{"id":65267,"date":"2026-01-24T18:24:44","date_gmt":"2026-01-24T10:24:44","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/65267.html"},"modified":"2026-01-24T18:24:44","modified_gmt":"2026-01-24T10:24:44","slug":"langchain4j%ef%bc%88%e5%9b%9b%ef%bc%89mcp%e8%b0%83%e7%94%a8%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/65267.html","title":{"rendered":"langchain4j\uff08\u56db\uff09MCP\u8c03\u7528\u5de5\u5177"},"content":{"rendered":"

\u4e00\u3001MCP\u548cfunction calling \u7684\u5173\u7cfb\u548c\u533a\u522b<\/h3>\n

MCP\u662f\u5728Function Calling\u57fa\u7840\u4e0a\u7684\u6807\u51c6\u5316\u5de5\u5177\u8c03\u7528\u6d41\u7a0b\u3002
\n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"
\nFunction Calling\u8fd0\u884c\u8fc7\u7a0b：
\n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u4e8c\u3001MCP\u7684\u7ec4\u6210<\/h3>\n
  • MCP Hosts：\u628a\u4f60\u7684\u81ea\u5b9a\u4e49\u5de5\u5177（\u5982\u5929\u6c14\u67e5\u8be2\u3001\u673a\u7968\u9884\u8ba2\u3001\u6570\u636e\u5e93\u67e5\u8be2）\u5c01\u88c5\u6210\u7b26\u5408 MCP \u534f\u8bae\u7684\u670d\u52a1，\u8fd9\u4e2a\u5c01\u88c5\u540e\u7684\u670d\u52a1\u5c31\u662f MCP Host\u3002<\/li>\n
  • MCP Server：MCP Server \u662fMCP \u4f53\u7cfb\u7684\u6838\u5fc3\u4e2d\u95f4\u4ef6 \/ \u8c03\u5ea6\u4e2d\u5fc3，\u662f\u8fde\u63a5MCP Clients\u548cMCP Hosts\u7684 \u201c\u4e2d\u8f6c\u7ad9\u201d，\u5305\u62ec\u5de5\u5177\u6ce8\u518c\u3001\u8bf7\u6c42\u8def\u7531\u4e0e\u8f6c\u53d1，\u63a5\u53d7\u8bf7\u6c42\u8fd4\u56de\u7ed3\u679c\u7b49\u3002<\/li>\n
  • MCP Clients：\u53d1\u8d77 MCP \u534f\u8bae\u8c03\u7528\u7684\u8bf7\u6c42\u65b9，\u5c31\u662flangchain4j\u91cc\u9762\u5c01\u88c5\u7684\u5927\u6a21\u578b<\/li>\n

    \u4e09\u3001\u5ba2\u6237\u7aef\u901a\u8fc7MCP\u8fdb\u884c\u5de5\u5177\u8c03\u7528<\/h3>\n
  • \u9b54\u5854\u7684MCP\u5e7f\u573a,\u53ef\u4ee5\u627e\u5230\u9700\u8981\u7684MCP\u670d\u52a1<\/li>\n
  • \u627e\u5230\u5bf9\u5e94\u7684json\u914d\u7f6e
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/li>\n
  • \u5728\u5ba2\u6237\u7aef\u91cc\u9762\u52a0\u5165MCP\u670d\u52a1，\u6bd4\u5982Trae\/Cherry Studio\/\u963f\u91cc\u4e91\u767e\u70bc<\/li>\n
  • \u5728VS Code\u91cc\u9762\u4e0b\u8f7dCline\u63d2\u4ef6，\u4e5f\u53ef\u4ee5\u52a0\u5165MCP<\/li>\n

    \u56db\u3001\u5728langchain4j\u91cc\u9762\u4f7f\u7528MCP\u8c03\u7528\u5de5\u5177<\/h3>\n

