Invoicehub
Validate, generate & convert EU e-invoices (UBL, CII, XRechnung, Factur-X) — EN 16931 pre-validated.
Connect it
Settings → Connectors → Add custom connector
URL: https://api.invoicehub.dev/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://api.invoicehub.dev/mcp{
"mcpServers": {
"invoicehub": {
"url": "https://api.invoicehub.dev/mcp"
}
}
}claude mcp add --transport http invoicehub https://api.invoicehub.dev/mcp{
"servers": {
"invoicehub": {
"type": "http",
"url": "https://api.invoicehub.dev/mcp"
}
}
}4 tools, verified live
validate_invoiceread-onlyValidate an EU e-invoice XML string against the official EN 16931 Schematron. Accepts either syntax — UBL 2.1 (Invoice or CreditNote) or UN/CEFACT CII — and auto-detects which. A document declaring the XRechnung 3.0 CustomizationID is additionally checked against KoSIT's XRechnung delta ruleset. Returns whether it is valid and any failing BR-* / BR-DE-* business rules.
generate_invoiceGenerate an EN 16931-conformant UBL 2.1 invoice from structured fields. The result is self-validated before being returned. Provide seller, buyer, and at least one line; for standard-rated (category "S") lines include a vatRate and the seller vatId.
convert_invoiceConvert an e-invoice between formats via the shared EN 16931 canonical model: parse the source document, re-serialize as the target, and validate the result before returning it — never a document that has not been checked. Format ids: "UBL_2.1" (OASIS UBL, the universal Peppol/EN16931 baseline), "UN_CEFACT_CII" (UN/CEFACT Cross Industry Invoice, required syntax for Chorus Pro/France and many ERP b
list_supported_formatsread-onlyList the e-invoice formats InvoiceHub validates today and what is on the roadmap.
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