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.

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.

  • Reka Ui6.6K stars

    An open-source UI component library for building high-quality, accessible design systems and web apps for Vue…

    Trust 89Quality 100design-creative
  • Semi Design10K stars

    🚀A modern, comprehensive, flexible design system and React UI library, AI-friendly built-in.🎨Provide 3000+…

    Trust 86Quality 99design-creative
  • Material Ui98K stars

    Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

    Trust 90Quality 100design-creative

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 86Quality 100development
  • To Spec165K stars

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

    Trust 88Quality 100coding-agents
  • Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 160,000+ scientists…

    Trust 91Quality 100data-analysis

Documents and knowledge

Research and RAG skills

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

  • Flexsearch14K stars

    Next-generation full-text search library for Browser and Node.js

    Trust 86Quality 100rag-knowledge
  • Honcho5.2K stars

    Memory library for building stateful agents

    Trust 85Quality 100rag-knowledge
  • Tantivy15K stars

    Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

    Trust 90Quality 100rag-knowledge

Markets and quant

Finance and trading skills

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

  • Vectorbt7.9K stars

    The backtesting engine that gives you an unfair advantage. Run thousands of trading ideas before others finis…

    Trust 86Quality 96finance
  • Superalgos5.6K stars

    Free, open-source crypto trading bot, automated bitcoin / cryptocurrency trading software, algorithmic tradin…

    Trust 91Quality 100finance
  • QuantLib7.2K stars

    The QuantLib C++ library

    Trust 84Quality 96finance

Crawlers and extraction

Web scraping skills

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

  • Crawlee24K stars

    Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript a…

    Trust 88Quality 100browser-automation
  • Crawlee Python9.2K stars

    Crawlee—A web scraping and browser automation library for Python to build reliable crawlers. Extract data for…

    Trust 86Quality 100browser-automation
  • Lux31K stars

    👾 Fast and simple video download library and CLI tool written in Go

    Trust 83Quality 100web-automation

Slides and decks

PPT and presentation skills

Presentation generation, editable PPTX, slide decks, speaker notes, and visual storytelling workflows.

  • Apple Design18K stars

    Apple's approach to interface design and fluid, physical motion, translated for the web. Use when building or…

    Trust 91Quality 100design-creative

Prompts, B-roll, explainers

Video creation skills

Video-generation prompts, B-roll, Vox-style explainers, camera direction, captions, and creative-production workflows.

  • PySceneDetect5.0K stars

    :movie_camera: Python and OpenCV-based scene cut/transition detection program & library.

    Trust 88Quality 99media-automation

Images, video, UI

Design and creative skills

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

  • Mlx Audio7.4K stars

    A text-to-speech (TTS), speech-to-text (STT) and speech-to-speech (STS) library built on Apple's MLX framewor…

    Trust 89Quality 100media-automation
  • Satori14K stars

    Enlightened library to convert HTML and CSS to SVG

    Trust 88Quality 100media-automation
  • Kornia11K stars

    🐍 Geometric Computer Vision Library for Spatial AI

    Trust 87Quality 100ml-automation

Supply tracks

Build the registry by domain, not just by count.

Coding

Coding and developer agents

213

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

213 quality213 maintained

Research

Research and knowledge work

77

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

77 quality77 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

16

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

16 quality16 maintained

Marketing

Marketing and growth automation

13

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

13 quality13 maintained

Design

Design and creative production

73

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

73 quality73 maintained

Data

Data, BI, and analytics

42

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

42 quality42 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

Decision filters

Choose by scenario, quality, and trust signals.

Showing 1-16 of 440 ranked candidates matching "testing-library"

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

1

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
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
165.9K stars79 quality87 trustReviewedClaude Code + OpenAI Agents9d 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

Terratest

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDCODING

Terratest is a Go library that makes it easier to write automated tests for your infrastructure code.

$ npx skills add gruntwork-io/terratest
7.9K stars69 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 Coding agents

CLI + Codex · 4 targets

goterraform
by gruntwork-ioDetailsQuick view
4

Testcontainers Java

VERIFIEDEXCELLENT · 100TRUST · 86SAFE · REVIEWEDCODING

Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that…

$ npx skills add testcontainers/testcontainers-java
8.7K stars69 quality86 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

javatesting
by testcontainersDetailsQuick view
5

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 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

typescripttesting
by appiumDetailsQuick view
6

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 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

gotesting
by keployDetailsQuick view
7

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
8

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
9

Detox

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDCODING

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

$ npx skills add wix/Detox
12.0K stars69 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
10

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 agents2mo 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
11

Karate

VERIFIEDEXCELLENT · 100TRUST · 86SAFE · REVIEWEDCODING

Test Automation Made Simple

$ npx skills add karatelabs/karate
8.9K stars69 quality86 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 karatelabsDetailsQuick view
12

Wpt

VERIFIEDEXCELLENT · 98TRUST · 84SAFE · REVIEWEDCODING

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

$ npx skills add web-platform-tests/wpt
6.0K stars68 quality84 trustReviewed with permission notesBrowser agents9d 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

Browser agents + CLI · 4 targets

htmltesting
by web-platform-testsDetailsQuick view
13

Entr

VERIFIEDEXCELLENT · 95TRUST · 83SAFE · REVIEWEDCODING

Run arbitrary commands when files change

$ npx skills add eradman/entr
5.6K stars68 quality83 trustReviewed with permission notes1mo 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

ctesting
by eradmanDetailsQuick view
14

Playwright Browser Skill

VERIFIEDEXCELLENT · 100TRUST · 86SAFE · REVIEWEDCODING

Automate a real browser from the terminal for navigation, form filling, snapshots, screenshots, extraction, and UI-flow debugging.

$ npx skills add openai/skills --skill playwright
24.0K stars91 quality86 trustReviewed with permission notesClaude Code + OpenAI Agents19d since pushSafe to try28.8K installs
QualityHigh-confidence pick with strong adoption and healthy maintenance signals.Check: Browser automation can submit data; confirm the target environment and review a…
TrustStrong OpenAgentSkill Trust Score across adoption, recent maintenance, license clarity, documentation, dependency/…Review: Browser automation can submit data; confirm the target environment and review a…
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Testing and QA

Claude Code + OpenAI Agents · 4 targets

codexclaude-codecursorplaywright
by openaiDetailsQuick view
15

Playwright

EXCELLENT · 100TRUST · 80SAFE · REVIEWEDCODING

Reliable browser automation and testing engine for web agent tasks.

$ npx skills add microsoft/playwright
76.0K stars89 quality80 trustReviewedOpenAI Agents + Browser agents2mo since pushSafe to try98.8K installs
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

OpenAI Agents + Browser agents · 4 targets

node.jspythoncodex
by microsoftDetailsQuick view
16

Crawlee

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDRESEARCH

Crawlee—A web scraping and browser automation library for Node.js to build reliable crawlers. In JavaScript and TypeScript. Extract data for AI, LLMs, RAG, or GPTs. Down…

$ npx skills add apify/crawlee
24.0K stars74 quality88 trustReviewedOpenAI Agents + Browser agents1mo 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/…
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario RAG and knowledge

OpenAI Agents + Browser agents · 4 targets

typescriptplaywright
by apifyDetailsQuick view

Page 1

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