Step-by-Step Guide to Build Your Own MCP Server and MCP Client with UI Using Python

Name: Step-by-Step Guide to Build Your Own MCP Server and MCP Client with UI Using Python
Author: mkcod

@mkcod

Repository

About Step-by-Step Guide to Build Your Own MCP Server and MCP Client with UI Using Python

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#mcp #server #client #python #tutorial

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp_server_client_tutorial_using_python": {
      "command": "uvx",
      "args": [
        "create-mcp-server"
      ]
    }
  }
}

Tools

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Overview

What is Step-by-Step Guide to Build Your Own MCP Server and MCP Client with UI Using Python?

This comprehensive guide walks you through creating both a Model Context Protocol (MCP) server and a client with a graphical user interface using Python. MCP facilitates communication between language models and tool providers, enabling AI-based applications. It is intended for developers with basic Python and async programming knowledge.

How to use Step-by-Step Guide to Build Your Own MCP Server and MCP Client with UI Using Python?

Follow the guide sequentially: set up the environment with pip install uv, create a server project using uvx create-mcp-server, implement server logic in server.py, then build a client with uv init mcp-client, add packages (mcp, anthropic, python-dotenv), and finally add a Tkinter UI via client_ui.py. Run the server with python -m server_project_name.server and the client with asyncio.run(main()).

Key features of Step-by-Step Guide to Build Your Own MCP Server and MCP Client with UI Using Python

Complete walkthrough for building an MCP server and client.
Implements a server with an example addition tool.
Client connects to the server via stdio transport.
Graphical user interface built with Tkinter.
Uses Python and modern tooling such as uv.
Includes setup, implementation, and execution instructions.

Use cases of Step-by-Step Guide to Build Your Own MCP Server and MCP Client with UI Using Python

Learning how to implement the Model Context Protocol from scratch.
Building a custom tool server for AI assistants.
Creating a user-friendly desktop interface for calling MCP tools.
Prototyping a Python-based MCP system for education or integration.

FAQ from Step-by-Step Guide to Build Your Own MCP Server and MCP Client with UI Using Python

What is MCP?

MCP (Model Context Protocol) is designed to facilitate communication between language models and tool providers, enabling powerful AI-based applications.

What are the prerequisites?

A Windows or Mac computer with the latest Python, familiarity with Python programming, basic understanding of async programming, and knowledge of UI concepts.

How do I install the required tools?

Install the uv tool with pip install uv. Then use uv sync --dev --all-extras for the server project and uv add mcp anthropic python-dotenv for the client.

How do I run the MCP server?

Run python -m server_project_name.server from the server project directory. The server runs on localhost at port 8000 by default.

How do I add a UI to the MCP client?

Install Tkinter with uv add tk, then create a client_ui.py file that imports the MCPClient class and builds a Tkinter interface for connection and tool calling.

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