PHP SDK for the Model Context Protocol

[kmcowan]

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  This PHP SDK for the Model Context Protocol was developed through an engaging collaborative process between Claude and myself -- seeing the need for PHP support in the MCP ecosystem. Starting with the Python SDK as our reference implementation, we worked together to translate the concepts into idiomatic PHP while respecting the language's unique constraints and conventions. The development wasn't without its challenges - we encountered PHP-specific limitations like the inability to use callable as a property type, missing class definitions that Claude initially overlooked, and resource management issues with PHP's standard streams. What made this collaboration particularly effective was the iterative debugging process: each error message led to a deeper understanding of how to properly implement MCP in PHP. My fast response testing and clear error reporting allowed Claude to provide targeted fixes, turning what could have been a frustrating process into a smooth problem-solving experience. The result is a fully functional PHP SDK that maintains the elegance of the original Python design while embracing PHP's strengths and working within its constraints.

Relevant Links

https://github.com/CaptureClub-LLC/PHP_MCP_SDK