Full Leaderboard·Data through 25 August 2026·Updated daily

Code Quality Skill Leaderboard

Ranked repositories whose primary or secondary category is Code Quality. Ordered by their overall Skill Leaderboard rank.
35kSkills tracked
325kStars gained / last 30 days
7.9kCommits / last 30 days
7.8MSKILL.md lines analyzed
RankRepositoryStars7 days30 days
1
mattpocock/skills

A set of engineering skills for domain modeling, architectural design, bug diagnosis, and specification-based code reviews.

Stars236k
7 days+6.8%+15.1k stars
30 days+24.9%+47.1k stars
4
DietrichGebert/ponytail

Audits repositories for over-engineering and aggregates shortcut comments into a technical debt ledger.

Stars110k
7 days+4.9%+5.2k stars
30 days+23.1%+20.7k stars
6
addyosmani/agent-skills

A set of structured engineering skills for AI agents covering API design, context optimization, and production-grade code quality.

Stars89.6k
7 days+1.6%+1.4k stars
30 days+11.4%+9.2k stars
41
Jeffallan/claude-skills

A set of AI skills for full-stack development, including Angular 17+ architecture, .NET Core expertise, and system design documentation.

Stars11.2k
7 days+0.9%+103 stars
30 days+4.0%+425 stars
50
tw93/Waza

A six-phase research workflow that synthesizes unfamiliar domains and source bundles into publish-ready reference material.

Stars6.9k
7 days+0.5%+35 stars
30 days+4.1%+274 stars
67
twostraws/SwiftUI-Agent-Skill

Systematic SwiftUI code review covering modern APIs, accessibility, performance, data flow, and code hygiene, with line-level fixes and a prioritized summary.

Stars4.6k
7 days+2.7%+119 stars
30 days+5.1%+223 stars
80
dmmulroy/anti-slop

Installs and configures opinionated Oxlint plugins to detect and reject low-evidence patterns in TypeScript and JavaScript repositories.

Stars3.6k
7 days+44.9%+1.1k stars
30 daysPercentage change unavailable+3.6k stars
104
addyosmani/web-quality-skills

Provides auditing and optimization skills for WCAG 2.2 accessibility, SEO visibility, and Core Web Vitals performance.

Stars2.7k
7 days+2.5%+67 stars
30 days+6.2%+157 stars
135
awesome-skills/code-review-skill

Provides code review guidance, security audits, and performance checks for multiple languages and frameworks including React 19, Vue 3, Rust, and TypeScript.

Stars1.8k
7 days+4.2%+73 stars
30 days+19.1%+290 stars
140
WorldFlowAI/everything-claude-code

Technical patterns for Node.js and React development, ClickHouse query optimization, and eval-driven development frameworks.

Stars1.7k
7 days+25.5%+344 stars
30 days+169.9%+1.1k stars
151
hyhmrright/brooks-lint

A code quality toolkit for performing architecture audits, assessing technical debt, and automating health monitoring.

Stars1.4k
7 days+2.7%+37 stars
30 daysPercentage change unavailable
158
rmyndharis/antigravity-skills

Developer skills for AI systems, data pipelines, APIs, architecture, accessibility, security, performance, and framework migration.

Stars1.4k
7 days+3.6%+48 stars
30 days+16.6%+196 stars
159
noobnooc/agent

Applies behavioral constraints to AI coding tasks to avoid superficial fixes, stale edits, and maintainability issues.

Stars1.4k
7 days0.0%0 stars
30 days+0.1%+2 stars
170
chaseai-yt/claudex-loop

Claude Code skill: four-phase plan hardening (recon, interrogate, Codex adversarial review, cross-model build & inspection) — two AI models harden your plan before a line of code exists, then swap jobs to build it. Whoever built it never grades it.

Stars1.2k
7 daysPercentage change unavailable+62 stars
30 daysPercentage change unavailable
175
BehiSecc/VibeSec-Skill

A secure coding guide for web application development and audit, covering major vulnerability classes with patterns, bypass prevention, and checklists.

Stars1.2k
7 days+1.8%+21 stars
30 days+9.8%+109 stars
180
amElnagdy/guard-skills

Five guard skills for reviewing AI-generated code, documentation, tests, WordPress plugins, and WooCommerce extensions against systematic failure modes.

