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Agent skill

Codex App Ref Refresh

by JimLiu in JimLiu/decode-codex

Refresh the local ChatGPT app reference source from the installed macOS ChatGPT.app asar.

No licenceAuto-check passedDevelopment

Install Codex App Ref Refresh

skills CLI
$ npx skills add JimLiu/decode-codex --skill codex-app-ref-refresh -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install JimLiu/decode-codex codex-app-ref-refresh --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/JimLiu/decode-codex.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/codex-app-ref-refresh .claude/skills/codex-app-ref-refresh && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
codex-app-ref-refresh
GitHub stars
132
Token cost
~875 tokens
SKILL.md length
415 words
Files
3 (incl. scripts)
Skills in repo
1
Repo updated
First seen
Licence
None found

At a glance

Refresh the local ChatGPT app reference source from the installed macOS ChatGPT.app asar.

  • Works in 2 steps: Verify the current working directory is… → Run the bundled script
  • Codex needs to get the latest installed ChatGPT app code
  • SKILL.md covers Workflow, Verify, Options and Safety
  • Runs JavaScript scripts from its folder; calls prettier, node and npx

What it does

Codex App Ref Refresh is an agent skill from JimLiu/decode-codex. Refresh the local ChatGPT app reference source from the installed macOS ChatGPT.app asar. Use when Codex needs to get the latest installed ChatGPT app code, recreate ./ref from /Applications/ChatGPT.app/Contents/Resources/app.asar, or format extracted JavaScript and CSS while excluding ref/nodemodules.

Its SKILL.md is about 880 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including scripts (for example `agents/openai.yaml`).

It sits in Development. It works with OpenAI, JavaScript, macOS and Prettier. The repository describes itself as: deobfuscate codex app code.

When your agent uses it

  • Codex needs to get the latest installed ChatGPT app code
  • Recreate ./ref from /Applications/ChatGPT.app/Contents/Resources/app.asar
  • Format extracted JavaScript and CSS while excluding ref/nodemodules

Example prompts

  • “/codex-app-ref-refresh”

Requirements

  • Node.js

Workflow steps

2 steps, taken from the first numbered list in SKILL.md.

  1. Verify the current working directory is the intended workspace.
  2. Run the bundled script

What it can do on your machine

Read from SKILL.md and the folder at commit 6fd43d6. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (JavaScript), which the agent can run.

    Shell commands in SKILL.md call:

    • prettier
    • node
    • npx

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npx, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Codex App Ref Refresh loads about 875 tokens when it runs. Until then it costs about 82 tokens; SKILL.md has 415 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~82
When it runs · the whole SKILL.md, loaded when a task matches
~875

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 415 words (~875 tokens).

“Use this skill from the repository root that should receive ./ref.”

— opening of SKILL.md by JimLiu
name
codex-app-ref-refresh

Read the full SKILL.md on GitHub

Files

SKILL.md and 2 other files (scripts) in .agents/skills/codex-app-ref-refresh of JimLiu/decode-codex.

  • SKILL.md
  • agents/openai.yaml
  • scripts/refresh-codex-ref.mjs

Open the folder on GitHubat commit 6fd43d6

Compare with similar skills

Codex App Ref Refresh next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Codex App Ref Refresh compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Codex App Ref Refresh this skillJimLiu/decode-codex132—~875Automated safety check: PassNone
JS Cpp Protocolnotepadqq/notepadqq2.3k—~3.2kAutomated safety check: PassGPL-3.0
Create SkillHyk260/PureChat5461 repos~823Automated safety check: PassMIT
Code Qualityredis/RedisInsight8.9k—~1.2kAutomated safety check: PassCustom licence
Pulse Releasequnqin24/Pulse516—~1.3kAutomated safety check: PassApache-2.0
Code Change Verificationopenai/openai-agents-python30k—~1.4kAutomated safety check: PassMIT

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Works with

Categories

Questions about Codex App Ref Refresh

What does Codex App Ref Refresh do?

Refresh the local ChatGPT app reference source from the installed macOS ChatGPT.app asar. Codex App Ref Refresh is an agent skill from JimLiu/decode-codex.app asar.

When should I use Codex App Ref Refresh?

Codex App Ref Refresh fits situations like: Codex needs to get the latest installed ChatGPT app code; recreate ./ref from /Applications/ChatGPT.app/Contents/Resources/app.asar; format extracted JavaScript and CSS while excluding ref/nodemodules.

How do I install Codex App Ref Refresh in Claude Code?

Run `npx skills add JimLiu/decode-codex --skill codex-app-ref-refresh -a claude-code`. Or copy the skill folder (.agents/skills/codex-app-ref-refresh in JimLiu/decode-codex) into .claude/skills/codex-app-ref-refresh in your project. Claude Code loads it when a task matches its description.

How do I install Codex App Ref Refresh in Codex?

Run `npx skills add JimLiu/decode-codex --skill codex-app-ref-refresh -a codex`. Or copy the skill folder (.agents/skills/codex-app-ref-refresh in JimLiu/decode-codex) into .agents/skills/codex-app-ref-refresh in your project. Codex loads it when a task matches its description.

Can I use Codex App Ref Refresh in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add JimLiu/decode-codex --skill codex-app-ref-refresh -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/codex-app-ref-refresh, .gemini/skills/codex-app-ref-refresh, .github/skills/codex-app-ref-refresh and .opencode/skills/codex-app-ref-refresh in your project.

What does Codex App Ref Refresh need to run?

Going by SKILL.md and its folder, Codex App Ref Refresh needs JavaScript for the scripts in its folder and the command-line tools its instructions call (prettier, node and npx). Our summary lists: Node.js.

Does Codex App Ref Refresh access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Codex App Ref Refresh safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Codex App Ref Refresh use?

No licence was found for Codex App Ref Refresh or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Codex App Ref Refresh use?

About 875 tokens (SKILL.md is roughly 3.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Codex App Ref Refresh?

Skills that share tags, products or a category with Codex App Ref Refresh: JS Cpp Protocol (notepadqq/notepadqq, 2.3k stars), Create Skill (Hyk260/PureChat, 546 stars), Code Quality (redis/RedisInsight, 8.9k stars) and Pulse Release (qunqin24/Pulse, 516 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Codex App Ref Refresh?

JimLiu (a GitHub user) maintains it in JimLiu/decode-codex, which has 132 GitHub stars. The repository was last updated on July 11, 2026.

Source: JimLiu/decode-codex on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.