Invoiceer e-invoicing tools

Server Details

Create and validate XRechnung, ZUGFeRD and Peppol e-invoices (KoSIT); Peppol lookup, rule help.

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Status: Healthy
Last Tested: 2026-10-22 23:34
Transport: Streamable HTTP · MCP 2025-06-18
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Available Tools

6 tools

check_leitweg_idCheck a Leitweg-ID

Read-only

Inspect

Check a German Leitweg-ID (buyer reference BT-10 for invoices to German public authorities) against the official format and check digit (spec v2.0.2), and whether the authority is registered on Peppol (peppol_registered). Returns validity, the parts and the expected check digits.

ParametersJSON Schema

Name	Required	Description	Default
`lang`	No		en
`leitweg_id`	Yes	e.g. 991-33333TEST-33

create_einvoiceCreate an e-invoice

Read-only

Inspect

Create a valid e-invoice from structured data: XRechnung 3.0 (UBL or CII), ZUGFeRD / Factur-X PDF (EN 16931) or Peppol BIS Billing 3.0. The file is checked with the official KoSIT validator before it is returned; if it fails, you get the rule errors instead of a file. XML comes back as text in xml, the ZUGFeRD PDF as base64 in pdf_base64. XRechnung needs a seller contact (contact, phone, email), a buyer email or Peppol ID (electronic address), a buyer_reference (Leitweg-ID for German authorities) and payment details (iban). Peppol needs peppol_id for seller and buyer.

ParametersJSON Schema

Name	Required	Description	Default
`bic`	No
`iban`	No
`note`	No
`buyer`	Yes
`lines`	Yes
`format`	No		xrechnung-ubl
`number`	Yes
`seller`	Yes
`currency`	No		EUR
`due_date`	No	YYYY-MM-DD, default issue + 14 days
`issue_date`	No	YYYY-MM-DD, default today
`period_end`	No
`credit_note`	No
`paid_amount`	No	Already paid (BT-113), e.g. down payments
`skonto_base`	No	Optional base amount if Skonto applies to part of the amount due
`skonto_days`	No	Early-payment discount (Skonto): days; written into BT-20 in the XRechnung format (BR-DE-18)
`period_start`	No
`payment_terms`	No
`skonto_percent`	No	Skonto percentage, e.g. 2
`buyer_reference`	No
`order_reference`	No
`payment_reference`	No
`preceding_invoice`	No	Original invoice number (credit notes)

explain_ruleExplain a validation rule

Read-only

Inspect

Explain an e-invoice business rule code (EN 16931 BR-, BR-CO-, XRechnung BR-DE-, Peppol PEPPOL-EN16931-): official text (with an English translation for German-only rules), plain-language meaning, severity, the fields (BT/BG) involved and a link to the reference page.

ParametersJSON Schema

Name	Required	Description	Default
`code`	Yes	Rule code, e.g. BR-DE-15 or BR-CO-10.

peppol_lookupPeppol participant lookup

Read-only

Inspect

Check whether a company can receive e-invoices over Peppol. Accepts a Peppol ID (e.g. 0208:0123456749), a VAT number (e.g. BE0123456749, NL...B01) or a Belgian enterprise number. Returns each matching participant ID, whether it is registered, whether it accepts Peppol BIS invoices, and name/country from the Peppol Directory when published.

ParametersJSON Schema

Name	Required	Description	Default
`query`	Yes	Peppol ID, VAT number or enterprise number.

read_invoice_pdfRead a PDF invoice

Read-only

Inspect

Read an ordinary (non-e-invoice) PDF invoice and return its data in the input format of create_einvoice: seller and buyer (name, address, VAT ID, country), invoice number, dates, IBAN/BIC, Leitweg-ID and the invoice lines (only if quantity x price and the line sum match the PDF's net total; otherwise one line with the net total). Regex-based, no guessing: fields we can't read reliably are missing and listed in missing. Check and complete them, then call create_einvoice to get XRechnung, ZUGFeRD or Peppol. Scanned PDFs (no text layer) are not supported. Pass the PDF base64-encoded in file_base64. Max 5 MB.

ParametersJSON Schema

Name	Required	Description	Default
`file_base64`	Yes	The PDF invoice, base64-encoded.

validate_einvoiceValidate an e-invoice

Read-only

Inspect

Validate an e-invoice (XRechnung UBL/CII, ZUGFeRD / Factur-X PDF, Peppol BIS Billing 3.0, EN 16931) with the official KoSIT validator. Returns valid/invalid, the detected format, every error and warning with its rule code, and the exact corrected value for common calculation errors. Pass the XML as text in xml, or a PDF/XML file base64-encoded in file_base64. Max 5 MB.

ParametersJSON Schema

Name	Required	Description
`xml`	No	The invoice XML (UBL or CII) as text.
`france`	No	Also check the French rules (BR-FR, XP Z12-012), reported as a separate `france` block. Automatic when the seller country is FR.
`file_base64`	No	Alternative: the file (ZUGFeRD/Factur-X PDF or XML), base64-encoded.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

1 tool updateOct 22, 2026

Changedcreate_einvoice4 fields changed

addedInput schema / properties / paid_amount

Added value: +{
+  "description": "Already paid (BT-113), e.g. down payments",
+  "type": "number"
+}

addedInput schema / properties / skonto_base

Added value: +{
+  "description": "Optional base amount if Skonto applies to part of the amount due",
+  "type": "number"
+}

addedInput schema / properties / skonto_days

Added value: +{
+  "description": "Early-payment discount (Skonto): days; written into BT-20 in the XRechnung format (BR-DE-18)",
+  "type": "integer"
+}

addedInput schema / properties / skonto_percent

Added value: +{
+  "description": "Skonto percentage, e.g. 2",
+  "type": "number"
+}

1 tool updateOct 22, 2026

Changedvalidate_einvoice1 field changed

addedInput schema / properties / france

Added value: +{
+  "description": "Also check the French rules (BR-FR, XP Z12-012), reported as a separate `france` block. Automatic when the seller country is FR.",
+  "type": "boolean"
+}

1 tool updateOct 22, 2026
- Addedread_invoice_pdf
1 tool updateOct 21, 2026
- Addedcreate_einvoice
4 tool updatesOct 21, 2026
- First observedcheck_leitweg_id
- First observedexplain_rule
- First observedpeppol_lookup
- First observedvalidate_einvoice

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