🎲

Random Number Generator

Free random number generator. Generate random numbers for games, raffles, research. Set min/max range, generate single or multiple numbers.

FREE

DeveloperUse via API or MCP

Random Number Generator is available via the lots.tools REST API and MCP server. Generate an API key to get started.

REST API

POST https://lots.tools/api/v1/tools/random-number-generator/execute

curl -X POST https://lots.tools/api/v1/tools/random-number-generator/execute \
  -H "Authorization: Bearer lt_<your-api-key>" \
  -H "Content-Type: application/json" \
  -d '{
  "input": {
    "min": 10,
    "max": 10,
    "count": "1",
    "allow_duplicates": true
  }
}'

Input fields

minnumberMinimum Number

maxnumberMaximum Number

countselect?How Many Numbers?1 | 5 | 10 | 20 | 50 | 100

allow_duplicatescheckbox?Allow duplicate numbers

Response

{
  "success": true,
  "output": { ... },
  "credits_used": 0,
  "execution_time_ms": 120
}

MCP Server

Connect once and all lots.tools are available as MCP tools — including Random Number Generator. Add to your MCP client config:

{
  "mcpServers": {
    "lots-tools": {
      "url": "https://lots.tools/mcp",
      "headers": {
        "Authorization": "Bearer lt_<your-api-key>"
      }
    }
  }
}

Works with Cursor, Claude Desktop, and any MCP-compatible client. The tool name in MCP is random-number-generator.

See the full tools list for schemas of all available tools. Credits are deducted per execution.

Random Number Generator

This Random Number Generator is a versatile programmatic tool designed to produce random numbers based on user-defined criteria. It's ideal for various applications, from games and raffles to scientific research and data simulation.

What This Tool Does

The tool generates a list of random numbers within a specified range. You can define the minimum and maximum values for the numbers, the total count of numbers to generate, and whether duplicate numbers are allowed in the output.

How It Works

Users provide input parameters including the desired minimum number, maximum number, the quantity of numbers to generate, and an option to allow or prevent duplicate numbers. The tool then processes these parameters to produce a list of random numbers that adhere to the specified conditions.

Key Features

Customizable Range: Set your own minimum and maximum values for number generation.
Multiple Number Generation: Generate a single random number or a list of many.
Duplicate Control: Choose to allow or prevent duplicate numbers in your generated list.
Versatile Applications: Suitable for games, raffles, research, and more.

Who This Tool Is For

This random number generator is beneficial for:

Developers: For generating random data in applications or games.
Educators: For creating random assignments or selecting students.
Researchers: For simulations or statistical sampling.
Event Organizers: For conducting fair raffles or prize draws.
Anyone needing random numbers: For any task requiring unbiased number generation.

FAQ

What is a random number generator?

A random number generator (RNG) is a device or algorithm that produces a sequence of numbers or symbols that cannot be reasonably predicted better than by a random chance.

How do I specify the range for the random numbers?

You can define both a minimum and a maximum number to set the inclusive range for the random numbers generated by the tool.

Can I generate multiple random numbers at once?

Yes, you can specify the desired count of numbers to be generated, allowing you to produce a list of multiple random numbers.

Is it possible to prevent duplicate numbers in the output?

Yes, the tool provides an option to allow or prevent duplicate numbers, giving you control over the uniqueness of the generated list.

What are common uses for this random number generator?

Common uses include generating numbers for games, conducting raffles, performing research simulations, and creating random data sets for various purposes.