MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.
ustidnr-mcp
Validate EU VAT IDs directly from your AI assistant. The only MCP server with qualifizierte Bestätigung (qualified confirmation) — the legally required proof for German businesses doing EU cross-border transactions under §6a UStG. Powered by the official BZSt eVatR API. No API key required.
44/100
Operational Score
Score Breakdown
Availability20/30
Conformance10/30
Performance14/40
Key Metrics
Uptime 30d
95.7%
P95 Latency
472.7ms
Conformance
Fail
Trend
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 472ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 472ms, task completion: 0%
Improvement Tips
- -Improve uptime (currently 95.7%, target 99%+)
Recent Probe Results
| Timestamp | Status | Latency | Conformance |
|---|---|---|---|
| May 16, 2026 | success | 472.7ms | Pass |
| May 13, 2026 | success | 183.6ms | Pass |
| May 13, 2026 | success | 194ms | Pass |
| May 12, 2026 | success | 288.5ms | Pass |
| May 11, 2026 | success | 172.3ms | Pass |
| May 9, 2026 | success | 393.4ms | Pass |
| May 7, 2026 | success | 194.1ms | Pass |
| May 7, 2026 | success | 202.4ms | Pass |
| May 7, 2026 | success | 268.1ms | Pass |
| May 6, 2026 | success | 192.4ms | Pass |
Source Registries
smithery
First Seen
Apr 10, 2026
Last Seen
May 15, 2026
Last Probed
May 16, 2026