MCP Server Hello World

What is MCP Server Hello World?

An example Model Context Protocol (MCP) server that provides simple hello world methods, intended for developers learning MCP or testing setups.

How to use MCP Server Hello World?

Install dependencies with npm install, build the project with npm run build, then launch the inspector with npm run inspector. Test with npm test.

Key features of MCP Server Hello World

• Basic hello world method returning a static string.
• Method accepting an optional input string.
• Method requiring a configuration string as input.
• Simple Node.js project structure.

Use cases of MCP Server Hello World

• Learning how to implement MCP server methods.
• Prototyping MCP client-server interactions.
• Verifying MCP tooling and inspector functionality.

FAQ from MCP Server Hello World

What methods are available?

Three methods: hello_world, hello_world_with_input, and hello_world_with_config.

How do I install and run the server?

Run npm install, then npm run build and npm run inspector to start the MCP inspector.

What does hello_world return?

It returns the string "hello world".

What does hello_world_with_input do?

It returns "hello world" appended with an optional message string.

What does hello_world_with_config require?

It requires a config string (mandatory) and returns "hello configuration" appended with that config.