- 在多个协议实现中(如ProjectProtocol、PackageProtocol等)引入DirectoryService,替换了直接的路径处理逻辑,增强了路径解析的智能性和可靠性。 - 更新了相关方法以支持异步操作,确保在查找项目根目录和注册表路径时能够优雅地处理错误并回退到默认路径。 - 在PromptXConfig中动态计算.promptx目录路径,提升了配置管理的灵活性。 此改动旨在提升代码的可读性和一致性,同时为未来的扩展打下基础。
204 lines
6.3 KiB
JavaScript
204 lines
6.3 KiB
JavaScript
const { Server } = require('@modelcontextprotocol/sdk/server/index.js');
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const { StdioServerTransport } = require('@modelcontextprotocol/sdk/server/stdio.js');
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const { cli } = require('../core/pouch');
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const { MCPOutputAdapter } = require('../adapters/MCPOutputAdapter');
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const { getExecutionContext, getDebugInfo } = require('../utils/executionContext');
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const { getToolDefinitions } = require('../mcp/toolDefinitions');
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/**
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* MCP Server 适配器 - 函数调用架构
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* 将MCP协议请求转换为PromptX函数调用,实现零开销适配
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* 支持智能工作目录检测,确保MCP和CLI模式下的一致性
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*/
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class MCPServerCommand {
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constructor() {
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this.name = 'promptx-mcp-server';
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this.version = '1.0.0';
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this.debug = process.env.MCP_DEBUG === 'true';
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// 智能检测执行上下文
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this.executionContext = getExecutionContext();
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// 调试信息输出
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this.log(`🎯 检测到执行模式: ${this.executionContext.mode}`);
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this.log(`📍 原始工作目录: ${this.executionContext.originalCwd}`);
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this.log(`📁 目标工作目录: ${this.executionContext.workingDirectory}`);
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// 如果需要切换工作目录
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if (this.executionContext.workingDirectory !== this.executionContext.originalCwd) {
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this.log(`🔄 切换工作目录: ${this.executionContext.originalCwd} -> ${this.executionContext.workingDirectory}`);
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try {
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process.chdir(this.executionContext.workingDirectory);
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this.log(`✅ 工作目录切换成功`);
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} catch (error) {
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this.log(`❌ 工作目录切换失败: ${error.message}`);
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this.log(`🔄 继续使用原始目录: ${this.executionContext.originalCwd}`);
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}
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}
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// 基本调试信息
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this.log(`📂 最终工作目录: ${process.cwd()}`);
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this.log(`📋 预期记忆文件路径: ${require('path').join(process.cwd(), '.promptx/memory/declarative.md')}`);
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// DirectoryService路径信息将在需要时异步获取
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// 输出完整调试信息
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if (this.debug) {
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this.log(`🔍 完整调试信息: ${JSON.stringify(getDebugInfo(), null, 2)}`);
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}
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// 创建输出适配器
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this.outputAdapter = new MCPOutputAdapter();
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// 创建MCP服务器实例 - 使用正确的API
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this.server = new Server(
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{
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name: this.name,
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version: this.version
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},
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{
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capabilities: {
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tools: {}
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}
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}
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);
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this.setupHandlers();
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}
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/**
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* 调试日志 - 输出到stderr,不影响MCP协议
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*/
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log(message) {
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if (this.debug) {
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console.error(`[MCP DEBUG] ${message}`);
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}
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}
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/**
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* 启动MCP Server
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*/
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async execute() {
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try {
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this.log('🚀 启动MCP Server...');
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const transport = new StdioServerTransport();
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await this.server.connect(transport);
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this.log('✅ MCP Server 已启动,等待连接...');
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// 保持进程运行
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return new Promise((resolve) => {
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// MCP服务器现在正在运行,监听stdin输入
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process.on('SIGINT', () => {
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this.log('🛑 收到终止信号,关闭MCP Server');
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resolve();
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});
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process.on('SIGTERM', () => {
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this.log('🛑 收到终止信号,关闭MCP Server');
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resolve();
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});
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});
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} catch (error) {
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// 输出到stderr
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console.error(`❌ MCP Server 启动失败: ${error.message}`);
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throw error;
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}
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}
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/**
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* 设置MCP工具处理程序 - 使用正确的MCP SDK API
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*/
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setupHandlers() {
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// 使用Schema常量进行注册
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const {
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ListToolsRequestSchema,
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CallToolRequestSchema
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} = require('@modelcontextprotocol/sdk/types.js');
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// 注册工具列表处理程序
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this.server.setRequestHandler(ListToolsRequestSchema, async () => {
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this.log('📋 收到工具列表请求');
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return {
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tools: this.getToolDefinitions()
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};
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});
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// 注册工具调用处理程序
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this.server.setRequestHandler(CallToolRequestSchema, async (request) => {
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const { name, arguments: args } = request.params;
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this.log(`🔧 调用工具: ${name} 参数: ${JSON.stringify(args)}`);
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return await this.callTool(name, args || {});
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});
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}
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/**
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* 获取工具定义
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*/
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getToolDefinitions() {
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return getToolDefinitions();
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}
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/**
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* 执行工具调用
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*/
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async callTool(toolName, args) {
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try {
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// 将MCP参数转换为CLI函数调用参数
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const cliArgs = this.convertMCPToCliParams(toolName, args);
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this.log(`🎯 CLI调用: ${toolName} -> ${JSON.stringify(cliArgs)}`);
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this.log(`🗂️ 当前工作目录: ${process.cwd()}`);
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// 直接调用PromptX CLI函数 - 启用静默模式避免console.log干扰MCP协议
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const result = await cli.execute(toolName.replace('promptx_', ''), cliArgs, true);
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this.log(`✅ CLI执行完成: ${toolName}`);
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// 使用输出适配器转换为MCP响应格式
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return this.outputAdapter.convertToMCPFormat(result);
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} catch (error) {
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this.log(`❌ 工具调用失败: ${toolName} - ${error.message}`);
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return this.outputAdapter.handleError(error);
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}
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}
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/**
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* 转换MCP参数为CLI函数调用参数
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*/
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convertMCPToCliParams(toolName, mcpArgs) {
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const paramMapping = {
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'promptx_init': () => [],
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'promptx_hello': () => [],
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'promptx_action': (args) => [args.role],
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'promptx_learn': (args) => args.resource ? [args.resource] : [],
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'promptx_recall': (args) => {
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// 忽略random_string dummy参数,只处理query
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// 处理各种空值情况:undefined、null、空对象、空字符串
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if (!args || !args.query || typeof args.query !== 'string' || args.query.trim() === '') {
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return [];
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}
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return [args.query];
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},
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'promptx_remember': (args) => {
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const result = [args.content];
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if (args.tags) {
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result.push('--tags', args.tags);
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}
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return result;
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}
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};
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const mapper = paramMapping[toolName];
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if (!mapper) {
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throw new Error(`未知工具: ${toolName}`);
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}
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return mapper(mcpArgs);
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}
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}
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module.exports = { MCPServerCommand };
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