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io.github.freshfos/dropcoin-invoice

by freshfos · remote · no sign-in to list tools · v1.0.0 · published by GitHub user freshfos

German e-invoicing: generate XRechnung 3.0, pre-check and extract (incl. ZUGFeRD PDF). Paid.

Changes · 2
CompareRegistry entry

3 tools: 2 change things and 1 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http dropcoin-invoice https://invoice-api.dropcoin.workers.dev/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

3 tools

Changes things 2Claude Code: ask
  • extract_invoiceExtract structured JSON (parties, lines, totals, payment data) from an e-invoice: XRechnung UBL/CII XML or a ZUGFeRD/Factur-X PDF (embedded XML is pulled from the PDF).No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    Description, as the server wrote it
    Extract structured JSON (parties, lines, totals, payment data) from an e-invoice: XRechnung UBL/CII XML or a ZUGFeRD/Factur-X PDF (embedded XML is pulled from the PDF). Send exactly one of xml / pdfBase64. 5 credits, requires an API key.
  • generate_xrechnungGenerate a German XRechnung 3.0 e-invoice (UBL 2.1, EN 16931) from plain JSON.No findings

    Why it is in this group

    • The name "generate_xrechnung" says "generate": a word for a change.
    Description, as the server wrote it
    Generate a German XRechnung 3.0 e-invoice (UBL 2.1, EN 16931) from plain JSON. Totals, VAT and rounding are computed server-side per the official rules. Mandatory: invoiceNumber, issueDate, buyerReference (Leitweg-ID), seller (+sellerContact with name/phone/email), buyer, paymentIban, lines (name, quantity, unitPrice, vatRate). 30 credits, requires an API key.
Only reads 1Claude Code: allow
  • validate_invoicePre-check an e-invoice (XRechnung UBL or CII XML) against the priority EN 16931 / XRechnung rules incl.No findings

    Why it is in this group

    • The name "validate_invoice" says "validate": a word for reading.
    Description, as the server wrote it
    Pre-check an e-invoice (XRechnung UBL or CII XML) against the priority EN 16931 / XRechnung rules incl. cent-exact totals recalculation. Findings carry official rule IDs. A pre-check, not the official KoSIT validation. 10 credits, requires an API key.

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http dropcoin-invoice https://invoice-api.dropcoin.workers.dev/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__dropcoin-invoice__validate_invoice"
    ],
    "ask": [
      "mcp__dropcoin-invoice__generate_xrechnung",
      "mcp__dropcoin-invoice__extract_invoice"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as dropcoin-invoice. Review it before you use it.