codex-mcp-proxy

codex-mcp-proxy

A lightweight MCP proxy that resolves compatibility issues between Codex MCP Server and Warp by intercepting resources/list and resources/read requests.

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README

Codex MCP Proxy

一个轻量级 MCP 代理服务器,用于解决 Codex MCP Server 与 Warp 的兼容性问题。

🤖 For LLM Integration: See LLM_GUIDE.md for detailed tool descriptions, error handling, and workflow examples.

问题背景

Warp 在连接 MCP Server 时会发送 resources/list 请求,但 Codex 上游实现仅打印日志而不返回响应,导致 Warp 一直等待。

解决方案

本代理作为中间层:

  • 拦截 resources/list 请求,返回空列表
  • 拦截 resources/read 请求,返回资源未找到错误
  • 透传所有其他请求到 codex mcp-server

安装

npm install
npm run build

使用方法

在 Warp 中配置

编辑 MCP 配置文件:

{
  "mcpServers": {
    "codex": {
      "type": "stdio",
      "command": "node",
      "args": ["C:/Users/Administrator/Desktop/sicko/codex-mcp-proxy/dist/index.js"]
    }
  }
}

环境变量

  • CODEX_MCP_DEBUG=1 - 启用调试日志

直接运行

npm start
# 或开发模式
npm run dev

开发

# 安装依赖
npm install

# 运行测试
npm test

# 运行测试并查看覆盖率
npm run test:coverage

# 类型检查
npm run typecheck

# 构建
npm run build

架构

┌─────────┐     ┌──────────────┐     ┌─────────────────┐
│  Warp   │────▶│ codex-mcp-   │────▶│ codex mcp-server│
│ (Client)│◀────│    proxy     │◀────│   (upstream)    │
└─────────┘     └──────────────┘     └─────────────────┘
                      │
                      ▼
              拦截 resources/*
              返回空列表/错误

测试覆盖率

  • Parser: 100%
  • Server: 80%+
  • Types: 100%

Error Handling

错误响应包含 LLM 友好的详细信息:

{
  "error": {
    "code": -32603,
    "message": "Codex service is not available",
    "data": {
      "detail": "The Codex backend process is not running or failed to start.",
      "suggestion": "Wait a few seconds and retry. If the problem persists, restart the MCP server.",
      "retryable": true,
      "method": "tools/call"
    }
  }
}

License

MIT

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