INDIVIDUAL MCP TOOL
explain_rule
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.
LIVE ENDPOINT
https://invoiceer.io/mcp
Connect to this endpoint to inspect the live schema for explain_rule and invoke it with your own arguments.
Indexed input schema
{}Risk classification
Potential side effects detected · medium confidence · heuristic, not a guarantee.
- A tool name or description suggests a financial action.
Parent server
CONNECT WITH APPROVAL
Client installation
Review this server and its permissions before adding it. Secret placeholders must be set locally.
Codex
~/.codex/config.toml
[mcp_servers.invoiceer]
url = "https://invoiceer.io/mcp"
enabled = true
Claude Code
.mcp.json
{
"mcpServers": {
"invoiceer": {
"type": "http",
"url": "https://invoiceer.io/mcp"
}
}
}
Claude Desktop
Settings → Connectors → Add custom connector
Name: invoiceer
Remote MCP URL: https://invoiceer.io/mcp
Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.
Cursor
.cursor/mcp.json
{
"mcpServers": {
"invoiceer": {
"url": "https://invoiceer.io/mcp"
}
}
}
Visual Studio Code
.vscode/mcp.json
Add to Visual Studio Code{
"servers": {
"invoiceer": {
"type": "http",
"url": "https://invoiceer.io/mcp"
}
}
}
Generic MCP
Client-specific MCP configuration
{
"name": "invoiceer",
"transport": "streamable-http",
"url": "https://invoiceer.io/mcp"
}
MCP Inspector
Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.
Related tools
validate_einvoice— Validate an e-invoice (XRechnung UBL/CII, ZUGFeRD / Factur-X PDF, Peppol BIS Billing 3.peppol_lookup— Check whether a company can receive e-invoices over Peppol.check_leitweg_id— Check a German Leitweg-ID (buyer reference BT-10 for invoices to German public authorities) against the official format and check digit (spec v2.create_einvoice— Create a valid e-invoice from structured data: XRechnung 3.read_invoice_pdf— 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).