Factur-X, XRechnung) against EN 16931. Returns structured JSON with errors, warnings and concrete fix suggestions. Free API key available at zugferd-validator.de.
Server Config
{
"mcpServers": {
"zugferd": {
"command": "npx",
"args": [
"-y",
"zugferd-mcp-client"
],
"env": {
"ZUGFERD_API_KEY": "<YOUR_API_KEY>"
}
}
}
}