codex-usage

A read-only checker for the current macOS Codex CLI login and usage status. Codex CLI is a command-line tool for working with coding agents.

In plain words
What is it for?
Use it to see whether the local Codex CLI account is logged in and to query plan, session, weekly, credit, and other usage-limit details.
Why use it?
It lets you check authentication and subscription limits without exposing login tokens or changing the account.

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/uvwt/agentdock-skills/codex-usage
Any agent
npx skills add uvwt/agentdock-skills --skill codex-usage
Clone the repo
git clone --depth 1 https://github.com/uvwt/agentdock-skills

Made for: Claude Code, Codex.

Per session 26 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 452 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original 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 $0.00026 $0.00452
Opus 5 $0.00013 $0.00226
Sonnet 5 $0.00005 $0.00090
Haiku 4.5 $0.00003 $0.00045

Measured 2d ago against content hash d5666773261d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

codex-usage scanned grade A with 0 findings 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.

The scan reads SKILL.md. This mod also ships 1 executable file (run.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/codex-usage/SKILL.md · 41 lines

What it actually says

Codex Usage

读取当前 macOS 用户的 Codex CLI 登录状态,并查询 ChatGPT Codex 订阅额度。只提供手动查询,不创建或管理定时任务。

动作

  • status:检查 ~/.codex/auth.json 是否存在、访问令牌是否仍有效、是否能取得 account ID。所有凭据均脱敏。
  • query:查询当前套餐、session/weekly 窗口、credits、spend_control、可用重置次数、额外限额、code review 限额、promo/referral 等接口字段,并返回打码后的 raw_response_redacted。

Authentication

默认读取系统当前用户的 ~/.codex/auth.json。由于 AgentDock 的 HOME 可能指向 workspace,Skill 通过系统用户数据库定位真实用户目录。可通过 CODEX_HOME 覆盖 Codex 配置目录。

Security

  • 不接受 token 作为输入。
  • 不输出 access token、refresh token、ID token、Authorization header 或真实 account ID、真实 user ID 或真实邮箱。
  • 只读认证文件,不修改 Codex 登录状态。
  • 只访问 ChatGPT Codex usage 接口。

辅助脚本执行

Skill 本体是本说明文档。确需调用包内辅助脚本时,在 Skill 包根目录使用相对路径执行;运行宿主负责切换到包根目录并把所需变量注入当前子进程。

printf '%s' '{"skill_action":"<动作>"}' | python3 run.py

输入必须是 JSON 对象。写操作仍按本文档中的确认规则执行。

动作 用途
status Check local Codex CLI login state without revealing credentials.
query Query Codex usage and expose the full redacted usage API payload plus parsed quota fields.
Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 41 lines · 26 tokens per session scan A d5666773261d

Subscribe to this mod's changes

codex-usage is a skill published in the GitHub repository uvwt/agentdock-skills (2 stars, last pushed 3d ago), licensed Apache-2.0. It adds 26 tokens to every session and 452 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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