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MCP Server Server

@MCP-Mirror

Repository

Basic information

Category

Other

Transports

stdio

Author

MCP-Mirror

About MCP Server Server

Mirror of

#mcp-server#websocket#server-communication

MCP Server Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "rgarcia_mcp-server-server": {
      "command": "bun",
      "args": [
        "run",
        "mcp-server",
        "-p",
        "3001",
        "--",
        "npx",
        "-y",
        "@modelcontextprotocol/server-puppeteer@latest"
      ]
    }
  }
}

MCP Server Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is mcp-server-server?

A proof-of-concept MCP server wrapper that converts stdio-based MCP servers into websocket servers, allowing programmatic interaction over the network without spawning subprocesses.

How to use mcp-server-server?

Run the wrapper with bun run mcp-server -p <port> -- <mcp-server-command> (e.g., bun run mcp-server -p 3001 -- npx -y @modelcontextprotocol/server-puppeteer@latest). Then connect using WebSocketClientTransport from the MCP SDK.

Key features of mcp-server-server

  • Wraps any stdio MCP server as a websocket server.
  • Eliminates process management in MCP clients.
  • Enables network-based MCP server communication.
  • Simple CLI with port and server command parameters.
  • Works with all existing stdio MCP servers.

Use cases of mcp-server-server

  • Programmatically interact with MCP servers without spawning processes.
  • Test MCP servers in code using WebSocketClientTransport.
  • Simplify MCP server integration into web applications or services.

Frequently asked questions

1

What does mcp-server-server do?

It takes a stdio MCP server command and exposes it as a websocket server, so clients can connect over the network instead of managing subprocesses.

2

What transport does it use?

WebSocket transport. Clients connect using `WebSocketClientTransport` from the MCP SDK.

3

What are the runtime dependencies?

Bun is required to run the wrapper. The client side uses the MCP SDK (`@modelcontextprotocol/sdk`) and Node.js/Bun.

4

Is this ready for production?

No, this is a proof of concept. Multi-user configuration support (step 3) is marked as TODO.

5

How do I connect to the wrapped server?

Use the MCP Client with `WebSocketClientTransport` pointing to the websocket URL (e.g., `ws://localhost:3001`).

Comments

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