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MCP Server

einvoicewiz

com.einvoicewiz/einvoicewiz
Legal & Compliance Payments & Fintech Public & reachable MCP 2025-11-25

What this MCP does

Generates and validates EN 16931 electronic invoices, including Factur-X, ZUGFeRD, and XRechnung files, with verification certificates.

Capabilities

Tools

7 tools
check_credits
Credits remaining and calls used for an API key.
Input schema 
{'type': 'object', 'title': 'check_creditsArguments', 'properties': {'api_key': {'type': 'string', 'title': 'Api Key', 'default': ''}}}
create_facturx_pdf
Your existing PDF invoice + invoice JSON → Factur-X / ZUGFeRD PDF/A-3 with embedded XML (1 credit). pdf_base64: the original PDF, base64-encoded (max 15 MB). Returns {pdf_base64, cert_id, verify_url, credits_left}. The output is validated (EN 16931 + PDF/A-3) before delivery; failures are not charged.
Input schema 
{'type': 'object', 'title': 'create_facturx_pdfArguments', 'required': ['pdf_base64', 'invoice'], 'properties': {'api_key': {'type': 'string', 'title': 'Api Key', 'default': ''}, 'invoice': {'type': 'object', 'title': 'Invoice', 'additionalProperties': True}, 'pdf_base64': {'type': 'string', 'title': 'Pdf Base64'}}}
generate_einvoice_xml
Invoice JSON → validated EN 16931 CII XML (1 credit; failures free). profile: "en16931" (Factur-X/ZUGFeRD data, B2B) or "xrechnung" (German public sector; needs invoice.buyer_reference = Leitweg-ID and seller contact_email/contact_phone). Invoice schema: see https://einvoicewiz.com/openapi.json (required: invoice_number, issue_date, currency, seller{name,country}, buyer{name,country}, lines[{name,qty,unit_price,vat_rate}]). Returns {xml, validation, verify:{id,url}, credits_left}. On 422 the body lists the violated rules.
Input schema 
{'type': 'object', 'title': 'generate_einvoice_xmlArguments', 'required': ['invoice'], 'properties': {'api_key': {'type': 'string', 'title': 'Api Key', 'default': ''}, 'invoice': {'type': 'object', 'title': 'Invoice', 'additionalProperties': True}, 'profile': {'type': 'string', 'title': 'Profile', 'default': 'en16931'}}}
lookup_certificate
Look up a verification certificate (EIW-…) — free, no key. Confirms which file hashes passed validation and when.
Input schema 
{'type': 'object', 'title': 'lookup_certificateArguments', 'required': ['cert_id'], 'properties': {'cert_id': {'type': 'string', 'title': 'Cert Id'}}}
signup
Create an einvoicewiz API key with 20 free credits (no card). The key is shown once — store it.
Input schema 
{'type': 'object', 'title': 'signupArguments', 'required': ['email'], 'properties': {'email': {'type': 'string', 'title': 'Email'}}}
validate_einvoice
Validate a Factur-X / ZUGFeRD / XRechnung file (PDF or XML, base64) against EN 16931 + KOSIT + PDF/A (1 credit). Returns the rule-level report {result:{status, errors[], warnings[], profile}, verify, credits_left}. verify is set only when the file passed.
Input schema 
{'type': 'object', 'title': 'validate_einvoiceArguments', 'required': ['file_base64'], 'properties': {'api_key': {'type': 'string', 'title': 'Api Key', 'default': ''}, 'file_base64': {'type': 'string', 'title': 'File Base64'}}}
which_format_do_i_need
Decision helper (free, no key): which e-invoice format a recipient needs and whether a plain PDF is still acceptable.
Input schema 
{'type': 'object', 'title': 'which_format_do_i_needArguments', 'required': ['recipient_country'], 'properties': {'recipient_country': {'type': 'string', 'title': 'Recipient Country'}, 'recipient_is_public_authority': {'type': 'boolean', 'title': 'Recipient Is Public Authority', 'default': False}}}
History

Recent tool changes

Added
which_format_do_i_need
Sept. 17, 2026, 12:34 p.m.
Added
lookup_certificate
Sept. 17, 2026, 12:34 p.m.
Added
validate_einvoice
Sept. 17, 2026, 12:34 p.m.
Added
create_facturx_pdf
Sept. 17, 2026, 12:34 p.m.
Added
generate_einvoice_xml
Sept. 17, 2026, 12:34 p.m.
Added
check_credits
Sept. 17, 2026, 12:34 p.m.
Added
signup
Sept. 17, 2026, 12:34 p.m.
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