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Openai Codex MCP Server

@agency-ai-solutions

基本情報

カテゴリ

AI とエージェント

ライセンス

NOASSERTION

トランスポート

stdio

作者

agency-ai-solutions

Openai Codex MCP Server について

An MCP server to communicated with, use, and wrap the API for the OpenAI Codex CLI tool.

Openai Codex MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "openai-codex-mcp": {
      "command": "uv",
      "args": [
        "venv",
        "#",
        "creates",
        "a",
        ".venv/",
        "directory"
      ]
    }
  }
}

Openai Codex MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is openai-codex-mcp?

openai-codex-mcp is a JSON-RPC server that wraps the OpenAI Codex CLI tool, enabling Claude Code to use OpenAI’s models for code generation, explanation, and debugging within the same interface.

How to use openai-codex-mcp?

Install with uv pip install . after creating a venv, then run codex_server (or uvicorn codex_server:app). Register it in Claude Code via claude mcp add /path/to/openai_codex_mcp.json or manually with base URL http://localhost:8000/ and protocol JSON-RPC 2.0. No authentication needed.

Key features of openai-codex-mcp

  • Specialized methods: write_code, explain_code, debug_code
  • Supports multiple OpenAI models (O‑series and GPT)
  • Simplified parameter naming for easy integration
  • Runs as a lightweight, standalone Python server
  • No authentication required for the MCP server itself

Use cases of openai-codex-mcp

  • Generate code in a specific language for a given task
  • Obtain detailed explanations of how code works
  • Find and fix bugs in problematic code
  • Leverage different OpenAI models (o4‑mini, gpt‑4o, etc.) for specialized tasks

よくある質問

1

What makes this MCP server different from directly using the Codex CLI?

It provides a JSON-RPC interface specifically designed for Claude Code, with dedicated methods for common coding tasks and simplified parameter naming.

2

What are the runtime requirements?

Python 3.12+, the OpenAI Codex CLI tool (installed via `npm install -g @openai/codex`), and a valid OpenAI API key configured for the Codex CLI.

3

Where does the code/data processed by the server live?

The README does not specify data storage; all processing occurs locally via the Codex CLI and the MCP server on localhost.

4

Does the server support authentication?

No – the base URL configuration does not require an authentication token.

5

What transport protocol does it use?

JSON-RPC 2.0 over HTTP, listening on port 8000 by default.

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