eurc402 — EU compliance (VAT + company data)

Free EU VAT (VIES) + pan-EU company data (10 registers), payable in EURC/USDC via x402.

CommunityOnlineNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Free EU VAT (VIES) + pan-EU company data (10 registers), payable in EURC/USDC via x402.

    How to connect

    How to connect eurc402 — EU compliance (VAT + company data) to Claude

    The server address to paste into Claude settings:

    https://eurc402.com/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect eurc402 — EU compliance (VAT + company data) to ChatGPT

    The server address to paste into ChatGPT settings:

    https://eurc402.com/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect eurc402 — EU compliance (VAT + company data) to Cursor

    The server address to paste into Cursor settings:

    https://eurc402.com/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (3)

    Raw names from tools/list. Only developers need these.

    validate_eu_vatValidate an EU VAT number against the official EU VIES registry. FREE. Returns whether the number is currently valid and, when the member state discloses it, the registered company name and address. Covers all 27 EU member states.
    lookup_eu_companyDetect the jurisdiction of a company registration number for FREE across 10 EU registers (no, fr, fi, sk, gb, lv, ro, ee, cz, pl). The FULL normalized record (legal name, status, legal form, registered address, incorporation date, officers, provenance) is a PAID x402 service (EUR 0.05/call in EURC or USDC on Base) — this tool returns the exact paid endpoint, price, and how to pay.
    list_supported_countriesList the EU company registers currently covered by lookup_eu_company / the paid eu-company endpoint, with each register's country, source, licence, whether officers are returned, and the identifier format. FREE. Call this to discover coverage before paying.