mcp-client-server

by willccbb · TypeScript · ★ 124

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

Install

npx -y github:willccbb/mcp-client-server

Claude Desktop config

Add this to your claude_desktop_config.json:

{
  "mcpServers": {
    "mcp-client-server": {
      "command": "npx",
      "args": [
        "-y",
        "github:willccbb/mcp-client-server"
      ]
    }
  }
}

From the README

An MCP middleware that acts as both a server (to Claude) and a client (to servers under test) for testing MCP servers during development. The MCP Test Client has a dual role: - It's a **server** registered with Claude that exposes tools for testing - It's a **client** that connects to and tests other MCP servers This architecture lets you test MCP servers without registering them directly with Claude. - 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 Th…

Read full README on GitHub →