General Tools

numberrank.dev

Provides general-purpose tools through the Model Context Protocol.

1 endpoint2 known toolsFirst detected September 16, 2026Last detected September 16, 2026

ENDPOINT 1

https://numberrank.dev/mcp

No auth detected

MCP server metadata

Name: numberrank
Version: 1.0.0

Capabilities

tools

Server instructions

check_number tells you whether a phone number is VoIP or a real carrier line. directory lists AI agent phone providers by line type.

Known tools 2

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.

Inferred read-only

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.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.numberrank]
url = "https://numberrank.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "numberrank": {
      "type": "http",
      "url": "https://numberrank.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: numberrank
Remote MCP URL: https://numberrank.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "numberrank": {
      "url": "https://numberrank.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "numberrank": {
      "type": "http",
      "url": "https://numberrank.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "numberrank",
  "transport": "streamable-http",
  "url": "https://numberrank.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.