mcp-hello-world
MCP Hello World is a minimal MCP server for testing client code that interacts with an MCP server. It provides a predictable and controllable environment for unit and integration testing, supporting both STDIO and HTTP/SSE protocols. It is lightweight and not intended for production use.
MCP Hello World - MCP Server Mock for Testing
This project is a minimal Model Context Protocol (MCP) server implemented in TypeScript, primarily intended as a test double or mock server for testing purposes. It is designed to provide a lightweight, controllable, and predictable environment for unit testing or integration testing of client code interacting with an MCP server. It supports both STDIO and HTTP/SSE transport protocols.
Why Use mcp-hello-world in Tests?
- Isolation: Focus on client logic without external server issues.
- Predictability: Simple, fixed behaviors for easy assertions.
- Speed: Fast startup and response times.
- Lightweight: Few dependencies for easy integration.
- Protocol Coverage: Supports
STDIOandHTTP/SSEMCP transport protocols.
Usage in Tests
mcp-hello-world can be programmatically started and stopped within test frameworks for automated testing.
Provided MCP Capabilities
- Resources: Static and dynamic resources for interaction.
- Tools: Echo and debug tools for assertions.
- Prompts: A helpful assistant prompt for predefined roles.
License
MIT