Bridges Claude to German e-invoicing standards, specifically XRechnung and ZUGFeRD formats required by law for B2B transactions in Germany. Exposes four tools: create_xrechnung generates EN 16931 compliant UBL 2.1 XML from structured data, validate_invoice checks syntax and BR-DE business rules, extract_data pulls structured information from UBL or CII XML files, and get_format_info serves as a reference for mandatory fields and tax codes. Runs entirely locally with no API keys or external dependencies. Reach for this if you're handling German invoicing compliance, need to generate valid XRechnungen from natural language prompts, or want to validate incoming e-invoices against the legal requirements kicking in between 2025 and 2028.
claude mcp add --transport stdio io.github.makririch-einvoice uvx einvoice