Counterfoil

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

Install

Remote server: your requests and data go to einvoicegoblin.com. Claude Code: claude mcp add --transport http counterfoil https://einvoicegoblin.com/mcp · Claude app: Settings → Connectors → Add custom connector.

What it can do

The tools this server listed when we connected to it, in its own words.

• 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
• 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 hi
• 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
• 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 n

KitScout test notes

Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.

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