use Mcp\Capability\Attribute\McpTool;

final readonly class Calculator
{
    #[McpTool(name: 'add_numbers')]
    public function add(int $a, int $b): int
    {
        return $a + $b;
    }
}

#!/usr/bin/env php
<?php

require_once __DIR__ . '/vendor/autoload.php';

use Mcp\Server;
use Mcp\Server\Transport\StdioTransport;

Server::make()
    ->withServerInfo('Calculator', '1.1.0', 'Basic Calculator over STDIO transport.')
    ->withDiscovery(__DIR__, ['.'])
    ->build()
    ->connect(new StdioTransport());

{
    "mcpServers": {
        "php-calculator": {
            "command": "php",
            "args": ["/absolute/path/to/your/mcp-server.php"]
        }
    }
}