MCP SDK PHP

composer require logiscape/mcp-sdk-php

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

use Mcp\Server\McpServer;

$server = new McpServer('my-mcp-server');

$server->tool('add-numbers', 'Adds two numbers together',
    function (float $a, float $b): string {
        return 'Sum: ' . ($a + $b);
    }
);

$server->run();

<?php
$server->resource('config', 'application/json', function(): string {
    return json_encode(['version' => '1.0', 'environment' => 'production']);
});

$server->prompt('summarize', 'Summarize a text block', [
    ['name' => 'text', 'description' => 'Text to summarize', 'required' => true]
]);

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

use Mcp\Client\Client;

$client = new Client();
$session = $client->connect('php', ['server.php']);
$result = $session->callTool('add-numbers', ['a' => 5, 'b' => 25]);
echo $result->content[0]->text;

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