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.

  • 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
  • Crawlee24K stars

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

    Trust 88Quality 100browser-automation
  • Agentql1.4K stars

    AgentQL is a suite of tools for connecting your AI to the web. Featuring a query language and Playwright inte…

    Trust 85Quality 100browser-automation

Codex, Claude Code, Cursor

Coding agent skills

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

  • 编程笔记、 AI 学习、观影指南、读书笔记、生活感悟、游戏记录

    Trust 84Quality 93agent-frameworks
  • A set of ready to use Agent Skills for research, science, engineering, analysis, finance and writing.

    Trust 87Quality 100utility
  • Crawl4AI73K stars

    Web crawling built for AI

    Trust 90Quality 100web-automation

Documents and knowledge

Research and RAG skills

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

  • Genkit6.1K stars

    Open-source framework for building AI-powered apps in JavaScript, Go, and Python, built and used in productio…

    Trust 87Quality 100rag-knowledge
  • Turndown11K stars

    🛏 An HTML to Markdown converter written in JavaScript

    Trust 86Quality 100document-processing
  • Symphony2.9K stars

    🎶 一款用 Java 实现的现代化社区(论坛/问答/BBS/社交网络/博客)系统平台。A modern community (forum/Q&A/BBS/SNS/blog) system platform imple…

    Trust 88Quality 97document-processing

Markets and quant

Finance and trading skills

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

  • Ta4j2.5K stars

    A Java library for technical analysis.

    Trust 84Quality 94finance
  • Stock Sdk1.2K stars

    为前端设计的无需 Python、无需后端服务的获取股票数据 JavaScript SDK。

    Trust 85Quality 93finance
  • Ccxt43K stars

    A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go…

    Trust 90Quality 100finance

Crawlers and extraction

Web scraping skills

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

  • Webmagic12K stars

    A scalable web crawler framework for Java.

    Trust 85Quality 94web-automation
  • List of libraries, tools and APIs for web scraping and data processing.

    Trust 84Quality 96web-automation
  • Showdown15K stars

    A bidirectional Markdown to HTML to Markdown converter written in Javascript

    Trust 85Quality 95document-processing

Images, video, UI

Design and creative skills

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

  • Vuls12K stars

    Agent-less vulnerability scanner for Linux, FreeBSD, Container, WordPress, Programming language libraries, Ne…

    Trust 88Quality 100security
  • Catboost9.0K stars

    A fast, scalable, high performance Gradient Boosting on Decision Trees library, used for ranking, classificat…

    Trust 89Quality 100ml-automation
  • Vosk API15K stars

    Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node

    Trust 88Quality 100media-automation

Analysis and pipelines

Data and analytics skills

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

  • Tablesaw3.8K stars

    Java dataframe and visualization library

    Trust 86Quality 98data-analysis
  • Plotly.Js18K stars

    Open-source JavaScript charting library behind Plotly and Dash

    Trust 88Quality 100data-analysis
  • Unovis2.8K stars

    Modular data visualization framework for React, Angular, Svelte, Vue, and vanilla TypeScript or JavaScript

    Trust 87Quality 97data-analysis

SEO and content

Marketing and growth skills

SEO, content research, growth workflows, social listening, campaign analysis, and publishing helpers.

  • Skyeye1.2K stars

    智能办公OA系统[SpringBoot2-快速开发平台],适用于医院,学校,中小型企业等机构的管理。Activiti5.22+动态表单实现零java代码即可做到复杂业务的流程实施,同时包含文件在线操作、日志、考勤、CR…

    Trust 88Quality 93growth-marketing
  • Linkifyjs2.0K stars

    JavaScript plugin for finding links in plain-text and converting them to HTML <a> tags.

    Trust 87Quality 95productivity-automation
  • Mall4j5.1K stars

    ⭐️⭐️⭐️ 电商商城 小程序电商商城系统 PC商城 H5商城 APP商城 Java商城 O2O商城 跨境商城

    Trust 86Quality 100commerce-automation

Supply tracks

Build the registry by domain, not just by count.

Coding

Coding and developer agents

220

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

220 quality218 maintained

Research

Research and knowledge work

84

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

84 quality82 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

17

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

17 quality17 maintained

Marketing

Marketing and growth automation

14

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

14 quality14 maintained

Design

Design and creative production

55

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

55 quality55 maintained

Data

Data, BI, and analytics

50

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

50 quality50 maintained

Legal

Legal, policy, and compliance

11

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

11 quality11 maintained

Education

Education and tutoring

6

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

6 quality6 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 450 ranked candidates matching "java-libraries"

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

1

Useful Java Links

VERIFIEDEXCELLENT · 92TRUST · 83SAFE · REVIEWEDDESIGN

A list of useful Java frameworks, libraries, software and hello worlds examples

$ npx skills add Vedenin/useful-java-links
6.2K stars65 quality83 trustReviewed with permission notes3mo 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 Multimodal media

CLI + Codex · 4 targets

javamachine-learning
by VedeninDetailsQuick view
2

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
3

Commonmark Java

VERIFIEDEXCELLENT · 97TRUST · 86SAFE · REVIEWEDRESEARCH

Java library for parsing and rendering CommonMark (Markdown)

