En16931 Einvoice Lint runs on your own machine — the client starts it, so there is no endpoint to ping. 314 installs a week from npm. Last commit 22 Sep 2026.
Checks an invoice payload or field mapping against EN 16931 and the national CIUS of the country it
Today is the operative word: we check En16931 Einvoice Lint every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add en16931-einvoice-lint -- npx -y @readystack/en16931-einvoice-lint
{
"mcpServers": {
"en16931-einvoice-lint": {
"args": [
"-y",
"@readystack/en16931-einvoice-lint"
],
"command": "npx"
}
}
}
[mcp_servers.en16931-einvoice-lint]
command = "npx"
args = ["-y", "@readystack/en16931-einvoice-lint"]
{
"mcpServers": {
"en16931-einvoice-lint": {
"args": [
"-y",
"@readystack/en16931-einvoice-lint"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"en16931-einvoice-lint": {
"args": [
"-y",
"@readystack/en16931-einvoice-lint"
],
"command": "npx"
}
}
}
Lints UBL and CII invoice XML against EN 16931 and the national e-invoicing mandates that are live i
Check invoice mandatory fields, validate a draft before issuing, and look up EN 16931 code lists.
Job orders for trades and field work: parts, labour, status, completion report, invoice payload.
12 checks for the French mandatory mentions a PDP rejects, on Factur-X, UBL and CII invoices
Checks the context files a coding agent reads against the git index, and reports what drifted.
Reads the licence field in the open manifest and names every deprecated SPDX id, invalid string, PEP
Field service reports: hours, materials, sign-off, and the invoice the visit turns into.
Line-by-line check of shipped device defaults against RED Art. 3(3)(d)(e)(f), EN 18031-1/-2/-3 and U
Answers built from our own checks of this server.