SEP-2640: Skills Extension
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评估
调研方向
Review the SEP-2640 specification and the linked pull requests in other SDKs (Python, C#, Go) to understand the required schema types, client APIs, and server APIs. The work involves adding new classes for skills handling, updating capability negotiation, and implementing the required endpoints. Start by examining the existing SDK structure for extensions and the MCP protocol handling code. 'Done' means the SDK fully supports the skills/list, skills/get, and optional resources/directory/read methods with proper capability negotiation.
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描述
Expected Behavior
The Java SDK should support the SEP-2640 Skills extension, enabling MCP clients to discover and retrieve Agent Skills exposed by MCP servers.
The SDK should provide:
- Schema types and method constants for
skills/list,skills/get, and the optionalresources/directory/read. - Client APIs to list skills, retrieve a skill entry by its
SKILL.mdURI, read skill resources, and—when advertised—read directory resources. - Stateless server APIs to register skills and expose the required endpoints.
- Support for
io.modelcontextprotocol/skillscapability negotiation, including the optionaldirectoryReadsetting.
Current Behavior
The SDK does not yet support the SEP-2640 Skills extension.
Context
This change adds support for the SEP-2640 Skills extension to the Java SDK, aligning it with the following implementations in other MCP SDKs:
- Python SDK: python-sdk#3485
- C# SDK: csharp-sdk#1856
- Go SDK: go-sdk#1238
I implemented this before realizing that non-trivial changes should be discussed with maintainers first. I would appreciate feedback on the proposed scope and API design, and I am happy to revise the implementation accordingly.
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modelcontextprotocol/java-sdk 的其他 Issue
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area/transport bug P2
难度 2/5 1-3 小时 新手友好度 88/100
modelcontextprotocol/java-sdk#1136 ·
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area/client bug P2
难度 2/5 1-3 小时 新手友好度 84/100
modelcontextprotocol/java-sdk#1124 · 1 条评论 ·
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ServerCapabilities.logging is added unconditionally, overriding the caller's explicit capabilities 未关闭bug P2 ready for work
难度 2/5 1-3 小时 新手友好度 68/100
modelcontextprotocol/java-sdk#1086 · 1 条评论 ·
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enhancement good first issue P3
难度 2/5 1-3 小时 新手友好度 82/100
modelcontextprotocol/java-sdk#1067 ·
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bug P2 ready for work
难度 2/5 1-3 小时 新手友好度 74/100
modelcontextprotocol/java-sdk#898 · 1 条评论 ·
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