MCP Test Client

Name: MCP Test Client
Author: willccbb

@willccbb

关于 MCP Test Client

An MCP Server that's also an MCP Client. Useful for letting Claude develop and test MCPs without needing to reset the application.

#mcp-client #mcp-server #testing-tool

基本信息

分类

开发工具

运行时

node

传输方式

stdio

发布者

willccbb

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "mcp-client-server": {
      "command": "node",
      "args": [
        "dist/test-runner.js"
      ]
    }
  }
}

工具

未检测到工具

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is MCP Test Client?

MCP Test Client is a middleware tool that acts as both an MCP server (to Claude) and an MCP client (to servers under test), enabling developers to test MCP servers during development without registering them directly with Claude.

How to use MCP Test Client?

Install dependencies with npm install, build with npm run build, then either register the server with Claude via the claude-mcp-local script and use its exposed tools, or run the CLI interface with npm run test for an interactive testing menu.

Key features of MCP Test Client

Deploy MCP servers to test environments
Call individual tools with custom arguments
Run automated test suites
View server logs
Test servers before formal registration with Claude

Use cases of MCP Test Client

Develop and debug an MCP server in isolation before registration
Deploy a server to a staging environment and call its tools
Run end-to-end test suites against deployed servers
Inspect server logs during development to fix issues
Iterate on server code and redeploy quickly without affecting production

FAQ from MCP Test Client

What is MCP Test Client used for?

It is used to test MCP servers during development by acting as a bridge between Claude and the server under test.

How do I install the MCP Test Client?

Run npm install to install dependencies and npm run build to compile the TypeScript project.

How do I register the MCP Test Client with Claude?

The server is registered with Claude via the claude-mcp-local script (details are in the project’s usage instructions).

What transport does MCP Test Client use?

It implements a custom transport for stdio communication with the servers being tested.

What are the main tools provided by MCP Test Client?

The tools include mcp_test_deploy_server, mcp_test_call_tool, mcp_test_run_tests, mcp_test_get_logs, mcp_test_list_servers, and mcp_test_stop_server.

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