<div align="center"> **Test any MCP server with plain YAML.** No SDK. No boilerplate. Works with servers written in any language. English | [简体中文](./README.zh-CN.md) </div> --- Thousands of [Model Context Protocol](https://modelcontextprotocol.io) servers are being published, and almost none of them have tests. The official Inspector is great for poking at a server by hand — but there has been no standard way to say *"these are the behaviors my server must keep"* and enforce it on every commit.