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AI Agent Skill Repository

AI Agent Skills Directory

Browse reusable skills for Codex, Claude Code, Cursor, finance, research, web scraping, PPT, football analytics, data, marketing, design, and more.

Finance Stock analysisQuant Trading researchSlides PPT generationDocs PDF parsingExtract Web scraping
16
Shown
10
Tracks
48
Targets
Resolve APITask in, selected skill and install plan out.Skills APIMachine-readable shortlist with trust and safety signals.llms.txtA crawler-friendly entry point for agent surfaces.

Browse by scenario

Real skills, grouped by the work your agent needs to finish.

Each directory entry links to real skill pages with GitHub adoption, trust score, install handoff, risk notes, and agent-readable metadata. Use these as starting points when you want a shortlist before asking an agent to install anything.

Design to deployment

Frontend and UI skills

Design direction, Figma implementation, UI review, React performance, browser QA, and safe preview deployments.

  • Bombadil1.3K stars

    Property-based testing for web UIs, autonomously exploring and validating correctness properties, finding har…

    Trust 85Quality 93browser-automation
  • Low Level Dev Skills139 stars

    A curated suite of AI agent skills for systems and low-level programming with C/C++, Rust, and Zig toolchains…

    Trust 83Quality 85development
  • Flagger5.4K stars

    Progressive delivery Kubernetes operator (Canary, A/B Testing and Blue/Green deployments)

    Trust 89Quality 100devops

Codex, Claude Code, Cursor

Coding agent skills

Code review, repo inspection, testing, planning, shipping, and engineering workflows for coding agents.

  • Reverse Skill6.9K stars

    Reverse Engineering / Authorized Penetration Testing / Security Research Skill Router Pack AI-powered routing…

    Trust 87Quality 100development
  • To Spec165K stars

    Synthesize settled context into a behavior-focused spec for an engineering agent.

    Trust 88Quality 100coding-agents
  • Webapp Testing165K stars

    Use Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and…

    Trust 87Quality 100browser-automation

Documents and knowledge

Research and RAG skills

Research, recent-events briefings, PDF parsing, markdown conversion, RAG ingestion, and knowledge workflows.

  • Prompttools3.0K stars

    Open-source tools for prompt testing and experimentation, with support for both LLMs (e.g. OpenAI, LLaMA) and…

    Trust 86Quality 90rag-knowledge
  • Foundation Models Framework Lab1.1K stars

    A practical lab for building, testing, and evaluating apps with Apple's Foundation Models framework.

    Trust 87Quality 93rag-knowledge
  • Malicious Pdf4.1K stars

    💀 Generate malicious PDF test files for testing phone-home callbacks, SSRF, XSS, NTLM credential theft, and…

    Trust 83Quality 99document-processing

Markets and quant

Finance and trading skills

Stock analysis, market research, quant backtesting, financial data, and investment research skills.

  • Backtesting.Py8.5K stars

    🔎 📈 🐍 💰 Backtest trading strategies in Python.

    Trust 84Quality 91finance
  • Barter Rs2.2K stars

    Open-source Rust framework for building event-driven live-trading & backtesting systems

    Trust 88Quality 96finance
  • Investing Algorithm Framework1.3K stars

    Framework for quantitative trading. Complete framework for development, backtesting, and deploying automated…

    Trust 87Quality 93finance

Crawlers and extraction

Web scraping skills

Crawling, scraping, extraction, browser automation, structured data capture, and website-to-markdown workflows.

  • Wpt6.0K stars

    Test suites for Web platform specs — including WHATWG, W3C, and others

    Trust 84Quality 98testing-qa
  • Privacytests.Org1.2K stars

    Source code for privacytests.org. Includes browser testing code and site rendering.

    Trust 82Quality 82legal-compliance
  • SeleniumBase13K stars

    SeleniumBase is a framework for UI Testing, Web Scraping, and Stealth. Passes every bot-detection test with C…

    Trust 88Quality 100testing-qa

Images, video, UI

Design and creative skills

Image, video, creative production, UI design, multimodal generation, and visual workflow skills.

