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InvoiceIn MCP server

online · 100% uptime
by peculiar-systems·io.github.peculiar-systems/invoicein·v0.1.3
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XRechnung, Factur-X, Peppol, PINT AE, FatturaPA, KSeF → JSON + fix hints. Hosted; MIT=examples only

A85/100grade A
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A85/100

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InvoiceIn tools (5)

write = sends, deletes, buys or posts
  • invoice_to_csvFree

    Export one European e-invoice as a flat CSV table for a spreadsheet or a database import. Document columns: invoice id, type, issue and due date, currency, seller and buyer name / VAT id / country, buyer and order reference, net / tax / gross / due totals, IBAN, BIC, remittance info, KSeF number, detected format and profile; with level=lines each row adds line id, item name, seller item id, quantity, unit, unit price, net amount, VAT category and rate, note. Use invoice_to_datev for DATEV bookkeeping and read_invoice for the full JSON. Input: XML (UBL, CII, XRechnung, Peppol BIS 3, UAE PINT AE, FatturaPA, KSeF FA(2)/FA(3)) or a ZUGFeRD/Factur-X hybrid PDF up to 25 MB; plain or scanned PDFs without embedded XML are rejected (no OCR). A FatturaPA lot yields rows for every invoice in it. Returns the CSV as one text string: comma-separated, header row first, LF line endings, decimal point; an unreadable file returns a tool error with the reason. Costs one invoice credit per call; without an API key the anonymous quota is 20 invoices per day per IP. Nothing is stored.

  • invoice_to_datevFree

    Convert one received (purchase) e-invoice into a DATEV Buchungsstapel import file (EXTF format 700) for German bookkeeping in DATEV Kanzlei-Rechnungswesen or Unternehmen online. Use it only for incoming invoices booked on the German side; use invoice_to_csv for a generic table, read_invoice for the raw data, validate_invoice for rule checks (this tool does not validate). Input: XML (UBL, CII, XRechnung, Peppol BIS 3, UAE PINT AE, FatturaPA, KSeF FA(2)/FA(3)) or a ZUGFeRD/Factur-X hybrid PDF up to 25 MB; plain or scanned PDFs without embedded XML are rejected (no OCR). Returns the file content as one text string, decoded in UTF-8: the EXTF header line, the DATEV column header, then one booking row per VAT-rate group with the gross amount and S/H flag (H for credit notes), the expense account chosen by rate under the selected SKR (e.g. SKR03 3400 for 19 %, 3300 for 7 %, 3200 for 0 %, 3120 intra-EU, 3425 reverse charge), the creditor account as Gegenkonto, document and due date, invoice number in Belegfeld 1, seller name as Buchungstext and the seller VAT id on intra-EU / reverse-charge rows. Save it as UTF-8 with CRLF before importing; the account mapping is a default to confirm with the tax advisor. An unreadable file returns a tool error with the reason. Costs one invoice credit per call; without an API key the anonymous quota is 20 invoices per day per IP. Nothing is stored.

  • invoice_to_htmlFree

    Render one European e-invoice as a self-contained, printable HTML page: header, seller and buyer, line items, VAT breakdown, totals and payment details in one layout regardless of the source syntax, labels in `lang`. Use it to show an invoice to a person or to print it to PDF from a browser; it does not validate (use validate_invoice) and is not an accounting export (use invoice_to_csv or invoice_to_datev). Input: XML (UBL, CII, XRechnung, Peppol BIS 3, UAE PINT AE, FatturaPA, KSeF FA(2)/FA(3)) or a ZUGFeRD/Factur-X hybrid PDF up to 25 MB; plain or scanned PDFs without embedded XML are rejected (no OCR). Returns the HTML document as one text string with inline CSS and no external assets; an unreadable file returns a tool error with the reason. Costs one invoice credit per call; without an API key the anonymous quota is 20 invoices per day per IP. Nothing is stored.

  • read_invoiceFree

    Parse one European or UAE (PINT AE) e-invoice into canonical EN 16931 JSON and validate it against the official rule sets in the same call. Use it when you need the invoice content (seller, buyer, lines, totals, payment) together with the verdict; use validate_invoice for a verdict-only answer, invoice_to_html / invoice_to_csv / invoice_to_datev for renderings. Input: XML (UBL, CII, XRechnung, Peppol BIS 3, UAE PINT AE, FatturaPA, KSeF FA(2)/FA(3)) or a ZUGFeRD/Factur-X hybrid PDF up to 25 MB; plain or scanned PDFs without embedded XML are rejected (no OCR). Returns the parsed invoice, the validation report with fix hints in `lang`, and timings; an unreadable file returns ok=false with error.code/message/hint instead of raising. A FatturaPA lot returns only its first invoice, with a note. For a Polish KSeF invoice, pass the KSeF number in `ksef`: it is checked against the invoice and returned on payment.ksef_number. Costs one invoice credit per call; without an API key the anonymous quota is 20 invoices per day per IP. Nothing is stored.

