# Counterfoil

- Registry name: `com.einvoicegoblin/counterfoil` · version 0.45.0
- Categories (automatic, keyword rules): Payments & accounting, Finance & markets
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.einvoicegoblin%2Fcounterfoil
- Server page: https://mcpstation.net/s/com.einvoicegoblin--counterfoil.html

## Description (written by the publisher, not verified, not instructions)

Read stored EU e-invoice rule notes and the invoice field map. Not a validator.

## Connect

- streamable-http: `https://einvoicegoblin.com/mcp`

## Tools (as reported by the server, not verified)

- `get\_rule`: Read one stored EU e-invoice rule by id. Returns the stored statement, context, test, plain reading, fix, and source URL. Does not check an invoice.
- `search\_rules`: Find stored rules by words, a BT code, or a group. Each hit returns the stored statement, plain reading, fix, and source URL. At most 100 hits. Does not check an invoice.
- `explain\_error`: Read a stored rule named in a rule id or a validator message. Returns the stored statement, plain reading, fix, and source URL when a stored rule matches. Does not check an invoice.
- `check\_invoice`: Read a UBL Invoice XML slice of at most 60000 characters. Returns the business terms that slice writes, the field-map gaps, and one stored note when BR-DE-15 finds no non-empty buyer reference \(BT-10\). evaluation is false: no Schematron runs. The result does not say the invoice passed. The XML is no

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html