XSDHub: EN 16931, XRechnung, Factur-X, KSeF, RO and HR e-invoices

Connect Remote server

claude mcp add --transport http validation https://xsdhub.com/mcp --header "Authorization: Bearer <YOUR_API_KEY>"

{
  "mcpServers": {
    "validation": {
      "url": "https://xsdhub.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "validation": {
      "type": "http",
      "url": "https://xsdhub.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://xsdhub.com/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 8 found in our last check

• validate_xml

  Check XML well-formedness. Returns bounded errors and warnings with locations; uses one validation from the daily allowance.

• validate_xml_against_xsd

  Check XML against a pinned officialSchema package or supplied XSD 1.0/1.1. Imports resolve inside the selected package only. Returns bounded findings and original schema hashes. The mf-etransport-v2 package also runs original official Schematron 2.0.2, all phases, with separate…

• validate_e_invoice

  Check invoice XML with a fixed EN16931, XRechnung, Factur-X XML, KSeF FA(3), RO or HR package. KSeF is XSD-only; Factur-X checks XML only. No authority or network acceptance check.

• explain_validation_error

  Match an XML/XSD or invoice error code or message to an existing guide and explanation. Returns a general guide when no exact match exists.

• list_supported_standards

  List the six fixed invoice packages, versions, scope and limitations, plus generic XML and supplied-XSD support.

• search_xsdhub_guides

  Search XSDHub public XML and XSD guides. Returns source URLs and excerpts. Does not validate or upload XML.

• get_xsdhub_page

  Read one public XSDHub page as Markdown, with its canonical source URL. Accepts a public page slug, such as learn/xml-namespaces-explained, about or home.

• get_xsdhub_capabilities

  Read the supported browser tools, file limits, privacy boundaries and subscription test-mode status. No account or billing access.

Headers

Details

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