numberRank

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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Score 59/100

health17 / 25
authEase15 / 15
toolQuality15 / 15
maintenance7 / 15
adoption0 / 10
usage0 / 10
security5 / 10

Scoring v0.3, computed 2026-10-15T02:36:22.716Z.

Health history

Checked (UTC)StatusLatencyError
2026-10-14T23:25:35.510ZHealthy2505

Tools (2)

check_numberTells 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.
directoryReturns 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.