    MCP\u534f\u8bae\u89c4\u5b9a\u4e86\u4e24\u79cd\u4f20\u8f93\u65b9\u5f0f：<\/p>\n

  • HTTP：\u5ba2\u6237\u7aef\u8bf7\u6c42\u4e00\u4e2aSSE（Server-Sent Events）\u901a\u9053\u4ee5\u4ece\u670d\u52a1\u5668\u63a5\u6536\u4e8b\u4ef6，\u7136\u540e\u901a\u8fc7HTTP POST\u8bf7\u6c42\u53d1\u9001\u547d\u4ee4\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u9700\u8981\u8de8\u7f51\u7edc\u901a\u4fe1\u7684\u573a\u666f，\u901a\u5e38\u7528\u4e8e\u5206\u5e03\u5f0f\u7cfb\u7edf\u6216\u9700\u8981\u9ad8\u5e76\u53d1\u7684\u573a\u666f\u3002<\/li>\n
  • stdio：\u5ba2\u6237\u7aef\u53ef\u4ee5\u5c06MCP\u670d\u52a1\u5668\u4f5c\u4e3a\u672c\u5730\u5b50\u8fdb\u7a0b\u8fd0\u884c，\u5e76\u901a\u8fc7\u6807\u51c6\u8f93\u5165\/\u8f93\u51fa\u76f4\u63a5\u4e0e\u5176\u901a\u4fe1\u3002\u8fd9\u79cd\u65b9\u5f0f\u9002\u7528\u4e8e\u672c\u5730\u96c6\u6210\u548c\u547d\u4ee4\u884c\u5de5\u5177，\u9002\u5408\u7b80\u5355\u7684\u672c\u5730\u6279\u5904\u7406\u4efb\u52a1\u3002<\/li>\n

    \u5982\u679c\u9700\u8981\u8ba9ChatModel\u6216AI service\u8fd0\u884c\u7531MCP\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u5de5\u5177，\u5219\u9700\u8981\u521b\u5efa\u4e00\u4e2aMCP tool provider<\/p>\n

    \u5f15\u5165\u4f9d\u8d56：<\/p>\n

    <<\/span>dependency><\/span><\/span>
    \n <<\/span>groupId><\/span><\/span>dev.<\/span>langchain4j<<\/span>\/<\/span>groupId><\/span>
    \n <<\/span>artifactId><\/span><\/span>langchain4j–<\/span>mcp<<\/span>\/<\/span>artifactId><\/span>
    \n <<\/span>version><\/span><\/span>0.33<\/span>.0<\/span><<\/span>\/<\/span>version><\/span>
    \n<<\/span>\/<\/span>dependency><\/span><\/p>\n

    1.McpTransport<\/h4>\n

    \u5148\u8981\u6784\u5efa\u4e00\u4e2a MCP \u901a\u4fe1\u65b9\u5f0f\u7684\u5b9e\u4f8b\u3002<\/p>\n

    McpTransport<\/span> transport =<\/span> new<\/span> StdioMcpTransport.<\/span>Builder<\/span>(<\/span>)<\/span>
    \n .<\/span>command<\/span>(<\/span>List<\/span>.<\/span>of<\/span>(<\/span>"\/usr\/bin\/npm"<\/span>,<\/span> "exec"<\/span>,<\/span> "@modelcontextprotocol\/server-everything@0.6.2"<\/span>)<\/span>)<\/span>
    \n .<\/span>logEvents<\/span>(<\/span>true<\/span>)<\/span> \/\/ only if you want to see the traffic in the log<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

    \u4f7f\u7528HTTP：<\/p>\n

    McpTransport<\/span> transport =<\/span> new<\/span> HttpMcpTransport.<\/span>Builder<\/span>(<\/span>)<\/span>
    \n .<\/span>sseUrl<\/span>(<\/span>"http:\/\/localhost:3001\/sse"<\/span>)<\/span>\/\/SSE \u4e8b\u4ef6channel\u5730\u5740<\/span>
    \n .<\/span>logRequests<\/span>(<\/span>true<\/span>)<\/span> \/\/ if you want to see the traffic in the log<\/span>
    \n .<\/span>logResponses<\/span>(<\/span>true<\/span>)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

    \u5728\u9b54\u5854\u4e0a，\u627e\u5230\u5bf9\u5e94\u7684sse\u5730\u5740：
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    2.\u521b\u5efa MCP \u5ba2\u6237\u7aef<\/h4>\n

    \u4f7f\u7528 transport \u5b9e\u4f8b\u521b\u5efa MCP \u5ba2\u6237\u7aef：<\/p>\n

    McpClient<\/span> mcpClient =<\/span> new<\/span> DefaultMcpClient.<\/span>Builder<\/span>(<\/span>)<\/span>
    \n .<\/span>transport<\/span>(<\/span>transport)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

    3.\u521b\u5efa MCP \u5de5\u5177\u63d0\u4f9b\u8005<\/h4>\n

    ToolProvider<\/span> toolProvider =<\/span> McpToolProvider<\/span>.<\/span>builder<\/span>(<\/span>)<\/span>
    \n .<\/span>mcpClients<\/span>(<\/span>List<\/span>.<\/span>of<\/span>(<\/span>mcpClient)<\/span>)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span><\/p>\n

