PHP code example of mcp / sdk

1. Go to this page and download the library: Download mcp/sdk library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

mcp / sdk example snippets


use Mcp\Capability\Attribute\McpResource;
use Mcp\Capability\Attribute\McpTool;
use Mcp\Server;
use Mcp\Server\Transport\StdioTransport;

class Calculator
{
    /**
     * Adds two numbers.
     */
    #[McpTool]
    public function add(int $a, int $b): int
    {
        return $a + $b;
    }

    #[McpResource(uri: 'config://calculator/settings')]
    public function settings(): array
    {
        return ['precision' => 2];
    }
}

exit(Server::builder()
    ->setServerInfo('Calculator', '1.0.0')
    ->setDiscovery(__DIR__, ['.'], excludeDirs: ['vendor'])
    ->build()
    ->run(new StdioTransport()));


use Mcp\Client;
use Mcp\Client\Transport\StdioTransport;

$client = Client::builder()
    ->setClientInfo('My Application', '1.0.0')
    ->build();

$client->connect(new StdioTransport(command: 'php', args: ['/path/to/server.php']));

$tools = $client->listTools();
$result = $client->callTool('add', ['a' => 5, 'b' => 3]);

$client->disconnect();