Chalee MCP RAG

by prettyking

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About

A Retrieval-Augmented Generation (RAG) server for document processing, vector storage, and intelligent Q&A, powered by the Model Context Protocol.

Details

Author
prettyking
Categories
Developer Tools, Knowledge Base, Other, AI

Setup

Install Chalee MCP RAG in your MCP client (Claude Desktop, Cursor, Windsurf, and others).

Repository: https://github.com/prettyking/chalee-mcp-rag

Follow the installation instructions in the repository README, then restart your MCP client.

一个基于Model Context Protocol (MCP)RAG(检索增强生成)服务器,提供文档处理、向量存储和智能问答功能。

- 🔧标准化 MCP 协议:遵循 Anthropic MCP 标准,可与 Claude Desktop 等客户端集成
- 📚智能文档处理:自动分块、向量化存储
- 🔍语义检索:基于余弦相似度的相关文档检索
- 💬智能问答:结合检索上下文的准确回答生成
- 🛡️安全可靠:内置错误处理和参数验证
- 🚀生产就绪:完整的配置和部署支持

git clone https://github.com/PrettyKing/chalee-mcp-rag.git cd chalee-mcp-rag
cp .env.example .env # 编辑 .env 文件,设置你的 OpenAI API 密钥
chalee-mcp-rag/ ├── rag-agent.js # RAG Agent 核心实现 ├── mcp-rag-server.js # MCP 服务器 ├── mcp-client.js # MCP 客户端示例 ├── test.js # RAG Agent 测试 ├── package.json # 项目配置 ├── .env.example # 环境变量示例 └── README.md # 说明文档

要在 Claude Desktop 中使用此 MCP 服务器,请在 Claude 配置文件中添加:

编辑~/Library/Application Support/Claude/claude_desktop_config.json:

{ "mcpServers": { "chalee-rag-server": { "command": "node", "args": ["/path/to/your/chalee-mcp-rag/mcp-rag-server.js"], "env": { "OPENAI_API_KEY": "your_openai_api_key_here" } } } }

编辑%APPDATA%\\Claude\\claude_desktop_config.json:

{ "mcpServers": { "chalee-rag-server": { "command": "node", "args": ["C:\\path\\to\\your\\chalee-mcp-rag\\mcp-rag-server.js"], "env": { "OPENAI_API_KEY": "your_openai_api_key_here" } } } }
const MCPRAGClient = require('./mcp-client'); async function example() { const client = new MCPRAGClient(); // 连接服务器 await client.connect(); // 初始化 RAG await client.initializeRAG('your-openai-api-key'); // 添加文档 await client.addDocument('这是一个示例文档...', { category: '示例', source: 'demo' }); // 提问 const answer = await client.askQuestion('这个文档讲了什么?'); console.log(answer.answer); // 断开连接 await client.disconnect(); }
// 自定义 RAG 配置 await client.initializeRAG('your-api-key', { chunkSize: 800, // 文档分块大小 chunkOverlap: 100, // 分块重叠大小 maxRetrievedDocs: 5 // 最大检索文档数 });
# 运行 RAG Agent 测试 npm test # 运行 MCP 客户端演示 npm run mcp-client
FROM node:16-alpine WORKDIR /app COPY package*.json ./ RUN npm install COPY . . EXPOSE 3000 CMD ["npm", "run", "mcp-server"]
# 使用 PM2 管理进程 npm install -g pm2 pm2 start mcp-rag-server.js --name "mcp-rag-server" pm2 monitor

- 确保 Node.js 版本 >= 16
- 检查依赖是否正确安装
- 验证 API 密钥是否有效

- 确保先调用initialize_rag
- 检查参数格式是否正确
- 查看服务器日志获取详细错误信息

- 减少chunkSizemaxRetrievedDocs
- 优化文档大小和数量
- 考虑使用外部向量数据库

// PDF 支持 const pdfParse = require('pdf-parse'); async function loadPDF(filePath) { const dataBuffer = fs.readFileSync(filePath); const data = await pdfParse(dataBuffer); return await agent.addDocument(data.text, { type: 'pdf', source: filePath }); }
// 使用 Pinecone 向量数据库 const { PineconeStore } = require('langchain/vectorstores/pinecone'); class PersistentRAGAgent extends RAGAgent { async initializePinecone() { this.vectorStore = await PineconeStore.fromExistingIndex( new OpenAIEmbeddings(), { pineconeIndex: this.index } ); } }
interface InitializeRAGParams { apiKey: string; config?: { chunkSize?: number; chunkOverlap?: number; maxRetrievedDocs?: number; }; }
interface AddDocumentParams { content: string; metadata?: Record<string, any>; }
interface AskQuestionParams { question: string; } interface AskQuestionResponse { question: string; answer: string; sources?: Array<{ content: string; similarity: number; metadata: Record<string, any>; }>; timestamp: string; }

- Fork 项目
- 创建功能分支 (git checkout -b feature/AmazingFeature)
- 提交更改 (git commit -m 'Add some AmazingFeature')
- 推送到分支 (git push origin feature/AmazingFeature)
- 打开 Pull Request

- Anthropic- MCP 协议开发者
-
OpenAI- GPT 和 Embedding API
-
LangChain- 文本处理工具

- 📧 Email:your-email@example.com
- 🐛 Issues:
GitHub Issues
- 💬 Discussions:
GitHub Discussions

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