java springboot实现MCP Server SSE

参考：

https://juejin.cn/post/7491881721278529570

SpringAI 实现 SSE MCP Server项目 - Auler - 博客园

springboot-MCPserver-JUnit: 使用springboot支持mcp项目搭建，同时有着便捷的单元测试来进行敏捷开发对话即服务：Spring Boot+MCP让你的CRUD系统秒变AI助手 - 雨梦山人 - 博客园

java的jdk使用17，可参考：Java 17 Windows 安装教程--保姆级安装_java17-CSDN博客

java的mcp-server依赖使用1.0.0-M8，可参考：

MCP Server Boot Starter :: Spring AI Reference

Spring AI版本1.0.0-M6和M8效果比较-CSDN博客

本文使用了两种mcp client：cherry studio和cursor

源代码参考：我的/springboot-mcpserver-demo

代码片段

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>3.4.3</version><relativePath/> <!-- lookup parent from repository --></parent><groupId>top.dreamcenter</groupId><artifactId>mcp</artifactId><version>1.0.0-SNAPSHOT</version><name>mcp</name><description>Template project for SpringBoot + MCP</description><properties><java.version>17</java.version></properties><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-test</artifactId><scope>test</scope></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!-- <dependency><groupId>org.springframework.ai</groupId><artifactId>spring-ai-mcp-server-webmvc-spring-boot-starter</artifactId><version>1.0.0-M6</version></dependency> --><dependency><groupId>org.springframework.ai</groupId><artifactId>spring-ai-starter-mcp-server-webmvc</artifactId><version>1.0.0-M8</version></dependency></dependencies><build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId><configuration><mainClass>top.dreamcenter.mcp.McpApplication</mainClass></configuration><executions><execution><goals><goal>repackage</goal></goals></execution></executions></plugin></plugins></build></project>

McpApplication.java

package top.dreamcenter.mcp;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplication
public class McpApplication {public static void main(String[] args) {SpringApplication.run(McpApplication.class, args);}}

NumService.java

package top.dreamcenter.mcp.service;import org.springframework.ai.tool.annotation.Tool;
import org.springframework.ai.tool.annotation.ToolParam;
import org.springframework.stereotype.Service;@Service
public class NumService {@Tool(description = "判断是否是双数")public String judgeIfOddJava(@ToolParam(description = "待判断的数") Integer num) {return num + (num%2 == 0 ? "是双数" : "不是双数");}}

ToolCallbackProviderRegister.java

package top.dreamcenter.mcp.config;import org.springframework.ai.tool.ToolCallbackProvider;
import org.springframework.ai.tool.method.MethodToolCallbackProvider;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import top.dreamcenter.mcp.service.NumService;@Configuration
public class ToolCallbackProviderRegister {@Beanpublic ToolCallbackProvider numTools(NumService numService) {return MethodToolCallbackProvider.builder().toolObjects(numService).build();}}

NumController.java

package top.dreamcenter.mcp.controller;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import top.dreamcenter.mcp.service.NumService;@RestController
@RequestMapping("/api/num")
public class NumController {@Autowiredprivate NumService numService;@GetMapping("/judge/{num}")public String judgeIfOddJava(@PathVariable Integer num) {return numService.judgeIfOddJava(num);}}