MCP serverdev.numberrank/numberrank
Is a phone number VoIP or a real carrier line?
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Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.Overview
Score?
UNRATED 0.632
of what a free look can see, on 17 looks
Looks
20
last 4 min ago
Tools
2
More info
URL
numberrank.dev/mcp
streamable-http
Says it is
numberrank 1.0.0
protocol 2025-06-18
In the record since
17 days ago
Among servers18,413 with a card
0median 0.606 · this server 0.632 · highest on record 0.8561
Score, from free looks onlycomputed 2 days ago
UN
RATED
RATED
0.632
17 looks · 30 days · measures answering, whether its declared schemas are well formed and speed
| Component | Weight ? | Lower bound | Adds |
|---|---|---|---|
| liveness it answered at all | 0.43 | 0.64 | 0.274 |
| schema conformance the answer matched the shape it published | 0.43 | 0.64 | 0.274 |
| latency p95 it answered as fast as its class | 0.14 | 0.59 | 0.084 |
| Composite | 1.00 | 0.632 |
Not measured: correctness, honesty, price stability ?
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://numberrank.dev/mcpcurl -s https://api.teppi.xyz/v1/trust/mcp/mcs_01M2PZ52MY4PP4TMZWDQSC86DF