  • Pentest AI Agents1.9K stars

    Turn Claude Code into your offensive security research assistant. Specialized AI subagents for authorized pen…

    Trust 84Quality 95agent-frameworks
  • Lynis16K stars

    Lynis - Security auditing tool for Linux, macOS, and UNIX-based systems. Assists with compliance testing (HIP…

    Trust 88Quality 100security
  • Vuesion2.9K stars

    Vuesion is a boilerplate that empowers product teams to build faster with modern best practices across engine…

    Trust 88Quality 100growth-marketing

Analysis and pipelines

Data and analytics skills

Data analysis, analytics, ETL, notebooks, databases, tables, charts, and reporting workflows.

  • Sqlancer1.7K stars

    Automated testing to find logic and performance bugs in database systems

    Trust 84Quality 95data-analysis
  • Testssl.Sh9.1K stars

    Testing TLS/SSL encryption anywhere on any port

    Trust 81Quality 100data-analysis
  • Langwatch3.3K stars

    The platform for LLM evaluations and AI agent testing

    Trust 86Quality 98development

Contracts and policy

Legal and compliance skills

Contract review, policy analysis, compliance research, audit support, and legal document workflows.

  • Inspec3.1K stars

    InSpec: Auditing and Testing Framework

    Trust 82Quality 92devops
  • Karate8.9K stars

    Test Automation Made Simple

    Trust 86Quality 100testing-qa
  • Zerocode1.0K stars

    zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing for microservices…

    Trust 86Quality 92automation

Popular directories

AI agent skills libraryA real library of reusable skills with trust, audit, install, and agent metadata.Open source AI agent skillsOpen-source skill candidates filtered by task fit, GitHub quality, and install safety.Best Codex skillsRepo inspection, code review, testing, web data, and safe install workflows for Codex.Best AI agent skills for stock analysisFinance and market research skills with trust, install, and maintenance signals.Best Codex skills for web scrapingCrawler and extraction skills that agents can shortlist before installing.Best Claude Code skills for PDF parsingDocument conversion, table extraction, OCR, and markdown workflows.Best AI agent skills for football analyticsMatch data, scouting, dashboards, and World Cup analytics workflows.OpenAgentSkill vs skills.shCompare task resolution, trust signals, install handoffs, and registry APIs.OpenAgentSkill vs agentskills.ioCompare directories, agent-readable metadata, audits, and discovery workflows.

Supply tracks

Build the registry by domain, not just by count.

Coding

Coding and developer agents

265

Code review, repo analysis, testing, CI, GitHub, DevOps, and developer workflow skills.

265 quality257 maintained

Research

Research and knowledge work

66

Deep research, source comparison, literature review, RAG, knowledge search, and reports.

66 quality66 maintained

Presentation

Presentation and deck workflows

1

PPTX generation, HTML slides, pitch decks, speaker notes, and presentation workflow skills.

1 quality1 maintained

Finance

Finance and quant workflows

22

Market data, SEC filings, portfolio analysis, quant research, backtesting, and risk workflows.

22 quality21 maintained

Marketing

Marketing and growth automation

11

SEO, content operations, lead generation, CRM, email automation, analytics, and growth workflows.

11 quality11 maintained

Design

Design and creative production

46

Design assets, images, video, audio, multimodal media, presentation, and creative production skills.

46 quality46 maintained

Data

Data, BI, and analytics

33

CSV, SQL, notebooks, dashboards, data pipelines, BI, ETL, and spreadsheet analysis.

33 quality33 maintained

Legal

Legal, policy, and compliance

10

Contract analysis, privacy, policy review, compliance checks, governance, and document risk review.

10 quality10 maintained

Education

Education and tutoring

5

Tutoring, course generation, quizzes, learning analytics, classrooms, and teaching workflows.

