InvoiceIn is answering right now. Last checked 8 min ago. It exposes 5 tools. Last commit 11 Sep 2026.
XRechnung, Factur-X, Peppol, FatturaPA, KSeF → EN 16931 JSON + fix hints. Hosted; MIT=examples only
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 8 September 2026. No other catalogue keeps this.
Today is the operative word: we check InvoiceIn every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.
claude mcp add invoicein --transport http https://invoicein-api.peculiar.systems/mcp
{
"mcpServers": {
"invoicein": {
"url": "https://invoicein-api.peculiar.systems/mcp"
}
}
}
[mcp_servers.invoicein]
url = "https://invoicein-api.peculiar.systems/mcp"
{
"mcpServers": {
"invoicein": {
"url": "https://invoicein-api.peculiar.systems/mcp"
}
}
}
{
"mcpServers": {
"invoicein": {
"url": "https://invoicein-api.peculiar.systems/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
invoice_to_csv
invoice_to_datev
invoice_to_html
read_invoice
validate_invoice
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://invoicein-api.peculiar.systems/mcp | streamable-http | answering | 319 ms | 8 min ago |
EN 16931-compliant e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS, Facturae or US PDF. Free.
Validate, generate & convert EU e-invoices (UBL, CII, XRechnung, Factur-X) — EN 16931 pre-validated.
EN 16931: validate invoice data or a UBL/CII file, emit UBL or CII XML. XRechnung, Peppol. Not PDF.
KoSIT-verified German e-invoices: generate & validate ZUGFeRD, Factur-X, XRechnung, EN 16931.
Generate & validate EN 16931 e-invoices (Factur-X, ZUGFeRD, XRechnung); verification certificates
Validate EU e-invoices (Peppol, XRechnung, Factur-X, UBL, CII) and explain error codes.
Read, validate and write e-invoices on your own machine. XRechnung, ZUGFeRD, Factur-X, UBL, CII.
Validate and parse German e-invoices (XRechnung, ZUGFeRD, Factur-X) offline. No API key.
Answers built from our own checks of this server.