What is invoicexml-mcp?

An online tool for creating and checking electronic invoices in formats used by countries and business networks, including Factur-X, XRechnung, and Peppol BIS Billing 3.0. It connects through OAuth, a standard sign-in method.

Use it to create and validate structured electronic invoices, including UBL and CII documents.

It helps catch invoice-format and compliance problems before invoices are exchanged with customers or authorities.

invoicexml-mcp — Plugin for Gemini CLI by InvoiceXML

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo

git clone --depth 1 https://github.com/InvoiceXML/invoicexml-mcp

Made for: Gemini CLI.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/plugins/invoicexml/invoicexml-mcp/gemini-extension/github.svg)](https://agentmods.dev/plugins/invoicexml/invoicexml-mcp/gemini-extension)

Your own site

<a href="https://agentmods.dev/plugins/invoicexml/invoicexml-mcp/gemini-extension"><img src="https://agentmods.dev/badge/plugins/invoicexml/invoicexml-mcp/gemini-extension/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/plugins/invoicexml/invoicexml-mcp/gemini-extension"><img src="https://agentmods.dev/badge/plugins/invoicexml/invoicexml-mcp/gemini-extension.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session not measured What this adds to a session before it is invoked.

When invoked not measured Not applicable: nothing here is loaded into a session.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

invoicexml-mcp scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

gemini-extension.json · 15 lines

What it actually says

{
  "name": "invoicexml-mcp",
  "version": "1.0.0",
  "description": "InvoiceXML MCP Server for global e-invoice compliance: Create and Validate Factur-X, ZUGFeRD, XRechnung, CII and Peppol BIS Billing 3.0 UBL invoices",
  "mcpServers": {
    "invoicexml": {
      "httpUrl": "https://mcp.invoicexml.com/",
      "oauth": {
        "enabled": true
      }
    }
  },
  "contextFileName": "GEMINI.md"
}

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

7d ago First seen · 15 lines scan A 85ced856394a

Subscribe to this mod's changes

invoicexml-mcp is a plugin published in the GitHub repository InvoiceXML/invoicexml-mcp (5 stars, last pushed 3d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-09.

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