Roman Numeral

Convert between Roman numerals and Arabic integers (1-3999).

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

Call it over MCP

Tool name findutils:roman_numeral · 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": "roman_numeral",
      "arguments": {
        "input": "2026",
        "mode": "auto"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
input	string	yes	Number (e.g. "1984") or Roman numeral (e.g. "MCMLXXXIV").
mode	string (auto \| to_roman \| to_arabic)	no	Direction. "auto" chooses based on whether input is numeric. Default: "auto".

Example arguments (verified)

{
  "input": "2026",
  "mode": "auto"
}

Also a REST endpoint

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

Open the REST reference for Roman Numeral →

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