numberRank

by numberrank.dev·dev.numberrank/numberrank·v1.0.0

Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.

C69/100grade C

What users say

No reviews yet

Safety scan

C69/100

Adoption

New

Little public usage data yet

Reviews

Nobody has reviewed numberRank yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

check_numberFree
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.
directoryFree
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.

scanner v0.1.3 · 2026-09-19 · same rubric, same numbers if you re-run it

1 low

Overall 69/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

claude mcp add --transport http numberrank https://numberrank.dev/mcp

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