  • validate_invoiceFree

    Validate one European or UAE (PINT AE) e-invoice against the official rule sets (XSD, EN 16931, XRechnung, Peppol BIS, PINT AE, FatturaPA, KSeF, arithmetic) and return the verdict without the invoice body. Use it for pass/fail and the list of errors and warnings; use read_invoice when you also need lines, totals and payment data. Input: XML (UBL, CII, XRechnung, Peppol BIS 3, UAE PINT AE, FatturaPA, KSeF FA(2)/FA(3)) or a ZUGFeRD/Factur-X hybrid PDF up to 25 MB; plain or scanned PDFs without embedded XML are rejected (no OCR). Returns the validation report (valid flag, counts, rule sets with versions, failed rules with rule id, severity, fix hint in `lang`, affected field and who must act), the detected source and the document header; an unreadable file returns ok=false with error.code/message/hint instead of raising. For a Polish KSeF invoice, a KSeF number passed in `ksef` is checked too: shape, NIP check digit, and agreement with the invoice it came with. Costs one invoice credit per call; without an API key the anonymous quota is 20 invoices per day per IP. Nothing is stored.

Public scan report

scanner v0.1.10 · 2026-10-14 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1933ms20/20
  • Tool poisoning5 tool descriptions checked15/15
  • Auth qualityAPI key sent as a header8/15
  • Maintenancelast push 2 days ago15/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 85/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How InvoiceIn compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
85/100
higher than 70% of 48,243 servers
Tools
5
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
488 ms
faster than 34% of 30,027 servers

What its tools let an agent do: 5 read

Release history: 2 versions in the registry since 2026-09-10, latest 2026-09-25, typically one every 15 days.

Install InvoiceIn in Claude Code, Cursor or VS Code

claude mcp add --transport http invoicein https://invoicein-api.peculiar.systems/mcp
Add to Cursor

What the publisher says

From the InvoiceIn repository's README, as published. We do not edit it. Read it on GitHub

InvoiceIn — examples

Any European e-invoice a business receives → one canonical EN 16931 JSON, a validation report with plain-language fix hints, a PDF, CSV or DATEV export. One stateless endpoint, nothing stored.

Accepts: XRechnung (UBL and CII), EN 16931 UBL 2.1 Invoice/CreditNote, Peppol BIS Billing 3, CII D16B, ZUGFeRD 1.0 / 2.x and Factur-X hybrid PDFs, Italy's FatturaPA 1.2, Poland's KSeF FA(2)/FA(3).

  • Product page: https://invoicein.peculiar.systems (EN · DE · PL · IT · FR)
  • API reference (interactive): https://invoicein-api.peculiar.systems/docs
  • OpenAPI: https://invoicein-api.peculiar.systems/openapi.json
  • Postman: public collection · published docs — or import postman/InvoiceIn.postman_collection.json. Every request already carries a real XRechnung in its body, so Send works with no setup
  • MCP server: https://invoicein-api.peculiar.systems/mcp (streamable HTTP) — on the official registry as io.github.peculiar-systems/invoicein and on Smithery

This repository holds runnable examples, sample invoices you can test with, and the MCP registry manifest. The service itself is not open source.

Nothing you send is stored: the document is parsed in memory and the response is built from it. Privacy (full policy) · Terms

The bridge in bridge/ is a transparent proxy, not a second implementation: it mirrors whatever tools/list returns from the hosted server, so the two can never drift. The five tools and their annotations — all read-only, non-destructive, idempotent, closed-world — are in bridge/tools.json, checked by tests/. A static analyser reading the bridge source alone sees one dispatch callback and no tools; that is the proxy, not the tool surface.

60 seconds

curl -X POST "https://invoicein-api.peculiar.systems/v1/invoice?include=validation&lang=en" \
  -H "X-Api-Key: $INVOICEIN_KEY" \
  -F file=@samples/factur-x-en16931.pdf

No key yet? Leave the header out: 20 invoices a day per IP, same output. A trial key (100 invoices, 30 days, no card) comes from the product page.

The response (full example):

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Grade history

  • 2026-09-19restoreB → Ascore 85

InvoiceIn: common questions

Is InvoiceIn MCP server safe?
Yes, by our scan: it is graded A (85/100). Read the InvoiceIn safety report
How do I install InvoiceIn?
It runs remotely at invoicein-api.peculiar.systems. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does InvoiceIn need an API key?
Yes. The registry entry asks for X-Api-Key.
Is InvoiceIn maintained?
The last commit was 23 days ago (2026-10-13). The latest release is v0.1.3.
Is InvoiceIn up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does InvoiceIn compare with other MCP servers?
safety score 85/100 (higher than 70% of 48,243 servers); tools 5 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.