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 skills add LaStrada/claude --skill review-with-codexgit clone --depth 1 https://github.com/LaStrada/claudeWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/lastrada/claude/review-with-codex)<a href="https://agentmods.dev/skills/lastrada/claude/review-with-codex"><img src="https://agentmods.dev/badge/skills/lastrada/claude/review-with-codex/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/lastrada/claude/review-with-codex"><img src="https://agentmods.dev/badge/skills/lastrada/claude/review-with-codex.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00177 | $0.01060 |
| Opus 5.5 | $0.00071 | $0.00424 |
| Sonnet 5.5 | $0.00035 | $0.00212 |
| Haiku 4.5 | $0.00018 | $0.00106 |
Grade A, and why
review-with-codex 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 2mo 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.
How it starts
The opening of the file, as written. The whole thing — 80 lines — stays where its author put it; the contents beside it link to each section on GitHub.
review-with-codex
Send a diff to OpenAI's Codex CLI for a second-opinion review, then relay findings.
Non-negotiable rules
- Public repos only. Run the gate (below) before anything. Any result other than
PUBLICis a hard refusal — no overrides, no "just this once." - Read-only sandbox. Always pass
-s read-onlytocodex exec. Never--full-auto,--sandbox workspace-write, or--dangerously-bypass-approvals-and-sandbox. - Confirm upload first. On the first call in a session, tell the user what will be sent (branch, file count, +X/-Y) and wait for confirmation.
- Relay, don't agree. Present as "Codex says:" with a one-line triage (genuine / off / needs-verify) after. The user decides.
- Non-interactive only.
codex execorcodex review. Never start an interactive session. - Refuse on sensitive paths even in a public repo. If the diff touches
secrets.properties,.env,*.p12,*.keystore,GoogleService-Info.plist,google-services.json, or anything matching*secret*/*credential*/*token*— refuse and warn. Their presence in a public repo is itself a problem.
Public-repo gate
Run this first, fail closed on any error:
VISIBILITY=$(gh repo view --json visibility --jq .visibility 2>&1) || VISIBILITY="ERROR: $VISIBILITY"
Accept exact PUBLIC only. Anything else (PRIVATE, INTERNAL, ERROR: …, empty) → refuse:
I can't run Codex on this repo — the public-repo gate failed (
<result>). Codex uploads the diff to OpenAI, and per your standing rule this skill only runs on public GitHub repos. Tryreview-with-geminiorreview/code-reviewinstead.
Default invocation
BRANCH=$(git rev-parse --abbrev-ref HEAD)
BASE=$(git remote show origin 2>/dev/null | awk '/HEAD branch/ {print $NF}')
BASE_SHA=$(git merge-base "$BASE" HEAD)
git diff --stat "$BASE_SHA..HEAD"
Tell the user: N files changed, +X/-Y lines. Branch <branch> vs <base>. OK to send to Codex?
Then:
codex exec -s read-only "Review the changes in this branch vs $BASE_SHA.
Focus on:
- Correctness bugs and logic errors
- Race conditions / concurrency issues
- Silent failures / swallowed errors
- Missing edge cases
- API misuse
Do NOT comment on formatting/naming/comments unless something is actually wrong.
Be terse. 'bug:' for confident, 'might:' for speculative. Under 500 words." 2>&1 | tail -200
What ships with it
4 files 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.
- 2mo ago First seen · 80 lines · 177 tokens per session scan A e32a0edba4e9
review-with-codex is a skill published in the GitHub repository LaStrada/claude (2 stars, last pushed 4mo ago), licensed MIT. It adds 177 tokens to every session and 1,060 once invoked, about $0.0007 per session on Opus 5.5. 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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