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.
npx agentmods add skills/sendbird/cc-plugin-codex/setupnpx skills add sendbird/cc-plugin-codex --skill setupgit clone --depth 1 https://github.com/sendbird/cc-plugin-codexWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00048 | $0.00410 |
| Opus 5 | $0.00024 | $0.00205 |
| Sonnet 5 | $0.00010 | $0.00082 |
| Haiku 4.5 | $0.00005 | $0.00041 |
Grade A, and why
setup 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.
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.
What it actually says
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
npmis available, ask whether to install Claude Code now. - If the user agrees, run
npm install -g @anthropic-ai/claude-codeand rerun setup. - If Claude Code is already installed or
npmis unavailable, do not ask about installation. - If setup reports missing native plugin hook features or hook trust, rerun setup once. The companion repairs
[features].hooksand 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.
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.
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.
- 2d ago First seen · 31 lines · 48 tokens per session scan A d5b2b27a8502
setup is a skill published in the GitHub repository sendbird/cc-plugin-codex (182 stars, last pushed 2d ago), licensed Apache-2.0. It adds 48 tokens to every session and 410 once invoked, about $0.0002 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 2026-08-30.
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