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springboot-MCPserver-JUnit
A template idea project by springboot、mcp、junit. Available for both stdio and sse mode.
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Springboot + MCP + JUnit 模板项目
使用springboot快速构建一个mcp项目,项目支持 JUNIT单元测试。
模式支持: STDIO 和 SSE
解说视频:
- 全网首发:从零搭建 Springboot+MCP+JUnit 项目 【搭配CherryStudio】BV1qUXkYRE6C
- 全网首发:Springboot+MCP(SSE)+JUnit 从搭建到上线 BV1rSXWYGEVz
开发环境
- 开发IDE: IDEA
- java版本: JAVA17 (Spring官方要求必须java17+)
- maven版本: 3.8.1 (太高引入项目时可能报错,请选择适当版本)
参考文档资料
- MCP官网-协议 (必读文档)
- MCP官网-编码指南
- Spring官网
客户端测试方案
1. 对于STDIO客户端配置方式:
命令(Command):
java
参数(Arguments):
-jar
-Dfile.encoding=UTF-8
-Dspring.ai.mcp.server.stdio=true
AbsolutePath/**/xxx.jar
环境(Environments):
env1=xxx
env2=yyy
指令是java(如果本地主环境不是17+,注意切换);
参数file.encoding指定System.in和System.out为UTF-8编码,避免编码问题;
参数spring.ai.mcp.server.stdio表示以stdio的方式启用该服务;
环境配置,是将配置写入当前系统环境,以供当前程序调取。
2. 对于SSE客户端配置方式:
SSE地址填写如下链接即可
http://主机地址:端口/sse
额外可选功能的探索
1. 修改消息端点
配置文件参见:McpServerProperties
spring.ai.mcp.server.sseMessageEndpoint=/mcp/message
2. 修改sse端点
原始的sse端点在/sse,而配置文件没有提供sse端点的配置方式,所以需要重新注入 ServerMcpTransport 来换掉原来的。
注意下面两个Bean配置都要加,因为自动注入文件 MpcWebMvcServerAutoConfiguration 中,对整个注册的注入条件是 @ConditionalOnMissingBean(ServerMcpTransport.class),导致下面两个bean都不会注入
private final String SSE_ENDPOINT = "/sse";
@Bean
@ConditionalOnMissingBean
public WebMvcSseServerTransport webMvcSseServerTransport(ObjectMapper objectMapper,
McpServerProperties serverProperties) {
return new WebMvcSseServerTransport(objectMapper, serverProperties.getSseMessageEndpoint(), SSE_ENDPOINT);
}
@Bean
public RouterFunction<ServerResponse> mvcMcpRouterFunction(WebMvcSseServerTransport transport) {
return transport.getRouterFunction();
}
3. 一服务多端点?
需要重新注入多个 McpSyncServer ,详见类 MpcServerAutoConfiguration 。
因为多端点可能会涉及到的东西非常多,感兴趣的可以自己研究,我就只提供这样的指引啦!
4. SSE授权?
在2025.03.26 的MCP官方协议文档中,更新了鉴权方案, 期待Spring的更新。
Bye.ヾ(•ω•`)o
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