Stars1.2k
7 days+1.5%+18 stars
30 days+8.0%+88 stars
183
modu-ai/moai-adk

A development harness for Claude Code featuring spec-driven workflows, quality gates, and standardized Go engineering patterns.

Stars1.2k
7 days+1.1%+13 stars
30 daysPercentage change unavailable
191
GanyuanRan/Aegis

A collection of skills for AI agents to perform anti-entropy governance, architecture brainstorming, and parallel agent dispatching.

Stars1.1k
7 days+7.5%+79 stars
30 days+41.3%+330 stars
208
agiwhitelist/auteur

A design-centric skill for creating cinematic websites and multi-screen product systems with automated visual quality gates.

Stars1k
7 days+0.7%+7 stars
30 daysPercentage change unavailable
214
Spark-To-Paper-Skills/paperjury

Adversarial courtroom review and direct editing for CS-conference papers in LaTeX or Markdown, with multi-round review, trial verdicts, and author-gated revisions.

Stars987
7 days+4.3%+41 stars
30 days+25.9%+203 stars
219
raroque/vibe-security-skill

Audits codebases for AI-introduced security issues: exposed secrets, broken access control, insecure payments, and authentication flaws in vibe-coded applications.

Stars972
7 days+1.6%+15 stars
30 days+9.8%+87 stars
262
mkosir/typescript-style-guide

A set of TypeScript conventions for naming, function design, React prop typing, and the implementation of discriminated unions.

Stars780
7 daysPercentage change unavailable+2 stars
30 daysPercentage change unavailable
284
marckohlbrugge/37signals-skills

Eight skills that codify 37signals’ opinionated Rails conventions for architecture, realtime, jobs, migrations, security, testing, and webhooks.

Stars705
7 days+0.6%+4 stars
30 days+2.3%+16 stars
294
AmazingAng/old-coder

Provides a systematic method for designing, modifying, and reviewing HTTP/JSON API endpoints, request/response shapes, and versioning strategies.

Stars678
7 days+7.6%+48 stars
30 daysPercentage change unavailable+678 stars
314
evanca/flutter-ai-rules

AI rules for Flutter development focusing on feature-first architectural patterns and WCAG accessibility standards.

Stars619
7 days+0.8%+5 stars
30 daysPercentage change unavailable
322
ksimback/tech-debt-skill

Performs a file-cited codebase audit covering nine debt dimensions, producing a report with severity, effort estimates, and a required section for false positives.

Stars587
7 days+1.0%+6 stars
30 days+8.9%+48 stars
326
ramziddin/solid-skills

Enforces TDD, SOLID, and clean code practices during coding, refactoring, and design to produce senior-engineer-quality software.

Stars573
7 days+0.5%+3 stars
30 days+2.7%+15 stars
336
levnikolaevich/claude-code-skills

A set of skills for documenting existing system architecture, building design baselines, and recording architectural decisions.

Stars549
7 days+2.0%+11 stars
30 daysPercentage change unavailable
337
HoangNguyen0403/agent-skills-standard

A library of agent skills for enforcing SOLID principles, clean code patterns, and language-specific best practices in AI-generated code.

Stars548
7 days+1.1%+6 stars
30 daysPercentage change unavailable
344
oliver-kriska/claude-elixir-phoenix

A suite of AI skills for Elixir/Phoenix development featuring A/B codex reviews for Ecto and LiveView and a plugin development workflow.

Stars531
7 days+1.5%+8 stars
30 daysPercentage change unavailable
352
twostraws/Swift-Concurrency-Agent-Skill

Reviews Swift concurrency code for actor reentrancy, structured concurrency violations, cancellation issues, and async/await pitfalls with reference-backed guidance.

Stars516
7 days+2.0%+10 stars
30 days+26.8%+109 stars
361
skydoves/compose-performance-skills

Technical skills for optimizing Jetpack Compose performance, focusing on Lazy layout stability, R8 configuration, and recomposition audits.

Stars492
7 days+1.2%+6 stars
30 daysPercentage change unavailable
362
codexstar69/bug-hunter

An adversarial code audit tool for detecting security and logic defects using deterministic risk triage and a multi-role review process.

