Connect-MCP

numberRank

dev.numberrank/numberrank · v1.0.0

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

MCPremoteno credentialsMessaging

Reported outcomes

No reports yet.

Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 2 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

A 100/100

What it does: 2 tools · 2 read, 0 write · Messaging, Developer tools

Test call directory: worked (1,010 ms)

How the rating is made
  • Answers without login: +30
  • Speed of first answer: +10
  • Lists tools: +10
  • Tool descriptions: +15
  • Parameter descriptions: +10
  • Read/write annotations: +5
  • Safe test call: +20
  • More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL
https://numberrank.dev/mcp

Tools

2 tools listed at last check
  • 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.

Badge

Connect-MCP badge for dev.numberrank/numberrank

Markdown for your README
[![Connect-MCP](https://clawy.uk/mcp/badge/dev.numberrank/numberrank.svg)](https://clawy.uk/mcp/s/dev.numberrank/numberrank)

Website