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Example code of php-mcp/schema

Informations about the package schema

PHP MCP Schema

Latest Version on Packagist Total Downloads

Type-safe PHP DTOs for the Model Context Protocol (MCP) specification.

This package provides comprehensive Data Transfer Objects and Enums that ensure full compliance with the official MCP schema, enabling robust server and client implementations with complete type safety.

🎯 MCP Schema Version: 2025-03-26 (Latest)

Installation

Requirements: PHP 8.1+ • No dependencies

Quick Start

Core Features

🏗️ Complete Schema Coverage

Every MCP protocol type is represented with full validation and type safety.

🔒 Immutable Design

All DTOs use readonly properties to prevent accidental mutations.

🚀 Developer Experience

📦 Schema Components

Component Description
Tools Tool definitions with JSON Schema validation
Resources Static and template-based resource representations
Prompts Interactive prompt definitions with arguments
Content Text, image, audio, and blob content types
JSON-RPC Complete JSON-RPC 2.0 protocol implementation
Requests/Results All 15 request types and corresponding responses
Notifications Real-time event notification messages
Capabilities Client and server capability declarations

Usage Patterns

Creating Protocol Messages

Working with Resources

Content Handling

Package Structure

Why Use This Package?

License

MIT License. See LICENSE for details.

Part of the PHP MCP ecosystem • Build type-safe MCP applications with confidence

All versions of schema with dependencies

PHP Build Version
Package Version
Requires php Version >=8.1
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