MCP server

NormAPI Official

com.normapi/mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Validate, generate and read German e-invoices (XRechnung, ZUGFeRD) against the official KoSIT rules.

Working at last checkVerified publisher: normapi.comAbout 7,245 tokens per request once connected4 tools

https://normapi.com/mcp

At a glance

Type: MCP server
Publisher: normapi.com (verified by the MCP Registry)
Status: Working at last check
Tools: 4
Token cost: About 7,245 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http normapi https://normapi.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.normapi]
url = "https://normapi.com/mcp"

Gemini CLI

{"mcpServers":{"normapi":{"httpUrl":"https://normapi.com/mcp"}}}

Cursor

{"mcpServers":{"normapi":{"url":"https://normapi.com/mcp"}}}

VS Code

{"servers":{"normapi":{"type":"http","url":"https://normapi.com/mcp"}}}

Antigravity

agy mcp add normapi https://normapi.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"normapi","server_url":"https://normapi.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"normapi","server_url":"https://normapi.com/mcp"}

explain_rule ~197 tokens
Explain one EN 16931 / XRechnung / Peppol business rule by its code (e.g. BR-DE-15, BR-CO-10, PEPPOL-EN16931-R010): what it requires, why invoices typically break it, and how to fix it, with a link to the full page. Case does not matter. Schema findings (cvc-*) have no explanation.
generate_invoice ~6432 tokens
Produce an e-invoice as `ubl` or `cii` XML or a ZUGFeRD hybrid PDF (`zugferd`) from invoice data: an XRechnung for a public-sector buyer (profile `xrechnung`, the default), a plain EN 16931 invoice for a business (profile `en16931`). Totals are computed server-side in decimal arithmetic, and the doc
parse_invoice ~344 tokens
Read a received e-invoice — XRechnung or any EN 16931 invoice as UBL or CII XML, or a ZUGFeRD/Factur-X PDF — into structured data. `invoice` is in exactly the shape generate_invoice takes (fields the document lacks are left out); `stated` has the totals, the VAT breakdown and each line net as the do
validate_invoice ~272 tokens
Check an XRechnung (UBL or CII XML) or a ZUGFeRD/Factur-X PDF against the official KoSIT rules. Returns the verdict, the rule set version, and every finding; each business-rule finding comes with a plain-language meaning, cause and fix. Send the XML as text in `xml`, or the PDF base64-encoded in `pd

Fakturai — German E-Invoice (ZUGFeRD / Factur-X / E-Rechnung)
KoSIT-verified German e-invoices: generate & validate ZUGFeRD, Factur-X, XRechnung, EN 16931.
Dropcoin Invoice
German e-invoicing: generate XRechnung 3.0, pre-check and extract (incl. ZUGFeRD PDF). Paid.
Einvoicewiz
Generate & validate EN 16931 e-invoices (Factur-X, ZUGFeRD, XRechnung); verification certificates
InkVoice — XRechnung & E-Invoicing
XRechnung and ZUGFeRD e-invoicing (EN 16931): create, validate, check Leitweg-IDs, German VAT.
Invoiceer e-invoicing tools
Create and validate XRechnung, ZUGFeRD and Peppol e-invoices (KoSIT); Peppol lookup, rule help.
invowerk
E-invoice checker for ZUGFeRD, Factur-X, XRechnung and Peppol BIS. Free web tool, API and MCP.
InvoiceIn
XRechnung, Factur-X, Peppol, PINT AE, FatturaPA, KSeF → JSON + fix hints. Hosted; MIT=examples only
Causaprima Scribo
EN 16931-compliant e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS, Facturae or US PDF. Free.

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