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.

  • This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the in…

    Trust 91Quality 100design-creative
  • Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering ph…

    Trust 91Quality 100design-creative
  • Portaljs2.3K stars

    🌀 AI-native framework for building data portals. Scaffold a full portal from a brief and load datasets in mi…

    Trust 89Quality 99agent-skills

Codex, Claude Code, Cursor

Coding agent skills

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

  • Plannotator6.2K stars

    Annotate and review coding agent plans and code diffs visually, share with your team, send feedback to agents…

    Trust 89Quality 100development
  • 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

Documents and knowledge

Research and RAG skills

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

  • Memsearch2.1K stars

    A persistent, unified memory layer for all your AI agents (e.g. Claude Code, Codex), backed by Markdown and M…

    Trust 84Quality 96rag-knowledge
  • Backlog.Md5.8K stars

    Backlog.md - A tool for managing project collaboration between humans and AI Agents in a git ecosystem

    Trust 89Quality 100document-processing
  • Matrixone1.8K stars

    AI-native HTAP database with Git-for-Data and built-in vector search, serving as the data and memory backbone…

    Trust 86Quality 95rag-knowledge

Markets and quant

Finance and trading skills

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

  • Lumibot1.7K stars

    Backtestable AI trading agents and Python algorithmic trading strategies for stocks, options, crypto, futures…

    Trust 88Quality 95finance
  • Barter Rs2.2K stars

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

    Trust 88Quality 96finance
  • Vectorbt7.9K stars

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

    Trust 86Quality 96finance

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
  • Koodo Reader27K stars

    A modern ebook manager and reader with sync and backup capacities for Windows, macOS, Linux, Android, iOS and…

    Trust 91Quality 100document-processing
  • Text Grab4.8K stars

    Use OCR in Windows quickly and easily with Text Grab. With optional background process and notifications.

    Trust 88Quality 99document-processing

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
  • Reverse-lookup glossary that turns a vague description of a web animation or motion effect into its exact ter…

    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.

  • Video Use17K stars

    Edit videos with coding agents

    Trust 88Quality 100media
  • Libopenshot1.5K stars

    OpenShot Video Library (libopenshot) is a free, open-source project dedicated to delivering high quality vide…

    Trust 86Quality 94media-automation

Images, video, UI

Design and creative skills

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

  • An OBS plugin for removing background in portrait images (video), making it easy to replace the background wh…

    Trust 88Quality 99robotics-iot
  • Pyod9.9K stars

    A Python library for anomaly detection across tabular, time series, graph, text, and image data. 60+ detector…

    Trust 89Quality 100ml-automation
  • 🧑‍🏫 60+ Implementations/tutorials of deep learning papers with side-by-side notes 📝; including transformer…

    Trust 87Quality 100ml-automation

Supply tracks

Build the registry by domain, not just by count.

Coding

Coding and developer agents

248

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

248 quality248 maintained

Research

Research and knowledge work

71

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

71 quality71 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

18

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

18 quality18 maintained

Marketing

Marketing and growth automation

10

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

10 quality10 maintained

Design

Design and creative production

54

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

54 quality53 maintained

Data

Data, BI, and analytics

37

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

37 quality37 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 444 ranked candidates matching "back-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
166.1K stars79 quality87 trustReviewedClaude Code + OpenAI Agents10d 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

Laravel Backup

VERIFIEDEXCELLENT · 100TRUST · 85SAFE · REVIEWEDCODING

A package to backup your Laravel app

$ npx skills add spatie/laravel-backup
6.0K stars68 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

phpdevops
by spatieDetailsQuick view
5

Obs Backgroundremoval

VERIFIEDEXCELLENT · 99TRUST · 88SAFE · REVIEWEDDESIGN

An OBS plugin for removing background in portrait images (video), making it easy to replace the background when recording or streaming.

$ npx skills add royshil/obs-backgroundremoval
4.4K stars67 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 Multimodal media

CLI + Codex · 4 targets

c++computer-vision
by royshilDetailsQuick 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 notes28d 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

Vectorbt

EXCELLENT · 100TRUST · 77SAFE · REVIEWEDFINANCE

Fast quantitative research and backtesting workflows for financial agents.

$ npx skills add polakowo/vectorbt
5.4K stars83 quality77 trustReviewed with permission notesOpenAI Agents2mo since pushNeeds review7.0K installs
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 Finance and quant

OpenAI Agents + CLI · 4 targets

pythoncodex
by polakowoDetailsQuick 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 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
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 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
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
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
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 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
16

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

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.

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