En16931 Einvoice Lint

Local MCP server that checks an invoice payload or field mapping against EN 16931 and the national CIUS of the relevant country.

What you can do

• Validate an invoice payload against EN 16931, the European e-invoicing standard.
• Check a field mapping against the national CIUS rules of the country concerned.
• Report the results of these checks back to the assistant.

When to use it

Useful when you work with European e-invoicing and want an assistant to sanity-check invoice data or a field mapping before submission, without leaving the local machine.

Requirements

Runs as a local process over stdio, started with npx from the npm package @readystack/en16931-einvoice-lint, so Node.js and npx are needed. No authentication, environment variables or headers are declared. Desktop only; not available as a web executable.