MCP server

Vat

io.github.pipeworx-io/vat

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

VAT-number format validation MCP (EU + UK/CH/NO).

Working at last checkOfficial: pipeworx.io's GitHub account (pipeworx-io)About 26,568 tokens per request once connected44 tools

https://gateway.pipeworx.io/vat/mcp

At a glance

Type: MCP server
Publisher: pipeworx.io (verified by the MCP Registry)
Status: Working at last check
Tools: 44
Token cost: About 26,568 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

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 vat https://gateway.pipeworx.io/vat/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.vat]
url = "https://gateway.pipeworx.io/vat/mcp"

Gemini CLI

{"mcpServers":{"vat":{"httpUrl":"https://gateway.pipeworx.io/vat/mcp"}}}

Cursor

{"mcpServers":{"vat":{"url":"https://gateway.pipeworx.io/vat/mcp"}}}

VS Code

{"servers":{"vat":{"type":"http","url":"https://gateway.pipeworx.io/vat/mcp"}}}

Antigravity

agy mcp add vat https://gateway.pipeworx.io/vat/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":"vat","server_url":"https://gateway.pipeworx.io/vat/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"vat","server_url":"https://gateway.pipeworx.io/vat/mcp"}

list_vat_formats ~48 tokens
List the supported countries and their VAT-number formats.
validate_vat ~217 tokens
Validate the FORMAT of a VAT registration number for the EU (+ UK/CH/NO), keyless & offline. Accepts the number with its country prefix ("DE123456789") or a national number plus `country`. Returns whether it matches the official country pattern. NOTE: format only — it does NOT confirm the VAT number

Phone Format Check
Offline phone number validation and formatting at the edge: E.164/national/international formats,...
Jithox E-Invoice Readiness
Read-only EU e-invoice checks: VAT format, VIES, Peppol lookup. Returns evidence, no filing.
AgentBIT
x402 router-proxy + 79 keyless pay-per-call tools on Base. Pay once, we run the best tool.
Nigerian Reference Data
Nigerian phone, bank-account and identity-number validation for AI agents. Pay-per-call in USDC.
PhoneCheck
Offline phone-number validation and formatting (E.164, region, line type). No carrier lookup.
APIShed
Validates PESEL/NIP/REGON/IBAN/Luhn/ISBN/EAN/BIC/VAT; RPN, dates, hash, tokens, random, encode, time
Code402
Discover machine-payable APIs, probe x402 payment terms, and run seller operations. Non-custodial.
SweKit - Swedish validators
Swedish personnummer/orgnr/bankgiro/OCR validation, kontonummer to IBAN, bankdagar.

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