agentmods.dev

mathlib-quality

mathlib-quality is a plugin for Claude Code from CBirkbeck/mathlib-quality. Its manifest loads nothing; the 2 skills, 24 commands, 2 hooks it bundles cost 1,485 tokens per session together, scanned A, original, MIT.

A plugin for Lean 4, a programming language used to write computer-checked mathematical proofs, and mathlib, its large mathematics library. It helps make proofs and related code shorter and follow mathlib's standards.

In plain words
What is it for?
Use it to prove goals, simplify or shorten Lean 4 proofs, and prepare mathlib contributions for pull requests.
Why use it?
It helps developers clean up code and proofs before submitting changes, reducing style and review issues.

Plugin for Claude Code

Written for Claude Code: a Claude Code plugin manifest.

not rated 35repo changed 5d ago A scan tokens not measured original MIT

Good fit Use it to prove goals, simplify or shorten Lean 4 proofs, and prepare mathlib contributions for pull requests.

Compare 6 plugins from other repositories ↓
Install in Claude Code
/plugin marketplace add CBirkbeck/mathlib-quality
/plugin install mathlib-quality
View source ↗ CBirkbeck/mathlib-quality
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.

Clone the repo
git clone --depth 1 https://github.com/CBirkbeck/mathlib-quality

Made for: Claude Code.

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 mathlib-quality

README.md
[![agentmods](https://agentmods.dev/badge/plugins/cbirkbeck/mathlib-quality/mathlib-quality/github.svg)](https://agentmods.dev/plugins/cbirkbeck/mathlib-quality/mathlib-quality)
Your own site
<a href="https://agentmods.dev/plugins/cbirkbeck/mathlib-quality/mathlib-quality"><img src="https://agentmods.dev/badge/plugins/cbirkbeck/mathlib-quality/mathlib-quality/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 mathlib-quality

Your own site · 80×15
<a href="https://agentmods.dev/plugins/cbirkbeck/mathlib-quality/mathlib-quality"><img src="https://agentmods.dev/badge/plugins/cbirkbeck/mathlib-quality/mathlib-quality.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 2 skills, 24 commands, 2 hooks cost 1,485 tokens a session between them.
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.
Security

Grade A, and why

mathlib-quality 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 5d 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.

.claude-plugin/plugin.json · 18 lines

What it actually says

{
  "name": "mathlib-quality",
  "version": "0.77.0",
  "description": "Prove, clean up, golf, and bring Lean 4 code up to mathlib standards",
  "author": {
    "name": "CBirkbeck"
  },
  "repository": "https://github.com/CBirkbeck/mathlib-quality",
  "license": "MIT",
  "keywords": [
    "lean4",
    "mathlib",
    "code-quality",
    "proof-golfing",
    "style"
  ]
}
Contents

What it installs

The manifest is a name and a version. 2 skills, 24 commands, 2 hooks travel with it, and installing the plugin installs all of them — 1,485 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Files

What ships with it

1 file beside plugin.json 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. 5d ago Changed b1173e89e696
  2. 6d ago Changed ccfed1bddd97
  3. 19d ago Changed 1c280e3d43b8
  4. 25d ago Changed f0a236504cf9
  5. 26d ago Changed 4e17908aabc9
  6. 1mo ago Changed · +6 lines 372332b320c7
  7. 1mo ago Changed 19ed317ca673
  8. 1mo ago First seen · 12 lines scan A 7e2acd648f62

Subscribe to this mod's changes

mathlib-quality is a plugin published in the GitHub repository CBirkbeck/mathlib-quality (35 stars, last pushed 5d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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 2026-08-30.

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