Stars490
7 days+0.6%+3 stars
30 days+24.7%+97 stars
368
waybarrios/opencode-power-pack

A set of engineering skills for auditing AI agent security in GitHub Actions and optimizing project-rules for agent context.

Stars479
7 days+1.5%+7 stars
30 daysPercentage change unavailable
389
leonardomso/rust-skills

A comprehensive set of 265 prioritized Rust coding rules for AI agents, covering ownership, error handling, async, unsafe code, API design, memory optimization, performance, and testing, sourced from official guidelines and real-world codebases.

Stars445
7 days+6.2%+26 stars
30 days+22.9%+83 stars
401
palkan/layered-rails-skills

A Rails architecture guide for auditing layer boundaries, reviewing changes, selecting patterns, and planning gradual refactors.

Stars425
7 daysPercentage change unavailable+5 stars
30 daysPercentage change unavailable+19 stars
448
lennney/stop-that-shit

Implements boundaries for AI agents to prevent scope creep, unnecessary hashing, and speculative changes during coding tasks.

Stars375
7 days+171.7%+237 stars
30 daysPercentage change unavailable+375 stars
449
greptileai/skills

A set of skills for AI agents to analyze pull request status, resolve review comments, and verify submission requirements across multiple version control systems.

Stars375
7 days+2.5%+9 stars
30 daysPercentage change unavailable
459
briiirussell/cybersecurity-skills

A cybersecurity practice library covering audits, penetration testing, SOC operations, threat hunting, incident response, and compliance against OWASP, NIST, PCI, HIPAA, and AI RMF.

Stars365
7 days+2.8%+10 stars
30 days+56.6%+132 stars
475
agamm/claude-code-owasp

A security review skill that applies OWASP Top 10:2025, ASVS 5.0, and AI-specific security standards to code analysis.

Stars345
7 days+2.4%+8 stars
30 days+13.5%+41 stars
485
NTCoding/claude-skillz

A library of 22 skills for TDD, design review, honest communication, concise output, debugging, code organization, and task creation in AI-assisted development.

Stars338
7 days+0.6%+2 stars
30 days+7.0%+22 stars
492
athola/claude-night-market

A set of skills for detecting workflow friction and managing model escalation governance in AI agent environments.

Stars330
7 days+0.3%+1 stars
30 daysPercentage change unavailable
505
mizchi/skills

Automation tools for VLM-driven image screening, visual regression testing, and Cloudflare infrastructure deployment.

Stars321
7 days+0.3%+1 stars
30 daysPercentage change unavailable
514
Neeeophytee/finding-unknowns-skills

A set of prompting skills for identifying project blindspots and designing self-documenting interfaces for AI agents.

Stars315
7 days+1.3%+4 stars
30 daysPercentage change unavailable
533
superagents-lab/xcode27-skills

A set of engineering skills for auditing Xcode security settings, implementing C bounds-safety, and modernizing UIKit apps for SwiftUI and multi-window support.

Stars294
7 days+5.0%+14 stars
30 daysPercentage change unavailable
552
SunWeb3Sec/llm-sast-scanner

A general-purpose SAST skill for analyzing source code vulnerabilities across 34 classes using taint tracking and pattern matching.

Stars281
7 days+1.8%+5 stars
30 days+3.3%+9 stars
556
leopiney/linus-torvalds-skills

AI coding guidelines inspired by Linus Torvalds: data structure first, no speculative abstractions, testable claims, and a built-in bogus-shit detector.

Stars278
7 days+1.1%+3 stars
30 days+5.3%+14 stars
565
tanviet12/vbsec

A security scanner that detects common vulnerabilities in Go, PHP, Python, TypeScript, and .NET code with bilingual reporting.

Stars264
7 days0.0%0 stars
30 daysPercentage change unavailable
574
thoughtbot/rails-audit-thoughtbot

Analyzes Ruby on Rails applications for security, testing practices, and code design to produce a categorized audit report with severity levels.

Stars241
7 days+1.7%+4 stars
30 days+6.2%+14 stars
584
Zhen-Bo/smell-check

Conducts maintainability audits by scanning for code and test smells, measuring structure metrics, and reporting technical debt with evidence.

Stars230
7 days+3.6%+8 stars
30 daysPercentage change unavailable+21 stars