Validate, generate and read German e-invoices (XRechnung, ZUGFeRD) against the official KoSIT rules.
Streamable HTTP
https://normapi.com/mcpclaude mcp add --transport http normapi https://normapi.com/mcp@normapi/mcp · npm 1.3.1 · stdio
claude mcp add --transport stdio normapi -- npx -y @normapi/mcp@1.3.1