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Agent skill

Setup

by sendbird in sendbird/cc-plugin-codex

Check whether Claude Code CLI is ready in this environment and optionally toggle the turn-end review gate.

Apache-2.0Auto-check passedAgent Workflows

Install Setup

skills CLI
$ npx skills add sendbird/cc-plugin-codex --skill setup -a claude-code

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

GitHub CLI
$ gh skill install sendbird/cc-plugin-codex setup --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/sendbird/cc-plugin-codex.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/setup .claude/skills/setup && 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
setup
GitHub stars
222
Used in
2 other repos
Token cost
~469 tokens
SKILL.md length
225 words
Files
2
Skills in repo
7
Repo updated
First seen
Licence
Apache-2.0

At a glance

Check whether Claude Code CLI is ready in this environment and optionally toggle the turn-end review gate.

  • Review-gate setup requests
  • Calls node and npm
  • Tasks that involve Human-in-the-loop approvals

What it does

Setup is an agent skill from sendbird/cc-plugin-codex. Check whether Claude Code CLI is ready in this environment and optionally toggle the turn-end review gate. Args: --enable-review-gate, --disable-review-gate. Use for installation, authentication, or review-gate setup requests.

Its SKILL.md is about 470 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `agents/openai.yaml`).

It sits in Agent Workflows, covering Human-in-the-loop approvals. It works with npm. The repository describes itself as: An open-source plugin that runs inside Codex and lets you use Claude Code and Claude models for review, rescue, and tracked background workflows. The licence is Apache-2.0.

When your agent uses it

  • Review-gate setup requests
  • Tasks that involve Human-in-the-loop approvals

Example prompts

  • “/setup”

Requirements

  • Node.js

What it can do on your machine

Read from SKILL.md and the folder at commit 19e5651. 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

    Shell commands in SKILL.md call:

    • node
    • npm

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

  • Network

    No URLs in SKILL.md. Its commands use npm, 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

Setup loads about 469 tokens when it runs. Until then it costs about 58 tokens; SKILL.md has 225 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~58
When it runs · the whole SKILL.md, loaded when a task matches
~469

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); files beside SKILL.md are not scanned.

SKILL.md

The full file from sendbird/cc-plugin-codex at commit 19e5651, republished under its Apache-2.0 licence (© sendbird). 225 words, ~469 tokens.

Download SKILL.mdSave it as .claude/skills/setup/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
setup
description
Check whether Claude Code CLI is ready in this environment and optionally toggle the turn-end review gate. Args: --enable-review-gate, --disable-review-gate. Use for installation, authentication, or review-gate setup requests.

Claude Code Setup

Use this skill when the user wants to verify Claude Code readiness or toggle the review gate.

Resolve <plugin-root> as two directories above this SKILL.md file. Always run the companion from that active plugin root.

Supported arguments:

  • --enable-review-gate
  • --disable-review-gate

Workflow:

  • First run the machine-readable probe: node "<plugin-root>/scripts/claude-companion.mjs" setup --json $ARGUMENTS
  • If it reports that Claude Code is unavailable and npm is available, ask whether to install Claude Code now.
  • If the user agrees, run npm install -g @anthropic-ai/claude-code and rerun setup.
  • If Claude Code is already installed or npm is unavailable, do not ask about installation.
  • If setup reports missing native plugin hook features or hook trust, rerun setup once. The companion repairs [features].hooks and this plugin's native hook trust hashes itself.
  • If setup adds the plugin-data destination or legacy migration roots to the writable-root list, do not retry in the same Codex session. Tell the user to restart Codex and rerun the same setup command; any requested review-gate change is deliberately deferred until that restart.
  • After the decision flow is complete, run the final user-facing command without --json: node "<plugin-root>/scripts/claude-companion.mjs" setup $ARGUMENTS

Output:

  • Present the final non-JSON setup output exactly as returned by the companion.
  • Use the JSON form only for branching logic such as install or auth decisions.
  • Preserve any authentication guidance if setup reports that login is still required.

© sendbird, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file in skills/setup of sendbird/cc-plugin-codex.

  • SKILL.md
  • agents/openai.yaml

Open the folder on GitHubat commit 19e5651

Used in 2 other repositories

We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 2 other GitHub owners. This page covers the copy in sendbird/cc-plugin-codex, which our catalogue first saw on October 7, 2026.

