About MCP Server Hello World
MCP Server Hello World is a small example server for developers learning or testing MCP. Its methods return fixed or input-based greeting text, including a configuration example.
Key features
- 01Return a basic greeting
- 02Append optional input to a greeting
- 03Build a greeting from configuration
- 04Run tests
Use cases
- 01Explore a minimal MCP server example
- 02Test a server's input handling
- 03Inspect configuration-based responses
MCP support
Implements an MCP server with three greeting methods that MCP clients can call.
Configuration
Local server config is the same for every client. Copy it into your client’s MCP config file.
We haven’t collected a package or remote endpoint for this server. Follow the instructions in the project README.
Tools
Local servers expose tools only once running on your machine, and the maintainer has not provided a tool list.
Details
From the project READMEMCP Server Hello World
A Model Context Protocol server example with hello world methods.
Installation
npm install
Usage
npm run build
npm run inspector
Testing
npm test
Methods
hello_world
Returns "hello world".
hello_world_with_input
Returns "hello world" with the provided input.
Input:
- message (string, optional): The input to append to "hello world".
hello_world_with_config
Returns "hello configuration" with the provided config.
Input:
- config (string, required): The configuration to append to "hello configuration".
Comments
New to MCP?
From what the protocol is to installing your first server, these answers cover most first questions.
An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.