einvoicewiz
Generate & validate EN 16931 e-invoices (Factur-X, ZUGFeRD, XRechnung); verification certificates
Should I use this
Quality & Safety
Findings (2)
- HIGHTool poisoning patterns detected
- MEDIUMTool description contains URL to non-standard domainin generate_einvoice_xml
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"einvoicewiz": {
"url": "https://einvoicewiz.com/mcp"
}
}
}Remote endpoints
https://einvoicewiz.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (7)
🟡signup(email)
Create an einvoicewiz API key with 20 free credits (no card). The key is shown once — store it.
Input Schema
{
"type": "object",
"properties": {
"email": {
"title": "Email",
"type": "string"
}
},
"required": [
"email"
],
"title": "signupArguments"
}🟢check_credits(api_key)
Credits remaining and calls used for an API key.
Input Schema
{
"type": "object",
"properties": {
"api_key": {
"default": "",
"title": "Api Key",
"type": "string"
}
},
"title": "check_creditsArguments"
}⚪generate_einvoice_xml(invoice, profile, api_key)
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",
"properties": {
"invoice": {
"additionalProperties": true,
"title": "Invoice",
"type": "object"
},
"profile": {
"default": "en16931",
"title": "Profile",
"type": "string"
},
"api_key": {
"default": "",
"title": "Api Key",
"type": "string"
}
},
"required": [
"invoice"
],
"title": "generate_einvoice_xmlArguments"
}🟡create_facturx_pdf(pdf_base64, invoice, api_key)
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",
"properties": {
"pdf_base64": {
"title": "Pdf Base64",
"type": "string"
},
"invoice": {
"additionalProperties": true,
"title": "Invoice",
"type": "object"
},
"api_key": {
"default": "",
"title": "Api Key",
"type": "string"
}
},
"required": [
"pdf_base64",
"invoice"
],
"title": "create_facturx_pdfArguments"
}🟡validate_einvoice(file_base64, api_key)
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",
"properties": {
"file_base64": {
"title": "File Base64",
"type": "string"
},
"api_key": {
"default": "",
"title": "Api Key",
"type": "string"
}
},
"required": [
"file_base64"
],
"title": "validate_einvoiceArguments"
}⚪lookup_certificate(cert_id)
Look up a verification certificate (EIW-…) — free, no key. Confirms which file hashes passed validation and when.
Input Schema
{
"type": "object",
"properties": {
"cert_id": {
"title": "Cert Id",
"type": "string"
}
},
"required": [
"cert_id"
],
"title": "lookup_certificateArguments"
}⚪which_format_do_i_need(recipient_country, recipient_is_public_authority)
Decision helper (free, no key): which e-invoice format a recipient needs and whether a plain PDF is still acceptable.
Input Schema
{
"type": "object",
"properties": {
"recipient_country": {
"title": "Recipient Country",
"type": "string"
},
"recipient_is_public_authority": {
"default": false,
"title": "Recipient Is Public Authority",
"type": "boolean"
}
},
"required": [
"recipient_country"
],
"title": "which_format_do_i_needArguments"
}Community
Evidence