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mcp/harbor
Grok

ZUGFeRD Validator for Grok

de.zugferd-validator/validator

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

client:Grok transport:streamable-http runtime:npm tools:5

Install ZUGFeRD Validator in Grok

.mcp.json (in your project root) 

{
  "mcpServers": {
    "validator": {
      "type": "http",
      "url": "https://api.zugferd-validator.de/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

What Grok can do once it is connected

ZUGFeRD Validator in other clients

ZUGFeRD Validator MCP server