xmlvalid for Grok
com.xmlvalid/xmlvalid
Validate XML and e-invoices (XSD, DTD, RelaxNG, EN 16931, Peppol, XRechnung), explain errors
client:Grok
transport:streamable-http
tools:5
Install xmlvalid in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"xmlvalid": {
"type": "http",
"url": "https://xmlvalid.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