PHP MCP SDK

# Stable release
composer require dalehurley/php-mcp-sdk

# Latest development version
composer require dalehurley/php-mcp-sdk:dev-main

<?php
require 'vendor/autoload.php';

use DaleHurley\PhpMcpSdk\McpServer;
use DaleHurley\PhpMcpSdk\Implementation;
use DaleHurley\PhpMcpSdk\Transport\StdioServerTransport;

$server = new McpServer(new Implementation('my-server', '1.0.0'));

$server->tool(
    'greet',
    'Returns a greeting for the given name',
    [
        'type' => 'object',
        'properties' => [
            'name' => ['type' => 'string', 'description' => 'Name to greet']
        ],
        'required' => ['name']
    ],
    function(array $args): array {
        return ['content' => [['type' => 'text', 'text' => 'Hello, ' . $args['name'] . '!']]];
    }
);

$transport = new StdioServerTransport();
$server->connect($transport);
$server->run();

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

<?php
use DaleHurley\PhpMcpSdk\Client;
use DaleHurley\PhpMcpSdk\Implementation;
use DaleHurley\PhpMcpSdk\Transport\StdioClientTransport;

$client = new Client(new Implementation('my-client', '1.0.0'));
$transport = new StdioClientTransport(['command' => 'php', 'args' => ['server.php']]);

yield $client->connect($transport);
$tools = yield $client->listTools();
$result = yield $client->callTool('greet', ['name' => 'World']);

composer test
composer phpstan

# Run all checks at once
composer check