vat_validate
shallowio.github.paulieb89/uk-due-diligence-mcp · Verify this server
Validate a UK (GB) VAT number against the HMRC register. UK numbers only. Returns the trading name and address as registered with HMRC for VAT purposes. The VAT-registered trading address often differs from the Companies House registered address — that discrepancy is a due diligence signal worth noting. Non-UK (EU) VAT numbers cannot be validated here — use the EU VIES service for other member states.
1 trials · measured 55 days ago
vat_validate scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against io.github.paulieb89/uk-due-diligence-mcp, measured 25 Aug 2026 under methodology v0.2.0. Every measured component scored 100.
Component breakdown
| Component | Weight | Value |
|---|---|---|
| Reliability | 35% | not applicable |
| Schema integrity | 25% | 100.0 |
| Failure behaviour | 15% | not applicable |
| Latency | 15% | not applicable |
| Concurrency | 10% | not applicable |
Tool details
- Transport
- remote + stdio
- Credential class
- open
- Input schema
- not declared
- Output schema
- not declared
- Side-effect classification
- unclassified
Score history
| Day | Score | Tier | Methodology |
|---|---|---|---|
| 2026-08-25 | 100.0 | shallow | v0.2.0 |
Probe evidence
| Probe | Outcomes |
|---|---|
| schema_integrity | pass: 1 |
Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.
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[](https://vouch.tools/tools/f1d70282-68d7-4398-b021-2434498a866d)