Pure Java 21 MCP Server

@aliaksandr-haurylau-godel

代码仓库

基本信息

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其他

传输方式

stdio

作者

aliaksandr-haurylau-godel

关于 Pure Java 21 MCP Server

暂无概览

#mcp-server #java-server#mcp-implementation

Pure Java 21 MCP Server 配置

暂无标准配置

该服务器的 README 中没有可解析的 MCP 配置块，请前往代码仓库查看安装说明。

代码仓库

Pure Java 21 MCP Server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is Pure Java 21 MCP Server?

An implementation of a Model Context Protocol (MCP) server written in pure Java 21, built from scratch without external MCP-specific SDKs. It uses STDIO transport with Content-Length framed JSON-RPC messages and is intended for developers who need a lightweight, Java-native MCP server.

How to use Pure Java 21 MCP Server?

Ensure Java 21 and the Gson library JAR are available. Place the Gson JAR in a lib directory, compile all Java sources into bin, then run the server using java -cp "bin:lib/gson-2.10.1.jar" io.modelcontextprotocol.server.Main. The server listens for JSON-RPC messages on standard input.

Key features of Pure Java 21 MCP Server?

Pure Java 21 implementation with no external MCP SDKs
STDIO transport with Content-Length header framing
Implements initialize, initialized, shutdown, and exit lifecycle
Provides a single tool: echoTool (echoes a message)
Logging to file (mcp-server.log) and console

Use cases of Pure Java 21 MCP Server?

Testing MCP client-server communication over STDIO
Demonstrating tool-calling with a simple echo tool
Validating MCP protocol implementation in Java
Lightweight integration into Java applications requiring MCP

常见问题

What are the prerequisites for Pure Java 21 MCP Server?

Java 21 SDK and the Gson library JAR (e.g., gson-2.10.

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