# Random Number — MCP tool `findutils:random_number`

Generate cryptographically-random integers or floats in a range.

- Category: calculators
- MCP server: https://mcp.findutils.com/ (Streamable HTTP, no API keys, 120 req/min per IP)
- REST endpoint: POST https://api.findutils.com/api/tools/random-number/execute (no API keys, 60 req/min per IP)
- Reference page: https://findutils.com/mcp/random-number/
- Same tool on the other surface: https://findutils.com/api/random-number/

## Connect

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

Claude Desktop (`claude_desktop_config.json`):

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

## Call the tool (verified example)

```bash
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):

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

## Also a REST endpoint

```bash
curl -X POST https://api.findutils.com/api/tools/random-number/execute \
  -H "Content-Type: application/json" \
  -d '{
    "min": 1,
    "max": 100
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/random-number
```

Full REST reference: https://findutils.com/api/random-number/ · OpenAPI 3.1 spec: https://findutils.com/api/openapi.json

---
Full catalog: POST https://mcp.findutils.com/ with method `tools/list` · https://findutils.com/mcp/ · https://findutils.com/llms.txt