Provides Japanese tax and invoice utilities such as consumption tax calculation, withholding tax, invoice number validation, and tax rate summarization, enabling AI assistants to perform these operations locally without external APIs.
Enables AI assistants to locally parse, validate, audit, explain, generate, and convert XRechnung and ZUGFeRD/Factur-X e-invoices using official rule sets, fully offline with no API keys required.
Enables AI assistants to perform Japanese business calendar calculations including holiday detection, business day arithmetic, payment date settlement, and deadline management using local data.
Lets AI agents create estimates/invoices, manage customers, and track payments on GooodBilling — a Japanese qualified-invoice (インボイス制度) compliant billing cloud.
Enables AI agents to issue, correct, and register legally compliant Spanish electronic invoices with AEAT VeriFactu, supporting F1/F2 types, R1–R5 correctives, and NIF validation from Claude, ChatGPT, Cursor, or VS Code.
