Random Number

Generate cryptographically-random integers or floats in a range.

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

Call it over MCP

Tool name findutils:random_number · 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": "random_number",
      "arguments": {
        "min": 1,
        "max": 100
      }
    }
  }'

Input schema

Argument	Type	Required	Description
min	number	no	Minimum value (inclusive). Default: 1.
max	number	no	Maximum value (exclusive for ints). Default: 100.
count	integer	no	How many numbers to generate (1-1000). Default: 1.
float	boolean	no	If true, return floats instead of ints. Defaults to false. Default: false.
decimals	integer	no	Decimal places for floats (1-10). Default: 2.

Example arguments (verified)

{
  "min": 1,
  "max": 100
}

Also a REST endpoint

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

Open the REST reference for Random Number →

More Calculators tools

Bmi Calculate

Compute Body Mass Index (BMI) with metric (kg/cm) or imperial (lb/in) units.

Body Fat Calculator

Estimate body fat percentage, fat mass, lean mass, BMI, and a body-composition category.

Carbon Footprint Calculator

Estimate an annual personal carbon footprint in tonnes of CO2 from home energy, transportation, and lifestyle, with a per-category breakdown

Chmod Calculate

Convert between numeric (755) and symbolic (rwxr-xr-x) Unix file permissions.

Cloudflare Cost Calculate

Estimate monthly Cloudflare developer platform costs (Workers, D1, R2, KV, Durable Objects) under free or $5 Workers Paid plans.

Daily Habit Calculator

Calculate how a daily habit adds up over a week, a month (30 days), a year (365 days), or a custom date range: total units, total cost, and

Gcd Calculate

Greatest Common Divisor (GCD) and Least Common Multiple (LCM) of two non-negative integers.

Llm Requirements Calculator

Estimate the VRAM, system RAM, and disk space needed to run an open-weight LLM locally, and which common GPUs and Macs it fits on.