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htsc-mcp-proxy

v0.8.7

Published

A stateless stdio MCP forwarder: tools, resources and prompts pass through to a remote MCP server unmodified.

Readme

htsc-mcp-proxy

一个极简的、无状态的 MCP 转发服务。把 tools / resources / prompts 透传给远程 MCP server——远端返回什么就原样转告什么,不做任何加工。

安装

npm install -g htsc-mcp-proxy

或用 npx 直接运行,无需安装:

npx htsc-mcp-proxy insight-stock-data sk-12312312312

需要 Node.js ≥ 18。

启动

htsc-mcp-proxy                                    # 默认 prod 环境
htsc-mcp-proxy insight-stock-data                 # 指定服务
htsc-mcp-proxy insight-stock-data sk-12312312312  # 服务 + app key
htsc-mcp-proxy --help                             # 查看全部用法

位置参数按值识别、顺序无关,以下几个写法等价:

htsc-mcp-proxy insight-stock-data sk-12312312312
htsc-mcp-proxy sk-12312312312 insight-stock-data

| 位置参数的值 | 作用 | | --- | --- | | <service>-<name>-data | 选服务,决定远端 URL 路径 | | prod | 生产环境(默认,不传也是它) | | 其它任意值(如 sk-xxx) | app key |

同名参数也可用 --app-key <值>、环境变量等方式传入,详见 --help

服务名 → URL 规则

服务名不需要注册表,URL 直接从名字推导,新增远端服务无需改代码:

<service>-<name>-data   ->   https://inst.htsc.com/mcp/v1/<service>/<name>

| 服务名 | 实际地址 | | --- | --- | | insight-stock-data | https://inst.htsc.com/mcp/v1/insight/stock | | insight-index-data | https://inst.htsc.com/mcp/v1/insight/index | | insight-bond-data | https://inst.htsc.com/mcp/v1/insight/bond | | insight-fund-data | https://inst.htsc.com/mcp/v1/insight/fund | | insight-option-data | https://inst.htsc.com/mcp/v1/insight/option | | foo-bar-data | https://inst.htsc.com/mcp/v1/foo/bar |

  • <service> 是第一个短横线分段(只允许字母、数字);<name> 可含短横线(如 insight-my-thing-data/mcp/v1/insight/my-thing
  • 任意 <service> 都生效,不限于 insight
  • 不传服务名时使用默认路径 /mcp/v1/insight/insight_mcp

接入 MCP 客户端

服务名与 app key 按位置传入,顺序无关:

{
  "mcpServers": {
    "insight": {
      "command": "<启动方式,见下>",
      "args": ["insight-stock-data", "sk-12312312312"]
    }
  }
}

macOS / Linux

{
  "mcpServers": {
    "insight": {
      "command": "npx",
      "args": [
        "--yes",
        "--registry=https://registry.npmmirror.com",
        "htsc-mcp-proxy@latest",
        "insight-stock-data",
        "sk-12312312312"
      ]
    }
  }
}

--yes 跳过 npx 的安装确认;--registry 可换成其它镜像源(npm 官方源访问不畅时使用)。两者必须放在包名之前

Windows

⚠️ 直接写 "command": "npx" 在 Windows 上大概率起不来。 多数 MCP 宿主不经 shell 直接拉进程,而 Windows 的 npx 是批处理/脚本(不是可执行文件),会被以 ENOENT 拒绝——进程没起来,宿主往往还不报错,表现为"怎么重启都没反应"。

方式一:走 cmd 解析 npx(改动最小)

{
  "mcpServers": {
    "insight": {
      "command": "cmd",
      "args": [
        "/c", "npx",
        "--yes",
        "htsc-mcp-proxy@latest",
        "insight-stock-data",
        "sk-12312312312"
      ]
    }
  }
}

方式二:全局安装后用 node 指向绝对路径(最稳,推荐长期使用)

npm install -g htsc-mcp-proxy
{
  "mcpServers": {
    "insight": {
      "command": "C:\\Program Files\\nodejs\\node.exe",
      "args": [
        "C:\\Users\\<你>\\AppData\\Roaming\\npm\\node_modules\\htsc-mcp-proxy\\dist\\mcp-auth-proxy.mjs",
        "insight-stock-data",
        "sk-12312312312"
      ]
    }
  }
}

node 与脚本的绝对路径以实际安装位置为准(npm root -g 可查)。该写法同时摆脱了对 shell 与 PATH 的依赖,跨宿主最稳。

若已全局安装,也可以直接指向 bin(npx 的思路):

{
  "mcpServers": {
    "insight": {
      "command": "htsc-mcp-proxy",
      "args": ["insight-stock-data", "sk-12312312312"]
    }
  }
}

注意:bin 同样是 .cmd 垫片,无 shell 宿主下仍可能失败——Windows 上请优先用方式二。

通用建议

  • 固定版本号@latest 会在上游发布后静默升级,行为变了难排查;生产环境建议写死具体版本号(查看 npm 上的最新发布版本后填入)。
  • app key 是明文:配置文件会被客户端读取、可能进日志。宿主支持环境变量引用时(如 ${env:HTSC_APP_KEY})优先用变量。
  • 首次调用返回 40101:属正常流程——本地 key 需要完成一次授权绑定,按返回信息中的链接登录即可,之后无需再管。

License

MIT