    4.\u65b0\u5efa\u4e00\u4e2aMapConfig\u7c7b，\u628a\u4e0a\u9762\u4e09\u4e2a\u5199\u5230\u914d\u7f6e\u7c7b\u91cc\u9762<\/h4>\n

    @Bean<\/span>
    \n public<\/span> McpTransport<\/span> mcpTransport<\/span>(<\/span>)<\/span> {<\/span>
    \n return<\/span> new<\/span> HttpMcpTransport.<\/span>Builder<\/span>(<\/span>)<\/span>
    \n .<\/span>sseUrl<\/span>(<\/span>"http:\/\/localhost:3001\/sse"<\/span>)<\/span>
    \n .<\/span>logRequests<\/span>(<\/span>true<\/span>)<\/span>
    \n .<\/span>logResponses<\/span>(<\/span>true<\/span>)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    @Bean<\/span>
    \n public<\/span> McpClient<\/span> mcpClient<\/span>(<\/span>McpTransport<\/span> mcpTransport)<\/span> {<\/span>
    \n return<\/span> new<\/span> DefaultMcpClient.<\/span>Builder<\/span>(<\/span>)<\/span>
    \n .<\/span>transport<\/span>(<\/span>mcpTransport)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \/**
    \n * 👇 \u8fd9\u4e2a Bean \u540d\u5b57\u975e\u5e38\u91cd\u8981，\u540e\u9762 @AiService \u8981\u7528
    \n *\/<\/span>
    \n @Bean<\/span>(<\/span>name =<\/span> "mcpToolProvider"<\/span>)<\/span>
    \n public<\/span> ToolProvider<\/span> mcpToolProvider<\/span>(<\/span>McpClient<\/span> mcpClient)<\/span> {<\/span>
    \n return<\/span> McpToolProvider<\/span>.<\/span>builder<\/span>(<\/span>)<\/span>
    \n .<\/span>mcpClients<\/span>(<\/span>List<\/span>.<\/span>of<\/span>(<\/span>mcpClient)<\/span>)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    \u4e00\u4e2a ToolProvider \u53ea\u5305\u4e00\u4e2a MCP，\u6240\u4ee5\u5982\u679c\u4f60\u6709\u591a\u4e2aMCP，\u5c31\u9700\u8981\u521b\u5efa\u591a\u4e2aToolProvider<\/p>\n

    5.\u6574\u5408\u672c\u5730\u7684@Bean\u65b9\u6cd5\u8c03\u7528\u548cMCP<\/h4>\n

    \u5982\u679c\u6709\u591a\u4e2a\u5de5\u5177，\u9700\u8981\u4f7f\u7528AiServices.builder，\u6240\u4ee5\u539f\u6765\u7684@AiServices\u6ce8\u89e3\u5c31\u4e0d\u9700\u8981\u4e86<\/p>\n

    public<\/span> interface<\/span> ConsultantService<\/span> {<\/span>
    \n @SystemMessage<\/span>(<\/span>fromResource =<\/span> "system.txt"<\/span>)<\/span>
    \n Flux<\/span><<\/span>String<\/span>><\/span><\/span> chat<\/span>(<\/span>@MemoryId<\/span> String<\/span> memoryId,<\/span>
    \n @UserMessage<\/span> String<\/span> message)<\/span>;<\/span>
    \n}<\/span><\/p>\n

    \u5728MapConfig\u91cc\u9762\u6dfb\u52a0ConsultantService\u7684\u5b9e\u4f8b<\/p>\n

    @Configuration<\/span>
    \npublic<\/span> class<\/span> McpConfig<\/span> {<\/span>
    \n @Autowired<\/span>
    \n private<\/span> ReservationTool<\/span> reservationTool;<\/span>
    \n @Autowired<\/span>
    \n private<\/span> OpenAiChatModel<\/span> openAiChatModel;<\/span><\/p>\n

