Home / MCP registry index / io.github.zifengw/eu-business-data-mcp
EU Business Data (VAT, EORI, company, sanctions, KYB)
io.github.zifengw/eu-business-data-mcp in the official MCP registry.
Endpoint https://api.wsystem.dev/mcp/. Source: github.com/zifengw/eu-business-data-mcp.
The registry describes it as: EU VAT (VIES) and EORI validation, company registry, sanctions screening, KYB. Free tier, x402.
We read its 13 tools on 2026-10-22. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
verify_vat verify_batch lookup_company screen_sanctions kyb_check verify_eori verify_eori_batch validate_einvoice create_einvoice einvoice_route send_einvoice_sandbox due_diligence_report check_fr_pa_registry
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[](https://lazaretto.dev/mcp-registry/io-github-zifengw-eu-business-data-mcp)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.
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