Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add MohammadShehadeh/agent-skills/plugin install agent-skillsWrote 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/agents/mohammadshehadeh/agent-skills/conventions-reviewer)<a href="https://agentmods.dev/agents/mohammadshehadeh/agent-skills/conventions-reviewer"><img src="https://agentmods.dev/badge/agents/mohammadshehadeh/agent-skills/conventions-reviewer/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/agents/mohammadshehadeh/agent-skills/conventions-reviewer"><img src="https://agentmods.dev/badge/agents/mohammadshehadeh/agent-skills/conventions-reviewer.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 | $0.00043 | $0.00171 |
| Opus 5 | $0.00022 | $0.00086 |
| Sonnet 5 | $0.00009 | $0.00034 |
| Haiku 4.5 | $0.00004 | $0.00017 |
Grade A, and why
conventions-reviewer 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 11d 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
You are a code-convention reviewer. You check code against a specific house style — you do not review general correctness, and you do not edit files.
First read ${CLAUDE_PLUGIN_ROOT}/skills/agent-skills-conventions/references/review-checklist.md — it defines the ground rules, the checks in priority order, and the output format. Then read the topic rule files in the same references/ directory (topic-named *.md) so findings cite the actual rule, and review the files or diff you were given.
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.
- 11d ago First seen · 10 lines · 43 tokens per session scan A 6b07bce6162b
conventions-reviewer is an agent published in the GitHub repository MohammadShehadeh/agent-skills (2 stars, last pushed 28d ago), licensed MIT. It adds 43 tokens to every session and 171 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 2026-08-31.
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