    @Autowired<\/span>
    \n private<\/span> OpenAiStreamingChatModel<\/span> openAiStreamingChatModel;<\/span>
    \n @Autowired<\/span>
    \n private<\/span> ContentRetriever<\/span> contentRetriever;<\/span>
    \n @Autowired<\/span>
    \n private<\/span> ChatMemoryProvider<\/span> chatMemoryProvider;<\/span>
    \n @Bean<\/span>
    \n public<\/span> McpTransport<\/span> mcpTransport<\/span>(<\/span>)<\/span> {<\/span>
    \n return<\/span> new<\/span> HttpMcpTransport.<\/span>Builder<\/span>(<\/span>)<\/span>
    \n .<\/span>sseUrl<\/span>(<\/span>"https:\/\/mcp.api-inference.modelscope.net\/*\/sse"<\/span>)<\/span>
    \n .<\/span>logRequests<\/span>(<\/span>true<\/span>)<\/span>
    \n .<\/span>logResponses<\/span>(<\/span>true<\/span>)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    @Bean<\/span>
    \n public<\/span> McpClient<\/span> mcpClient<\/span>(<\/span>McpTransport<\/span> mcpTransport)<\/span> {<\/span>
    \n return<\/span> new<\/span> DefaultMcpClient.<\/span>Builder<\/span>(<\/span>)<\/span>
    \n .<\/span>transport<\/span>(<\/span>mcpTransport)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    @Bean<\/span>(<\/span>name =<\/span> "mcpToolProvider"<\/span>)<\/span>
    \n public<\/span> ToolProvider<\/span> mcpToolProvider<\/span>(<\/span>McpClient<\/span> mcpClient)<\/span> {<\/span>
    \n return<\/span> McpToolProvider<\/span>.<\/span>builder<\/span>(<\/span>)<\/span>
    \n .<\/span>mcpClients<\/span>(<\/span>List<\/span>.<\/span>of<\/span>(<\/span>mcpClient)<\/span>)<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span><\/p>\n

    @Bean<\/span>
    \n public<\/span> ConsultantService<\/span> consultantService<\/span>(<\/span>
    \n ReservationTool<\/span> reservationTool,<\/span>
    \n ToolProvider<\/span> mcpToolProvider<\/p>\n

    )<\/span> {<\/span>
    \n return<\/span> AiServices<\/span>.<\/span>builder<\/span>(<\/span>ConsultantService<\/span>.<\/span>class<\/span>)<\/span>
    \n .<\/span>chatModel<\/span>(<\/span>openAiChatModel)<\/span>
    \n .<\/span>streamingChatModel<\/span>(<\/span>openAiStreamingChatModel)<\/span>
    \n .<\/span>chatMemoryProvider<\/span>(<\/span>chatMemoryProvider)<\/span>
    \n .<\/span>contentRetriever<\/span>(<\/span>contentRetriever)<\/span>
    \n .<\/span>tools<\/span>(<\/span>reservationTool)<\/span> \/\/ \u81ea\u5b9a\u4e49\u5de5\u5177<\/span>
    \n .<\/span>toolProvider<\/span>(<\/span>mcpToolProvider)<\/span> \/\/ \u7b2c\u4e00\u4e2a MCP<\/span>
    \n .<\/span>build<\/span>(<\/span>)<\/span>;<\/span>
    \n }<\/span>
    \n}<\/span><\/p>\n

    \u7136\u540e\u91cd\u65b0\u8fd0\u884c\u6211\u4eec\u7684\u9879\u76ee\u53ef\u4ee5\u770b\u5230，\u9ad8\u5fb7\u5730\u56fe\u7684\u529f\u80fd\u5df2\u7ecf\u751f\u6548：
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u4e00\u3001MCP\u548cfunction calling \u7684\u5173\u7cfb\u548c\u533a\u522b
    \nMCP\u662f\u5728Function Calling\u57fa\u7840\u4e0a\u7684\u6807\u51c6\u5316\u5de5\u5177\u8c03\u7528\u6d41\u7a0b\u3002Function Calling\u8fd0\u884c\u8fc7\u7a0b：\u4e8c\u3001MCP\u7684\u7ec4\u6210
    \nMCP Hosts：\u628a\u4f60\u7684\u81ea\u5b9a\u4e49\u5de5\u5177（\u5982\u5929\u6c14\u67e5\u8be2\u3001\u673a\u7968\u9884\u8ba2\u3001\u6570\u636e\u5e93\u67e5\u8be2）\u5c01\u88c5\u6210\u7b26\u5408 MCP \u534f\u8bae\u7684\u670d\u52a1，\u8fd9\u4e2a\u5c01\u88c5\u540e\u7684\u670d\u52a1\u5c31\u662f MCP Host\u3002MCP Server：MCP Server \u662fMCP \u4f53\u7cfb\u7684\u6838<\/p>\n","protected":false},"author":2,"featured_media":65261,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[66,99,292,51],"topic":[],"class_list":["post-65267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-ai","tag-java","tag-292","tag-51"],"yoast_head":"\nlangchain4j\uff08\u56db\uff09MCP\u8c03\u7528\u5de5\u5177 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/65267.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"langchain4j\uff08\u56db\uff09MCP\u8c03\u7528\u5de5\u5177 - 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