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simple-nodejs-mcp-client

MCP.Pizza Chef: sawa-zen

simple-nodejs-mcp-client is a lightweight, interactive MCP client implemented in Node.js designed for studying and experimenting with the Model Context Protocol. It allows developers to configure and connect to MCP servers, send system prompts, and interact with LLMs in a modular, real-time context environment. This client serves as a practical reference implementation for building MCP-based AI workflows and integrations.

Use This MCP client To

Experiment with MCP client-server interactions in Node.js Test and debug MCP server configurations and responses Send system prompts and manage context for LLMs Build custom AI workflows using MCP protocol Learn MCP client implementation details and best practices

README

Simple Nodejs MCP Client

This is a study repository for implementing a Model Context Protocol (MCP) client. It features a simple interactive MCP client implemented in Node.js.

screenshot

Installation

npm install

Configuration

  1. Copy the example configuration file:
cp config.example.json config.json
  1. Edit config.json and update the configuration values with your own settings:
  • claudeApiKey: Your Claude API key
  • systemPrompt: The system prompt for the anthorpic client
  • mcpServers: Configuration for MCP servers (if needed)

Usage

  1. Build the project:
npm run build
  1. Start the client:
npm run start

License

See LICENSE file for details.

simple-nodejs-mcp-client FAQ

How do I install the simple-nodejs-mcp-client?
Run 'npm install' in the project directory to install dependencies.
How do I configure the client to connect to MCP servers?
Copy 'config.example.json' to 'config.json' and update the MCP server and API key settings.
How do I start the MCP client?
Build the project with 'npm run build' and start it using 'npm run start'.
Can I use this client with different LLM providers?
Yes, it supports configuration for providers like Claude, Anthropic, and others via API keys.
Is this client suitable for production use?
It is primarily a study and reference implementation, best suited for learning and prototyping.
Does the client support multiple MCP servers?
Yes, you can configure multiple MCP servers in the 'config.json' file.
What programming language is the client implemented in?
The client is implemented in Node.js, making it easy to extend and integrate.
Where can I find the license information?
License details are available in the LICENSE file in the repository.