MCP server

Counterfoil

com.einvoicegoblin/counterfoil

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

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

Website

At a glance

Type

MCP server

Publisher

einvoicegoblin.com (verified by the MCP Registry)

Status

Working at last check

Tools

4

Token cost

About 677 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

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

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 counterfoil https://einvoicegoblin.com/mcp

Claude Desktop

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

Codex (config.toml)

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

Gemini CLI

{"mcpServers":{"counterfoil":{"httpUrl":"https://einvoicegoblin.com/mcp"}}}

Cursor

{"mcpServers":{"counterfoil":{"url":"https://einvoicegoblin.com/mcp"}}}

VS Code

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

Antigravity

agy mcp add counterfoil https://einvoicegoblin.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":"counterfoil","server_url":"https://einvoicegoblin.com/mcp","require_approval":"always"}

Grok (xAI API tools)

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

Tools

• check_invoice ~179 tokens
  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
• explain_error ~131 tokens
  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.
• get_rule ~116 tokens
  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 ~251 tokens
  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.

Browse

• Invoicing and accounting

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