MCP Servers

@zhangzwd/mcp-gateway

A lightweight MCP gateway that aggregates multiple MCP services into a unified stdio interface, automatically prefixing tool names with the service name to avoid conflicts.

README

@zhangzwd/mcp-gateway

一个轻量级 MCP 网关，将多个 MCP 服务聚合成一个统一的 stdio 接口。

每个子服务的工具会自动加上 {服务名}_ 前缀，避免工具名冲突。

安装

npx @zhangzwd/mcp-gateway

无需全局安装，npx 会自动下载运行。

配置文件

默认读取 ~/.mcp/gateway.config.json，可通过环境变量 MCP_GATEWAY_CONFIG 覆盖路径。

{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": ["-y", "@upstash/context7-mcp", "--api-key", "你的API_KEY"]
    },
    "另一个服务名": {
      "command": "node",
      "args": ["path/to/server.js"]
    }
  }
}

mcpServers 中的每个 key 就是服务名，会作为工具前缀。例如 context7 服务的 resolve-library-id 工具对外暴露为 context7_resolve-library-id。

在 AI 工具中使用

opencode.json

{
  "mcp": {
    "gateway": {
      "type": "local",
      "command": ["npx", "-y", "@zhangzwd/mcp-gateway"]
    }
  }
}

codex config.toml

[mcp_servers.gateway]
command = "npx"
args = ["-y", "@zhangzwd/mcp-gateway"]

reasonix config.json

{
  "mcpServers": {
    "gateway": {
      "command": "npx",
      "args": ["-y", "@zhangzwd/mcp-gateway"]
    }
  }
}

项目结构

~/.mcp/gateway.config.json   # 配置文件（你编辑这个）
~/.mcp-gateway/
  gateway.js                  # 主程序（已发布到 npm）
  package.json
  README.md

工作原理

读取 gateway.config.json，获取子 MCP 服务列表
为每个子服务启动一个子进程（stdio 通信）
调用 listTools 获取工具列表，工具名加 {服务名}_ 前缀
将自己注册为一个 MCP Server，暴露合并后的工具列表
收到 tools/call 请求时，根据工具名前缀路由到对应的子服务

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