XSDHub: EN 16931, XRechnung, Factur-X, KSeF, RO and HR e-invoices for Grok
com.xsdhub/validation
Official rules, version per result. SAF-T, SEPA, ISO 20022, DAC7 checks; CBAM and XBRL web tools.
client:Grok
transport:streamable-http
tools:8
Install XSDHub: EN 16931, XRechnung, Factur-X, KSeF, RO and HR e-invoices in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"validation": {
"type": "http",
"url": "https://xsdhub.com/mcp"
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs