rule-reviewer

rule-reviewer is a skill for Claude Code, Codex from sfc-gh-myoung/ai_coding_rules. It costs 69 tokens per session (3,628 once invoked), scanned A, original, Apache-2.0.

A tool for reviewing one rule file against a six-part checklist focused on whether an autonomous agent can follow it without guessing. It writes the review to a rule-reviews directory and uses scoring.

In plain words
What is it for?
Use it for full reviews, focused checks of one quality area, staleness checks against the codebase, schema validation, and executability analysis.
Why use it?
It exposes unclear instructions, outdated details, missing requirements, and other weaknesses in agent rules. A fixed rubric makes reviews easier to compare over time.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents.

Good fit Use it for full reviews, focused checks of one quality area, staleness checks against the codebase, schema validation, and executability analysis.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/sfc-gh-myoung/ai_coding_rules/rule-reviewer
Install

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.

Any agent
npx skills add sfc-gh-myoung/ai_coding_rules --skill rule-reviewer
Clone the repo
git clone --depth 1 https://github.com/sfc-gh-myoung/ai_coding_rules

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for rule-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/skills/sfc-gh-myoung/ai_coding_rules/rule-reviewer/github.svg)](https://agentmods.dev/skills/sfc-gh-myoung/ai_coding_rules/rule-reviewer)
Your own site
<a href="https://agentmods.dev/skills/sfc-gh-myoung/ai_coding_rules/rule-reviewer"><img src="https://agentmods.dev/badge/skills/sfc-gh-myoung/ai_coding_rules/rule-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.

agentmods 80×15 button for rule-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/skills/sfc-gh-myoung/ai_coding_rules/rule-reviewer"><img src="https://agentmods.dev/badge/skills/sfc-gh-myoung/ai_coding_rules/rule-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 69 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,628 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00069 $0.03628
Opus 5.5 $0.00028 $0.01451
Sonnet 5.5 $0.00014 $0.00726
Haiku 4.5 $0.00007 $0.00363

Measured 20d ago against content hash 854e4a458c52, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

rule-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 20d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (tests/test_gate7_integration.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/rule-reviewer/SKILL.md · 233 lines

How it starts

The opening of the file, as written. The whole thing — 233 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Rule Reviewer

Purpose

Execute comprehensive agent-centric reviews evaluating whether autonomous agents can execute rules without judgment calls.

For v4 rules, read the active schema and governance contract before applying the rubrics. Required H2 order is Scope, Contract, References, with four non-empty Contract subsections. Do not penalize omitted optional sections, fixed step/example counts, or a missing duplicate checklist. Structural checks and semantic review remain separate.

Use this skill when

  • Reviewing rule files for agent executability (FULL mode)
  • Auditing a specific dimension of a rule (FOCUSED mode)
  • Checking rule staleness against the current codebase (STALENESS mode)
  • Validating rule compliance with schema and conventions
  • Scoring rule quality against the 6-dimension rubric

Quick Start

Use the rule-reviewer skill.

target_file: rules/200-python-core.md
review_date: 2026-01-06
review_mode: FULL
model: claude-sonnet-4-6

Output: reviews/rule-reviews/200-python-core-claude-sonnet-4-6-2026-01-06.json (canonical) reviews/rule-reviews/200-python-core-claude-sonnet-4-6-2026-01-06.md (derived)

(With output_root: mytest/ → mytest/rule-reviews/200-python-core-claude-sonnet-4-6-2026-01-06.{json,md})

Scoring System (100 points)

6 scored dimensions, 100 points total. Hard caps apply for size (> 300 lines / > 350 lines) and blocking issues (≥ 6 / ≥ 10).

Quick reference:

Dimension Weight Max
Actionability 3.0 30
Rule Size 2.5 25
Parsability 1.5 15
Completeness 1.5 15
Consistency 1.0 10
Cross-Agent Consistency 0.5 5

Full scoring formula, hard-cap thresholds, per-dimension rubric file references, and example calculations: rubrics/scoring.md.

Review Modes

  • FULL: All 6 scored dimensions (100 points max)
  • FOCUSED: Actionability + Completeness only (45 points max)
  • STALENESS: Informational staleness check (not scored)

Read the full file on GitHub · 233 lines

Files

What ships with it

44 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.

Changes

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.

  1. 20d ago Changed · -155 lines 854e4a458c52
  2. 2mo ago First seen · 388 lines · 69 tokens per session scan A ba4906d0a5d2

Subscribe to this mod's changes

rule-reviewer is a skill published in the GitHub repository sfc-gh-myoung/ai_coding_rules (8 stars, last pushed 2d ago), licensed Apache-2.0. It adds 69 tokens to every session and 3,628 once invoked, about $0.0003 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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