dev.numberrank/numberrank · v1.0.0 · communication
numberRank is healthy: it completed an MCP handshake in 2505 ms and exposes 2 tools. It scores 59/100.
Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.
Endpoint: https://numberrank.dev/mcp (streamable-http)
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| health | 17 / 25 |
| authEase | 15 / 15 |
| toolQuality | 15 / 15 |
| maintenance | 7 / 15 |
| adoption | 0 / 10 |
| usage | 0 / 10 |
| security | 5 / 10 |
Scoring v0.3, computed 2026-10-15T02:36:22.716Z.
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-14T23:25:35.510Z | Healthy | 2505 |
check_number | Tells you whether a phone number is VoIP or a real carrier line, with a 0 to 100 score and letter grade, using Twilio Lookup line type intelligence. Use it before relying on a number for SMS or OTP verification. US numbers can be 10 digits; any other country needs + and the country code. |
directory | Returns the numberRank directory: AI agent phone providers and personal agents graded by whether their published and provisioned numbers read as real carrier lines or VoIP. Numbers are masked. |