Side-by-Side Model Context Protocol Comparison
Vies Eu vs Vat
In-depth architectural comparison of the Vies Eu and Vat MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Vies Eu
Developer Tools · Remote HTTP/SSE
Quality: 49/100 (Fair) | Auth: No auth required
Vat
Developer Tools · Remote HTTP/SSE
Quality: 48/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Vies Eu if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Vat if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's
mcpServers manifest.Which MCP Server Should You Choose?
V
Choose Vies Eu when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: check_vat, service_status.
V
Choose Vat when:
- You need dedicated capabilities in the Developer Tools domain.
- You prefer remote streaming HTTP/SSE transport architecture.
- Your security boundary fits: No auth required (Free / Open Source).
- Primary tools included: validate_vat, list_vat_formats.
Feature & Specification Comparison
Tools & Capabilities Breakdown
Vies Eu Tools (2)
check_vat
Validate an EU VAT number against VIES. Returns whether the number is a valid/registered EU VAT registration, plus the registered name and address when the member state publishes them (many states return "---" or empty even for valid numbers). A false result means not registered/invalid. If the nat…
service_status
List all EU member states and whether each national VAT-checking service is currently Available or Unavailable, plus overall VIES (VoW) availability. Use this before/after a failed check_vat to tell a temporary national outage apart from a genuinely invalid VAT number.
Vat Tools (2)
validate_vat
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 numbe…
list_vat_formats
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Vies Eu Configuration
Vat Configuration
Frequently Asked Questions
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