5 quality5 maintained

World Cup

Football and World Cup analytics

2

Football data, World Cup dashboards, xG, match prediction, scouting, and sports analytics.

2 quality2 maintained

High-intent entry points

Start from the task, not a keyword list.

These shortcuts use the same trust, supply, and relevance signals as the registry API, so humans and agents land on a useful shortlist faster.

Agent-readable index
FinanceStock analysisQuantTrading researchSlidesPPT generationDocsPDF parsingExtractWeb scrapingCreativeDesign workflowSportsFootball analytics

Decision filters

Choose by scenario, quality, and trust signals.

Showing 1-16 of 448 ranked candidates matching "ab-testing"

Best blend of quality, stars, freshness, and agent usage

1

Awesome Regression Testing

VERIFIEDEXCELLENT · 96TRUST · 85SAFE · REVIEWEDCODING

🕶️ A curated list of resources around the topic: visual regression testing

$ npx skills add mojoaxel/awesome-regression-testing
2.4K stars65 quality85 trustReviewed2mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustGood trust signals with a few areas worth checking before rollout.Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

CLI + Codex · 4 targets

testing
by mojoaxelDetailsQuick view
2

Webapp Testing

VERIFIEDEXCELLENT · 100TRUST · 87SAFE · REVIEWEDCODING

Use Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.

$ npx skills add anthropics/skills --skill webapp-testing
164.6K stars79 quality87 trustReviewedClaude Code + OpenAI Agents4d since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.Check: Use synthetic or approved test data; do not run destructive browser actions wit…
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Use synthetic or approved test data; do not run destructive browser actions wit…
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

Claude Code + OpenAI Agents · 4 targets

claude-codecodexcursorplaywright
by anthropicsDetailsQuick view
3

Mountebank

VERIFIEDEXCELLENT · 96TRUST · 86SAFE · REVIEWEDCODING

Over the wire test doubles

$ npx skills add mountebank-testing/mountebank
2.1K stars65 quality86 trustReviewed1mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

CLI + Codex · 4 targets

javascripttesting
by mountebank-testingDetailsQuick view
4

Tavern

VERIFIEDEXCELLENT · 93TRUST · 84SAFE · REVIEWEDCODING

A command-line tool and Python library and Pytest plugin for automated testing of RESTful APIs, with a simple, concise and flexible YAML-based syntax

$ npx skills add taverntesting/tavern
1.1K stars63 quality84 trustReviewed with permission notes2mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustGood trust signals with a few areas worth checking before rollout.Review: Documentation summary is thin
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Testing and QA

CLI + Codex · 4 targets

pythontesting
by taverntestingDetailsQuick view
5

Backtesting.Py

VERIFIEDEXCELLENT · 91TRUST · 84SAFE · REVIEWEDFINANCE

🔎 📈 🐍 💰 Backtest trading strategies in Python.

$ npx skills add kernc/backtesting.py
8.5K stars62 quality84 trustReviewed7mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustGood trust signals with a few areas worth checking before rollout.Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Finance and quant

CLI + Codex · 4 targets

pythontrading
by kerncDetailsQuick view
6

PentestingEverything

VERIFIEDEXCELLENT · 95TRUST · 83SAFE · REVIEWEDCODING

Complete Solution for VAPT/AppSec and Pentesting Guide: Web | Mobile | API | Thick Client | Source Code Review | DevSecOps | Wireless | Network Pentesting | SAST | DAST…

$ npx skills add m14r41/PentestingEverything
1.7K stars64 quality83 trustReviewed with permission notes2mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustGood trust signals with a few areas worth checking before rollout.Review: Documentation summary is thin
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Coding agents

