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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.

  • 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
  • TiddlyWiki58.6K stars

    A self-contained JavaScript wiki for the browser, Node.js, AWS Lambda etc.

    Trust 82Quality 97productivity-automation

Codex, Claude Code, Cursor

Coding agent skills

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

  • Thinking In Java MindMapping1.7K stars

    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
  • Crawl4AI73K stars

    Web crawling built for AI

    Trust 90Quality 100web-automation
  • Bytecode Viewer16K stars

    A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

    Trust 89Quality 100development

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
  • Showdown15K stars

    A bidirectional Markdown to HTML to Markdown converter written in Javascript

    Trust 85Quality 95document-processing
  • OpenPDF4.3K stars

    OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as wel…

    Trust 83Quality 94document-processing

Images, video, UI

Design and creative skills

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

  • 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
  • Tfjs19K stars

    A WebGL accelerated JavaScript library for training and deploying ML models.

    Trust 87Quality 100ml-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.

  • 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
  • Simple Java Mail1.3K stars

    Simple API, Complex Emails (Jakarta Mail smtp wrapper)

    Trust 81Quality 93productivity-automation

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

223

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

223 quality221 maintained

Research

Research and knowledge work

81

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

81 quality80 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

23

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

23 quality23 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

52

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

52 quality52 maintained

Data

Data, BI, and analytics

51

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

51 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

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 452 ranked candidates matching "blockchain-java"

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

1

Chia Blockchain

VERIFIEDEXCELLENT · 100TRUST · 89SAFE · REVIEWEDDATA

Chia blockchain python implementation (full node, farmer, harvester, timelord, and wallet)

$ npx skills add Chia-Network/chia-blockchain
10.8K stars71 quality89 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 Data analysis

CLI + Codex · 4 targets

pythonblockchain
by Chia-NetworkDetailsQuick 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

Blockchain Demo

VERIFIEDEXCELLENT · 100TRUST · 87SAFE · REVIEWEDCODING

A web-based demonstration of blockchain concepts.

$ npx skills add anders94/blockchain-demo
5.7K stars68 quality87 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 GitHub automation

CLI + Codex · 4 targets

pugblockchain
by anders94DetailsQuick view
4

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
5

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
6

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
7

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
8

Besu

VERIFIEDEXCELLENT · 95TRUST · 88SAFE · REVIEWEDCODING

An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client https://wiki.hyperledger.org/display/besu

$ npx skills add besu-eth/besu
1.8K stars65 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 GitHub automation

CLI + Codex · 4 targets

javablockchain
by besu-ethDetailsQuick view
9

Blockchain Guide

VERIFIEDEXCELLENT · 96TRUST · 86SAFE · REVIEWEDFINANCE

Introduce technologies on blockchain and distributed ledger, from theory to practice with bitcoin, ethereum and hyperledger.

$ npx skills add yeasy/blockchain_guide
7.1K 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: License is unclear
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Finance and quant

CLI + Codex · 4 targets

gofintech
by yeasyDetailsQuick view
10

Ethers.Js

VERIFIEDEXCELLENT · 100TRUST · 87SAFE · REVIEWEDCODING

Complete Ethereum library and wallet implementation in JavaScript.

$ npx skills add ethers-io/ethers.js
8.7K stars69 quality87 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 GitHub automation

CLI + Codex · 4 targets

typescriptblockchain
by ethers-ioDetailsQuick view
11

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
12

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
13

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
14

Xrpl.Js

VERIFIEDEXCELLENT · 89TRUST · 83SAFE · REVIEWEDFINANCE

A JavaScript/TypeScript API for interacting with the XRP Ledger in Node.js and the browser

$ npx skills add XRPLF/xrpl.js
1.3K stars64 quality83 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: License is unclear
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Finance and quant

Browser agents + CLI · 4 targets

typescriptblockchain
by XRPLFDetailsQuick view
15

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
16

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

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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