PHP code example of php-mcp / schema

1. Go to this page and download the library: Download php-mcp/schema 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/ */

php-mcp / schema example snippets


use PhpMcp\Schema\Tool;
use PhpMcp\Schema\Resource;
use PhpMcp\Schema\Request\CallToolRequest;

// Create a tool definition
$tool = Tool::make(
    name: 'calculator',
    inputSchema: [
        'type' => 'object',
        'properties' => [
            'operation' => ['type' => 'string'],
            'a' => ['type' => 'number'],
            'b' => ['type' => 'number']
        ],
        '


// Initialize request
$request = InitializeRequest::make(
    protocolVersion: '2025-03-26',
    capabilities: ClientCapabilities::make(),
    clientInfo: Implementation::make('MyClient', '1.0.0')
);

// Call tool request  
$callRequest = CallToolRequest::make(
    name: 'calculator',
    arguments: ['operation' => 'add', 'a' => 5, 'b' => 3]
);


// Static resource
$resource = Resource::make(
    uri: '/data/users.json',
    name: 'User Database',
    description: 'Complete user registry'
);

// Resource template
$template = ResourceTemplate::make(
    uriTemplate: '/users/{id}',
    name: 'User Profile',
    description: 'Individual user data'
);


// Text content
$text = TextContent::make('Hello, world!');

// Image content
$image = ImageContent::make(
    data: base64_encode($imageData),
    mimeType: 'image/png'
);

bash
composer


src/
├── Content/         # Content types (Text, Image, Audio, Blob, etc.)
├── Enum/           # Protocol enums (LoggingLevel, Role)
├── JsonRpc/        # JSON-RPC 2.0 implementation
├── Notification/   # Event notification types
├── Request/        # Protocol request messages
├── Result/         # Protocol response messages
├── Tool.php        # Tool definitions
├── Resource.php    # Resource representations
├── Prompt.php      # Prompt definitions
└── ...            # Core protocol types