codex

Installation
SKILL.md

Codex Skill

Bridge to the OpenAI Codex CLI for high-reasoning tasks using gpt-5.3-codex.

Features

  1. High Reasoning: Leverages gpt-5.3-codex with configurable reasoning effort (default: high).
  2. Structured Output: Supports JSON Schema for guaranteed output shapes.
  3. Automatic OAuth: Uses the existing codex CLI authentication.
  4. Sandbox Aware: Runs within the Codex sandbox policy if requested.
  5. Watchdog Stall Detection: Kills stalled processes (default: 5 min no-output).
  6. Task-Monitor Integration: Long-running calls visible in /task-monitor tui.
  7. Concurrent Execution: Run multiple prompts in parallel (like /orchestrate).
  8. Walkthrough: Auto-invoke /create-walkthrough on output for complex reasoning.

Usage

Simple Reasoning

Installs
2
GitHub Stars
7
First Seen
Mar 17, 2026
codex — grahama1970/agent-skills