CLI + Codex · 4 targets

shellsast
by m14r41DetailsQuick view
7

Chart Testing

VERIFIEDEXCELLENT · 97TRUST · 83SAFE · REVIEWEDCODING

CLI tool for linting and testing Helm charts

$ npx skills add helm/chart-testing
1.6K stars64 quality83 trustReviewed with permission notes22d since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustGood trust signals with a few areas worth checking before rollout.Review: Documentation summary is thin
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Coding agents

CLI + Codex · 4 targets

gokubernetes
by helmDetailsQuick view
8

Testplane

STRONG · 77TRUST · 77SAFE · REVIEWEDCODING

Testplane (ex-hermione) browser test runner based on mocha and wdio

$ npx skills add gemini-testing/testplane
827 stars54 quality77 trustReviewed with permission notesBrowser agents1mo since pushNeeds review
QualitySolid option that is likely worth shortlisting for production workflows.
TrustGood trust signals with a few areas worth checking before rollout.Review: Quality score needs review
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Testing and QA

Browser agents + CLI · 4 targets

typescripttesting
by gemini-testingDetailsQuick view
9

Appium

VERIFIEDEXCELLENT · 100TRUST · 90SAFE · REVIEWEDCODING

Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol

$ npx skills add appium/appium
21.6K stars74 quality90 trustReviewed1mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

CLI + Codex · 4 targets

typescripttesting
by appiumDetailsQuick view
10

Keploy

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDCODING

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

$ npx skills add keploy/keploy
17.6K stars73 quality88 trustReviewed1mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

CLI + Codex · 4 targets

gotesting
by keployDetailsQuick view
11

Mockito

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDCODING

Most popular Mocking framework for unit tests written in Java

$ npx skills add mockito/mockito
15.4K stars73 quality88 trustReviewed2mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

CLI + Codex · 4 targets

javatesting
by mockitoDetailsQuick view
12

Metersphere

VERIFIEDEXCELLENT · 100TRUST · 83SAFE · REVIEWEDCODING

MeterSphere 是新一代的开源持续测试工具，内置 AI 助手，让软件测试工作更简单、更高效，不再成为持续交付的瓶颈。

$ npx skills add metersphere/metersphere
13.3K stars72 quality83 trustReviewed with permission notes2mo since pushNeeds review
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustGood trust signals with a few areas worth checking before rollout.Review: License is unclear
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Testing and QA

CLI + Codex · 4 targets

javatesting
by metersphereDetailsQuick view
13

SeleniumBase

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDCODING

SeleniumBase is a framework for UI Testing, Web Scraping, and Stealth. Passes every bot-detection test with CDP Mode, and extends Playwright.

$ npx skills add seleniumbase/SeleniumBase
12.8K stars72 quality88 trustReviewedBrowser agents2mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

Browser agents + CLI · 4 targets

pythontesting
by seleniumbaseDetailsQuick view
14

Detox

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDCODING

Gray box end-to-end testing and automation framework for mobile apps

$ npx skills add wix/Detox
11.9K stars72 quality88 trustReviewed2mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

CLI + Codex · 4 targets

javascripttesting
by wixDetailsQuick view
15

Testcafe

VERIFIEDEXCELLENT · 100TRUST · 85SAFE · REVIEWEDCODING

A Node.js tool to automate end-to-end web testing.

$ npx skills add DevExpress/testcafe
9.9K stars70 quality85 trustReviewedBrowser agents1mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustGood trust signals with a few areas worth checking before rollout.Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

Browser agents + CLI · 4 targets

javascripttesting
by DevExpressDetailsQuick view
16

Karate

VERIFIEDEXCELLENT · 100TRUST · 86SAFE · REVIEWEDCODING

Test Automation Made Simple

$ npx skills add karatelabs/karate
8.9K stars69 quality86 trustReviewed1mo since pushSafe to try
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Testing and QA

CLI + Codex · 4 targets

javatesting
by karatelabsDetailsQuick view

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Showing the strongest 16 results to keep the registry fast for humans and agents. Refine by use case, platform, stars, or search query for a narrower shortlist.

Try the agent resolve API