getreadystack/einvoice-lint-xrechnung repository overview

⁠E-Invoice Lint - XRechnung & ZUGFeRD (EN 16931)

Finds the wrong values in XRechnung and ZUGFeRD invoice XML while you edit it - offline, nothing uploaded. 31 rules over UBL and CII, each naming the business term and what the receiver will say.

⁠Run

docker run --rm -v "$PWD":/work readystack/einvoice-lint-xrechnung /work/file.xml

The same 31 rules as the VS Code extension, in a container. Mount a folder on /work.

⁠Free

• Checks the XRechnung or ZUGFeRD invoice file you have open against all 31 rules, locally, and names the line, the business term and the correction.
• --rules lists every rule

⁠With a licence ($29 once)

• Scale and hand-off: one run over every invoice in the workspace, export to CSV/JSON/HTML, a machine-readable result for CI, and the 15 mechanical fixes applied in place.

docker run --rm -e READYSTACK_LICENSE=<key> -v "$PWD":/work readystack/einvoice-lint-xrechnung --dir /work --ci

An IT consultant in Germany averages EUR 102/hour and an SAP/ERP consultant EUR 120/hour (freelancermap Stundensatz study, 2026). This is $29 once.

Set READYSTACK_LICENSE=<key> or run --license <key> once.

Get a licence⁠