EU VAT Compliance
MCP server for EU VAT compliance. Validate VAT numbers via VIES, look up VAT rates for all 27 EU member states, check reverse charge eligibility, and determine VAT treatment for cross-border B2B/B2C transactions. 7 tools included.
0Tools
2Findings
Mar 24, 2026Last Scanned
1 medium · 1 low findings detected
Security Category Deep Dive
Prompt Injection
Prompt & context manipulation attacks
69
Maturity
14
Rules
5
Sub-Categories
1
Gaps
64%
Implemented
56
Tests
1
Stories
100%3 rules
Injection via tool descriptions and parameter fields
GAP-001Prompt Injection Coverage GapMissing detection coverage for emerging prompt injection attack variants not addressed by current rules
100%4 rules
Hidden instructions via external content and tool responses
100%2 rules
Context window saturation and prior-approval exploitation
100%3 rules
Payload hiding via invisible chars, base64, schema fields
100%2 rules
Injection via prompt templates and runtime tool output
Findings2
1medium
1low
Medium1
mediumE1No Authentication RequiredMCP07-insecure-config
[Protocol] Server does not require authentication. Any client can connect and invoke tools.
Implement authentication. For remote servers, use OAuth 2.0 (MCP Authorization spec).
Low1
lowF4MCP Spec Non-ComplianceMCP07-insecure-config
Server fails MCP spec compliance checks: required:server_name; required:server_version; required:protocol_version; recommended:tool_descriptions; recommended:parameter_descriptions
Follow the MCP specification for server metadata. Include server name, version, and protocol version. Provide descriptions for all tools and parameters.