numberRank
dev.numberrank/numberrank · v1.0.0 · MCP 2025-11-25
Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.
Reachability
reachable
checked 2026-09-20 05:31 UTC
Registry status active
Tools pinned 2
13ed30722456
Tools last changed
unchanged since first capture 2026-09-17
Provenance
Registry namespace dev.numberrank
(domain verified by the official registry)
Website
https://numberrank.dev
Remote endpoints
https://numberrank.dev/mcp (streamable-http)
Observed changes
| When (UTC) | Event | Detail |
|---|---|---|
| 2026-09-17 05:30 | first capture | 2 tools pinned |
Pinned tool definitions (2)
| Tool | Description |
|---|---|
| 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... |
| 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. |
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