$ npx skills add commonmark/commonmark-java
2.7K stars66 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 Document processing

CLI + Codex · 4 targets

javamarkdown
by commonmarkDetailsQuick view
4

Playwright Java

VERIFIEDEXCELLENT · 94TRUST · 84SAFE · REVIEWEDCODING

Java version of the Playwright testing and automation library

$ npx skills add microsoft/playwright-java
1.5K stars64 quality84 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

javaplaywright
by microsoftDetailsQuick view
5

Java Client

VERIFIEDEXCELLENT · 93TRUST · 86SAFE · REVIEWEDCODING

Java language binding for writing Appium Tests, conforms to W3C WebDriver Protocol

$ npx skills add appium/java-client
1.3K stars63 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

javaautomation
by appiumDetailsQuick view
6

Sonar Java

VERIFIEDEXCELLENT · 91TRUST · 84SAFE · REVIEWEDCODING

:coffee: SonarSource Static Analyzer for Java Code Quality and Security

$ npx skills add SonarSource/sonar-java
1.2K stars63 quality84 trustReviewed with permission notes16d 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 Coding agents

CLI + Codex · 4 targets

javastatic-analysis
by SonarSourceDetailsQuick view
7

Thinking In Java MindMapping

VERIFIEDEXCELLENT · 93TRUST · 84SAFE · REVIEWEDCODING

编程笔记、 AI 学习、观影指南、读书笔记、生活感悟、游戏记录

$ npx skills add LjyYano/Thinking_in_Java_MindMapping
1.7K stars64 quality84 trustReviewed with permission notesClaude Code + OpenAI Agents23d 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 Coding agents

Claude Code + OpenAI Agents · 4 targets

pythonai-agents
by LjyYanoDetailsQuick view
8

Itext Java

VERIFIEDEXCELLENT · 97TRUST · 83SAFE · REVIEWEDRESEARCH

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high a…

$ npx skills add itext/itext-java
2.3K stars65 quality83 trustReviewed1mo 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: License is unclear
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Document processing

CLI + Codex · 4 targets

javapdf
by itextDetailsQuick view
9

Adk Java

VERIFIEDEXCELLENT · 94TRUST · 88SAFE · REVIEWEDCODING

An open-source, code-first Java toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

$ npx skills add google/adk-java
1.6K stars64 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 Coding agents

CLI + Codex · 4 targets

javamulti-agent
by googleDetailsQuick view
10

Simple Java Mail

VERIFIEDEXCELLENT · 93TRUST · 81SAFE · REVIEWEDMARKETING

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

$ npx skills add bbottema/simple-java-mail
1.3K stars63 quality81 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 Marketing and growth

CLI + Codex · 4 targets

javaemail
by bbottemaDetailsQuick view
11

Djl

VERIFIEDEXCELLENT · 100TRUST · 87SAFE · REVIEWEDDESIGN

An Engine-Agnostic Deep Learning Framework in Java

$ npx skills add deepjavalibrary/djl
4.8K stars67 quality87 trustReviewed24d 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 Multimodal media

CLI + Codex · 4 targets

javamachine-learning
by deepjavalibraryDetailsQuick view
12

Javascript

VERIFIEDEXCELLENT · 95TRUST · 85SAFE · REVIEWEDCODING

Utils library for specific Brazilian businesses

$ npx skills add brazilian-utils/javascript
1.7K stars64 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 GitHub automation

CLI + Codex · 4 targets

typescriptemail
by brazilian-utilsDetailsQuick view
13

30 Seconds Of Code

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDEDUCATION

Coding articles to level up your development skills

$ npx skills add Chalarangelo/30-seconds-of-code
128.1K stars78 quality88 trustReviewedClaude Code2mo 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 Education and tutoring

Claude Code + CLI · 4 targets

javascripteducation
by ChalarangeloDetailsQuick view
14

Material Ui

VERIFIEDEXCELLENT · 100TRUST · 90SAFE · REVIEWEDDESIGN

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

$ npx skills add mui/material-ui
98.4K stars78 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 Design and creative

CLI + Codex · 4 targets

javascriptdesign-systems
by muiDetailsQuick view
15

Web Dev For Beginners

VERIFIEDEXCELLENT · 100TRUST · 88SAFE · REVIEWEDEDUCATION

24 Lessons, 12 Weeks, Get Started as a Web Developer

$ npx skills add microsoft/Web-Dev-For-Beginners
95.9K stars78 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 Education and tutoring

CLI + Codex · 4 targets

javascripteducation
by microsoftDetailsQuick view
16

Elasticsearch

VERIFIEDEXCELLENT · 100TRUST · 85SAFE · REVIEWEDRESEARCH

Free and Open Source, Distributed, RESTful Search Engine

$ npx skills add elastic/elasticsearch
77.0K stars77 quality85 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 RAG and knowledge

CLI + Codex · 4 targets

javasearch
by elasticDetailsQuick 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.

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