Check Rule

Q: What is a Claude Code skill and how does the Check Rule skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Check Rule is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: general-misc · Last updated: 2026-06-13

type:audit type:review

Check a Claude Code rule library under `.claude/rules/` for path-glob validity, vague phrasing, contradictions, and oversize files. Use when the user wants to "audit rules", "review my rules", or "find conflicting rules".

About this skill (catalog notes)

Check Rule includes pricing or quota commentary; at least one code block. The SKILL.md runs to about 1,256 words, in the catalog's typical mid-range.

License: MIT
Original author: bcbeidel
Indexed lastmod: 2026-06-13
Catalog position: General · general-misc
Indexed related skills: 10

How Check Rule fits the catalog

Check Rule sits in the General category under the general-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Evaluate the quality of an existing Claude Code rule library. Three tiers, in order: deterministic format checks (no LLM), per-rule semantic checks (eight always-on dimensions in a single locked-rubric call), then cross-rule conflict detection.

What this skill does

Check Rule is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/check-rule/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user wants to "audit rules", "review my rules", or "find conflicting rules".

Who uses this skill

The Check Rule Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 116,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/check-rule
curl -L https://claudskills.com/skills/check-rule/SKILL.md \
  -o ~/.claude/skills/check-rule/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/check-rule/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/check-rule/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\check-rule\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Check Rule Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/check-rule/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Check Rule skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Check Rule skill?

Use Check Rule when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Check Rule" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Check Rule skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Check Rule is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/bcbeidel/toolkit/blob/a7b5991250ca904bac623ca1569e7ec2bf5f6451/plugins/build/skills/check-rule/SKILL.md
License: MIT
Author: bcbeidel

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

bcbeidel. (2026). Check Rule [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/check-rule/

BibTeX

@misc{check-rule-2026,
  author    = {bcbeidel},
  title     = {Check Rule [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/check-rule/}
}

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