ask-codex

local MCP server

Installation

Terminal

claude mcp add ask-codex -e GMCPT_TIMEOUT_MS=... -e GMCPT_LOG_LEVEL=... -- npx -y @ask-llm/codex-mcp

Run in your project folder. Add --scope user to use it everywhere.

Claude Desktop, Cursor & other clients

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "ask-codex": {
      "command": "npx",
      "args": [
        "-y",
        "@ask-llm/codex-mcp"
      ],
      "env": {
        "GMCPT_TIMEOUT_MS": "...",
        "GMCPT_LOG_LEVEL": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

Summary

Bridge Claude with OpenAI Codex CLI for AI-to-AI collaboration, code review, and second opinions

Questions

ask-codex is a local MCP server distributed as the npm package @ask-llm/codex-mcp.

Run: claude mcp add ask-codex -e GMCPT_TIMEOUT_MS=... -e GMCPT_LOG_LEVEL=... -- npx -y @ask-llm/codex-mcp

Run: codex mcp add ask-codex --env GMCPT_TIMEOUT_MS=... --env GMCPT_LOG_LEVEL=... -- npx -y @ask-llm/codex-mcp

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