codex-cli

An orchestration skill for the OpenAI Codex command-line tool, which lets an AI agent work with software projects from a terminal. It supports the listed GPT-5.3-Codex model variants.

In plain words
What is it for?
It is for generating and refactoring code, editing files, running parallel tasks, managing sessions, reviewing code, and analysing architecture.
Why use it?
It helps coordinate AI-assisted development work across coding, editing, review, and multiple parallel tasks.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/alfredolopez80/multi-agent-ralph-loop/codex-cli
Any agent
npx skills add alfredolopez80/multi-agent-ralph-loop --skill codex-cli
Clone the repo
git clone --depth 1 https://github.com/alfredolopez80/multi-agent-ralph-loop

Made for: Claude Code, Codex.

Per session 237 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,100 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. Scan, not verified.
Origin unknown No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00237 $0.04100
Opus 5 $0.00118 $0.02050
Sonnet 5 $0.00047 $0.00820
Haiku 4.5 $0.00024 $0.00410

Measured 2d ago against content hash 5c144106f000, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

codex-cli scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

### Profile Setup (~/.codex/config.toml)
.claude/skills/codex-cli/SKILL.md · 506 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 506 lines · 237 tokens per session scan B 5c144106f000

Subscribe to this mod's changes

codex-cli is a skill published in the GitHub repository alfredolopez80/multi-agent-ralph-loop (146 stars, last pushed 4d ago), with no licence file. It adds 237 tokens to every session and 4,100 once invoked, about $0.0012 per session on Opus 5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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