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Overview

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

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Output File

AGENTS.md

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Enabling

drevon add-agent codex
Or in drevon.config.json: 
{
  "agents": {
    "codex": {
      "enabled": true
    }
  }
}

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Agent-Specific Settings

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

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Requirements

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