InvoiceXML MCP Server running

This is a Model Context Protocol server, not a website. Connect it to an AI agent to call the InvoiceXML API through natural language.

Connect a client

MCP Inspector (quickest way to try it):

npx @modelcontextprotocol/inspector

In the Inspector UI, choose transport Streamable HTTP and use:

http://mcp.invoicexml.com/

Claude Desktop: edit your claude_desktop_config.json:

{
  "mcpServers": {
    "invoicexml": { "url": "http://mcp.invoicexml.com/" }
  }
}

Anything else: POST a JSON-RPC 2.0 envelope to http://mcp.invoicexml.com/. See the MCP specification for the wire format.

create_invoice: build a UBL, CII, XRechnung, Factur-X or ZUGFeRD invoice from structured fields.
validate_xml_invoice: validate UBL, CII or XRechnung XML against EN 16931 + Schematron.
validate_pdf_invoice: validate the embedded XML of a Factur-X or ZUGFeRD hybrid PDF.