OpenAI Codex - Drevon

Overview

OpenAI Codex CLI reads instructions from AGENTS.md in the repository root. Drevon generates this as a standard markdown file.

Output File

AGENTS.md

Enabling

drevon add-agent codex

Or in drevon.config.json:

{
  "agents": {
    "codex": {
      "enabled": true
    }
  }
}

Agent-Specific Settings

{
  "agents": {
    "codex": {
      "enabled": true,
      "extraInstructions": [
        "Prefer simple solutions over clever ones",
        "Always include error handling"
      ]
    }
  }
}

Requirements

Codex CLI installed (npm install -g @openai/codex)
AGENTS.md in the repository root (Drevon handles this)