Low-level SDK implementation of the Model Context Protocol (MCP) in PHP.

This project is a collaboration between the PHP Foundation and the Symfony project. It adopts development practices and standards from the Symfony project, including Coding Standards and the Backward Compatibility Promise.

Until the first major release, this SDK is considered experimental.

composer require mcp/sdk

• SDK documentation
• Model Context Protocol documentation
• Model Context Protocol specification
• Officially supported servers

We are passionate about supporting contributors of all levels of experience and would love to see you get involved in the project. See the contributing guide to get started before you report issues and send pull requests.

This project is licensed under the MIT License - see the LICENSE file for details.