Compare with similar skills

Setup 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.

Setup compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Setup this skillsendbird/cc-plugin-codex2222 repos~469Automated safety check: PassApache-2.0
Inngest RealtimeAsymmetric-al/core381—~5.3kAutomated safety check: NotesAGPL-3.0
MCP Server BuildershareAI-lab/learn-claude-code78k5 repos~1.2kAutomated safety check: PassMIT
Show Me Your Work Decision Logcursor/plugins10k9 repos~1.6kAutomated safety check: PassNone
Darwin Skill Optimizeralchaincyf/darwin-skill6.2k1 repos~4.7kAutomated safety check: PassMIT
CodeGraph Agent Evalcolbymchenry/codegraph73k—~950Automated safety check: PassMIT

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More from sendbird/cc-plugin-codex

  • Adversarial Review

    sendbird/cc-plugin-codex

    Run a design-challenging Claude Code review of local git changes in this repository.

    222 GitHub starsUsed in 1 repo~3.3k tokens
    Auto-check passed

  • Rescue

    sendbird/cc-plugin-codex

    Delegate a substantial diagnosis, implementation, or follow-up task to Claude Code through the tracked-job runtime.

    222 GitHub starsUsed in 1 repo~4.7k tokens
    Auto-check passed

  • Review

    sendbird/cc-plugin-codex

    Run a standard Claude Code review of local git changes in this repository.

    222 GitHub starsUsed in 1 repo~3.2k tokens
    Auto-check passed

  • Status

    sendbird/cc-plugin-codex

    Show active or recent Claude Code jobs in this repository, or detailed status for a specific job id.

    222 GitHub starsUsed in 1 repo~242 tokens
    Auto-check passed

  • Cancel

    sendbird/cc-plugin-codex

    Cancel an active tracked Claude Code job in this repository.

    222 GitHub starsUsed in 1 repo~169 tokens
    Auto-check passed

  • Result

    sendbird/cc-plugin-codex

    Show the stored final output for a finished Claude Code job in this repository.

    222 GitHub starsUsed in 1 repo~159 tokens
    Auto-check passed

Works with

Categories

Questions about Setup

What does Setup do?

Check whether Claude Code CLI is ready in this environment and optionally toggle the turn-end review gate. Setup is an agent skill from sendbird/cc-plugin-codex. Check whether Claude Code CLI is ready in this environment and optionally toggle the turn-end review gate.

When should I use Setup?

Setup fits situations like: review-gate setup requests; tasks that involve Human-in-the-loop approvals.

How do I install Setup in Claude Code?

Run `npx skills add sendbird/cc-plugin-codex --skill setup -a claude-code`. Or copy the skill folder (skills/setup in sendbird/cc-plugin-codex) into .claude/skills/setup in your project. Claude Code loads it when a task matches its description.

How do I install Setup in Codex?

Run `npx skills add sendbird/cc-plugin-codex --skill setup -a codex`. Or copy the skill folder (skills/setup in sendbird/cc-plugin-codex) into .agents/skills/setup in your project. Codex loads it when a task matches its description.

Can I use Setup 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 sendbird/cc-plugin-codex --skill setup -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/setup, .gemini/skills/setup, .github/skills/setup and .opencode/skills/setup in your project.

What does Setup need to run?

Going by SKILL.md and its folder, Setup needs the command-line tools its instructions call (node and npm). Our summary lists: Node.js.

Does Setup access the network?

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

Is Setup 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. Review the folder before installing.

What licence does Setup use?

Setup is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Setup use?

About 469 tokens (SKILL.md is roughly 1.9k 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 Setup?

Skills that share tags, products or a category with Setup: Inngest Realtime (Asymmetric-al/core, 381 stars), MCP Server Builder (shareAI-lab/learn-claude-code, 78k stars), Show Me Your Work Decision Log (cursor/plugins, 10k stars) and Darwin Skill Optimizer (alchaincyf/darwin-skill, 6.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Setup?

sendbird (a GitHub organization) maintains it in sendbird/cc-plugin-codex, which has 222 GitHub stars. The repository holds 7 skills in this directory. The repository was last updated on October 5, 2026.

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