claude-md-improver

claude-md-improver is a skill for Claude Code, Codex from thevibeworks/claude-code-docs. It costs 82 tokens per session (1,482 once invoked), scanned A, a copy of claude-md-improver, MIT.

A repository guide and editor for CLAUDE.md files, which give Claude Code instructions and project context. It finds these files, evaluates their quality, and can make targeted improvements after approval.

In plain words
What is it for?
Use it to find, review, report on, and improve CLAUDE.md files across a codebase.
Why use it?
It helps keep the instructions Claude Code relies on accurate and useful, including in monorepos, where one repository contains several packages or projects.

Skill for Claude CodeCodex

Part of the claude-md-management plugin — 1 skill, 1 command shipped together

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.

agentmods
npx agentmods add skills/thevibeworks/claude-code-docs/claude-md-improver
Any agent
npx skills add thevibeworks/claude-code-docs --skill claude-md-improver
Clone the repo
git clone --depth 1 https://github.com/thevibeworks/claude-code-docs

Made for: Claude Code, Codex.

Or install claude-md-management, the plugin that ships this one along with the rest of its 1 skill, 1 command.

Per session 82 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,482 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod 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 $0.00082 $0.01482
Opus 5 $0.00041 $0.00741
Sonnet 5 $0.00016 $0.00296
Haiku 4.5 $0.00008 $0.00148

Measured 3d ago against content hash b06c7420be08, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

claude-md-improver 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 3d 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.

Origin

This is a copy

100% identical to claude-md-improver — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

content/github/claude-plugins-official/plugins/claude-md-management/skills/claude-md-improver/SKILL.md · 180 lines

How it starts

The opening of the file, as written. The whole thing — 180 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md Improver

Audit, evaluate, and improve CLAUDE.md files across a codebase to ensure Claude Code has optimal project context.

This skill can write to CLAUDE.md files. After presenting a quality report and getting user approval, it updates CLAUDE.md files with targeted improvements.

Workflow

Phase 1: Discovery

Find all CLAUDE.md files in the repository:

find . -name "CLAUDE.md" -o -name ".claude.md" -o -name ".claude.local.md" 2>/dev/null | head -50

File Types & Locations:

Type Location Purpose
Project root ./CLAUDE.md Primary project context (checked into git, shared with team)
Local overrides ./.claude.local.md Personal/local settings (gitignored, not shared)
Global defaults ~/.claude/CLAUDE.md User-wide defaults across all projects
Package-specific ./packages/*/CLAUDE.md Module-level context in monorepos
Subdirectory Any nested location Feature/domain-specific context

Note: Claude auto-discovers CLAUDE.md files in parent directories, making monorepo setups work automatically.

Phase 2: Quality Assessment

For each CLAUDE.md file, evaluate against quality criteria. See references/quality-criteria.md for detailed rubrics.

Quick Assessment Checklist:

Criterion Weight Check
Commands/workflows documented High Are build/test/deploy commands present?
Architecture clarity High Can Claude understand the codebase structure?
Non-obvious patterns Medium Are gotchas and quirks documented?
Conciseness Medium No verbose explanations or obvious info?
Currency High Does it reflect current codebase state?
Actionability High Are instructions executable, not vague?

Quality Scores:

  • A (90-100): Comprehensive, current, actionable
  • B (70-89): Good coverage, minor gaps
  • C (50-69): Basic info, missing key sections
  • D (30-49): Sparse or outdated
  • F (0-29): Missing or severely outdated

Read the full file on GitHub · 180 lines

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. 3d ago First seen · 180 lines · 82 tokens per session scan A b06c7420be08

Subscribe to this mod's changes

claude-md-improver is a skill published in the GitHub repository thevibeworks/claude-code-docs (39 stars, last pushed today), licensed MIT. It adds 82 tokens to every session and 1,482 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to claude-md-improver, differing in 0 lines, and is treated as a copy.

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