Phone Format

Validation REST API MCP

Format a phone number to E.164 (+CCNNNNNNN…) given an optional country calling code. Strips spaces, dashes, parens, and dots. Validates length against a small country table; returns valid=false without raising for numbers outside that table.

This page documents the MCP tool findutils:phone_format. See the REST reference →

Call it over MCP

Tool name findutils:phone_format · no API keys · 120 requests/min per IP

Claude Code

claude mcp add findutils --transport http https://mcp.findutils.com/

Claude Desktop — claude_desktop_config.json

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

Raw JSON-RPC (any MCP client) — verified example

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "phone_format",
      "arguments": {
        "phone": "+1 415-555-0132"
      }
    }
  }'

Input schema

Argument Type Required Description
phone string yes The raw phone number (may include formatting).
country_code string no ITU country calling code without "+" (e.g. "1", "44", "90"). Default: "1".

Example arguments (verified)

{
  "phone": "+1 415-555-0132"
}

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/phone-format/execute — no key, 60 requests/min.

Open the REST reference for Phone Format →

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