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mcp/harbor
Verified official

numberRank MCP

v1.0.0

dev.numberrank/numberrank

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

transport:streamable-http
Website

Target client

run in your project directory 

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

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

This listing does not declare its tools. Connect the server and your client will discover them on the handshake.