API Tools

wsystem.dev

Provides EU VAT validation, company register lookup, sanctions screening, and combined KYB compliance checks via official APIs.

x402 supported1 endpoint7 known toolsFirst detected October 17, 2026Last detected October 17, 2026

ENDPOINT 1

https://api.wsystem.dev/mcp

No auth detected

MCP server metadata

Name: eu-business-data
Version: 1.30.0

Capabilities

experimentalpromptsresourcestools

Server instructions

W System EU business data tools (maker: W System Hungary Kft.). Use verify_vat for EU VAT numbers (VIES), verify_eori for EU customs EORI numbers, lookup_company for official business-register data, screen_sanctions for EU/UN/OFAC/UK sanctions lists, kyb_check to combine all three into a verdict. No API key needed; 20 free calls/day per IP.

Known tools 7

verify_vat

Validate an EU VAT number against the official European Commission VIES service (27 EU states + XI Northern Ireland).

Inferred read-only

verify_batch

Validate up to 100 EU VAT numbers in one call via VIES (supplier/customer list cleanup, onboarding, invoice runs).

Potential side effects

lookup_company

Look up a company in official European business registers by name or registry number.

Inferred read-only

screen_sanctions

Screen a person or company name against official EU, UN, OFAC SDN and UK sanctions lists.

Inferred read-only

kyb_check

One-call KYB check of a supplier/customer: EU VAT validation (VIES) + official business register + EU/UN/OFAC/UK sanctions screening, returning a pass / review / fail verdict with reasons.

Inferred read-only

verify_eori

Validate an EU EORI (customs Economic Operators Registration and Identification) number, e.

Inferred read-only

verify_eori_batch

Validate up to 100 EU EORI numbers in one call via the official EC EOS service (customs / import-export KYB).

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.eu-business-data]
url = "https://api.wsystem.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "eu-business-data": {
      "type": "http",
      "url": "https://api.wsystem.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: eu-business-data
Remote MCP URL: https://api.wsystem.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "eu-business-data": {
      "url": "https://api.wsystem.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "eu-business-data": {
      "type": "http",
      "url": "https://api.wsystem.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "eu-business-data",
  "transport": "streamable-http",
  "url": "https://api.wsystem.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.