modelcontextprotocol / modelcontextprotocol/php-sdk
[Schema][SEP-1319] Decouple Request Payload from RPC Methods Definition
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- PHP
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Description
Issue to address and track SEP-1319:
This SEP proposes a structural refactoring of the Model Context Protocol (MCP) specification. The core change is to define payload of requests (e.g., CallToolRequest) as independent definitions and have the RPC method definitions refer to these models. This decouples the definition of the data payload from the definition of the remote procedure that transports it, leading to a clearer, more modular, and more maintainable specification.
Spec Changes: https://github.com/modelcontextprotocol/modelcontextprotocol/pull/1692/files
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with SEP-1319 and the linked specification changes, then trace the PHP SDK's request payload and RPC method definitions. Done means the payload definitions are independent and the RPC method definitions refer to them consistently across the SDK.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- php
- Domain
- backend-api-design
- Issue type
- Refactor
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100