M

MCP Playground

MCP Server example project implementing basic communication functions
2 points
8

What is the Hello MCP Server?

This is a demonstration MCP server whose main function is to receive requests and return simple greeting responses. It shows the most basic implementation and working principle of an MCP server.

How to use the Hello MCP Server?

After configuring the MCP client to connect to this server, sending any request will receive a friendly greeting response. This is an introductory example to understand MCP protocol interaction.

Applicable Scenarios

Suitable for learning and testing the MCP protocol, and can be used as a template reference before developing more complex MCP servers.

Main Features

Basic Greeting FunctionReceive any valid request and return a preset greeting message
Standard MCP Protocol SupportFully implemented in accordance with the MCP protocol specification

Advantages and Limitations

Advantages
Simple and easy to use, with zero learning cost
Concise code, suitable as a development template
Demonstrates the basic structure of an MCP server
Limitations
Single - function, only for demonstration purposes
Lack of actual business logic
Does not include production - level features such as error handling

How to Use

Configure the MCP Client
Add server configuration to the MCP client configuration file
Start the Server
Start the server instance through the MCP client
Send a Test Request
Send any valid request to the server to view the response

Usage Examples

Basic Greeting TestSend a simple request to get the server's greeting

Frequently Asked Questions

What is the practical use of this server?
How to modify the greeting message?

Related Resources

MCP Protocol Documentation
Official MCP protocol specification documentation
MCP Playground Project
A code repository containing more MCP examples
Installation
Copy the following command to your Client for configuration
{
    "mcpServers": {
        "hello-mcp-server": {
            "isActive": true,
            "name": "hello-mcp-server",
            "type": "stdio",
            "description": "MCP Server示例:向 MCP 打招呼",
            "registryUrl": "",
            "command": "uv",
            "args": [
                "run",
                "--directory",
                "<mcp_playground 项目路径>/01_hello_mcp_server",
                "--with",
                "mcp",
                "mcp",
                "run",
                "hello_mcp_server.py"
            ]
        }
    }
}
Note: Your key is sensitive information, do not share it with anyone.
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