Codex Tool MCP Server: Install & Setup

Install Codex Tool in Claude Code

Claude Code

claude mcp add codex-tool -- npx -y @trishchuk/codex-mcp-tool

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "codex-tool": {
      "command": "npx",
      "args": [
        "-y",
        "@trishchuk/codex-mcp-tool"
      ]
    }
  }
}

Frequently asked questions

What does the Codex Tool MCP server do?

Connect an IDE or AI assistant to Codex CLI for code analysis and editing, with support for multiple models.

Is the Codex Tool MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Codex Tool run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Codex Tool to Claude Code?

Run: claude mcp add codex-tool -- npx -y @trishchuk/codex-mcp-tool

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