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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.

  • Frontend Design166K stars

    Guidance for distinctive, intentional UI design, typography, visual direction, and non-template-like product…

    Trust 88Quality 100design-creative
  • Material Ui98K stars

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

    Trust 90Quality 100design-creative
  • Taste Skill: Anti-Slop Frontend70K stars

    Design and implementation guidance for distinctive landing pages, portfolios, product demos, and purposeful r…

    Trust 91Quality 100design-creative

Codex, Claude Code, Cursor

Coding agent skills

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

  • Code Review169K stars

    Review a diff separately for code standards and spec compliance.

    Trust 91Quality 100coding-agents
  • Open Design83K stars

    🎨 Local-first, open-source Claude Design alternative. 🖥️ Native desktop app. ⚡ 259+ Skills · ✨ 142+ Design…

    Trust 91Quality 100agent-skills
  • Agent Skills81K stars

    Production-grade engineering skills for AI coding agents.

    Trust 86Quality 100agent-skills

Documents and knowledge

Research and RAG skills

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

  • Html To Markdown767 stars

    High performance and CommonMark compliant HTML to Markdown converter. Maintained by the Kreuzberg team. Kreuz…

    Trust 80Quality 83rag-knowledge
  • Markitdown156K stars

    Python tool for converting files and office documents to Markdown.

    Trust 87Quality 100document-processing
  • PaddleOCR83K stars

    Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bri…

    Trust 89Quality 100document-processing

Markets and quant

Finance and trading skills

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

  • TradingAgents88K stars

    TradingAgents: Multi-Agents LLM Financial Trading Framework

    Trust 88Quality 100finance
  • Union74K stars

    The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high sec…

    Trust 91Quality 100web3-analytics
  • OpenBB70K stars

    Financial data platform for analysts, quants and AI agents.

    Trust 85Quality 100finance

Crawlers and extraction

Web scraping skills

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

  • Firecrawl139K stars

    The API to search, scrape, and interact with the web at scale. 🔥

    Trust 87Quality 100agent-frameworks
  • Crawl4AI73K stars

    Web crawling built for AI

    Trust 90Quality 100web-automation
  • Scrapling70K stars

    Adaptive web scraping for agent data collection

    Trust 85Quality 100web-automation

Slides and decks

PPT and presentation skills

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

  • Animation Vocabulary17K stars

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

    Trust 91Quality 100design-creative
  • Canvas Design166K stars

    Create original visual art, posters, PNG assets, and PDF documents through a clear design philosophy.

    Trust 87Quality 100design-creative

Prompts, B-roll, explainers

Video creation skills

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

  • MoneyPrinterTurbo89K stars

    利用AI大模型，一键生成高清短视频 Generate short videos with one click using AI LLM.

    Trust 88Quality 100automation
  • Cs Video Courses82K stars

    List of Computer Science courses with video lectures.

    Trust 85Quality 100ml-automation
  • Last30days Skill54K stars

    Agent-led recent-trends research across social, prediction markets, video, code, and the web.

    Trust 91Quality 100research

Images, video, UI

Design and creative skills

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

  • Anthropic Brand Guidelines166K stars

    Apply Anthropic official brand colors, typography, and visual standards to appropriate Anthropic-related arti…

    Trust 88Quality 100design-creative
  • Unsloth67K stars

    Unsloth Studio is a web UI for training and running open models like Gemma 4, Qwen3.6, DeepSeek, gpt-oss loca…

    Trust 90Quality 100media-automation
  • LLMs From Scratch97K stars

    Implement a ChatGPT-like LLM in PyTorch from scratch, step by step

    Trust 85Quality 100ml-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

168

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

168 quality168 maintained

Research

Research and knowledge work

81

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

81 quality76 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

13

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

13 quality13 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

46

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

46 quality46 maintained

Data

Data, BI, and analytics

31

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

31 quality31 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 357 ranked candidates matching "commonmark"

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

1

Commonmark

VERIFIEDEXCELLENT · 97TRUST · 87SAFE · REVIEWEDRESEARCH

Highly-extensible PHP Markdown parser which fully supports the CommonMark and GFM specs.

$ npx skills add thephpleague/commonmark
3.0K stars66 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 Document processing

CLI + Codex · 4 targets

phpmarkdown
by thephpleagueDetailsQuick view
2

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
3

Markdown It

VERIFIEDEXCELLENT · 100TRUST · 90SAFE · REVIEWEDRESEARCH

Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed

$ npx skills add markdown-it/markdown-it
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 Document processing

CLI + Codex · 4 targets

javascriptmarkdown
by markdown-itDetailsQuick view
4

Markdownlint

VERIFIEDEXCELLENT · 100TRUST · 87SAFE · REVIEWEDRESEARCH

A Node.js style checker and lint tool for Markdown/CommonMark files.

$ npx skills add DavidAnson/markdownlint
6.1K stars68 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 Document processing

CLI + Codex · 4 targets

javascriptmarkdown
by DavidAnsonDetailsQuick view
5

Markdig

VERIFIEDEXCELLENT · 100TRUST · 87SAFE · REVIEWEDRESEARCH

A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET

$ npx skills add xoofx/markdig
5.3K stars68 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 Document processing

CLI + Codex · 4 targets

c#markdown
by xoofxDetailsQuick view
6

Goldmark

VERIFIEDEXCELLENT · 96TRUST · 86SAFE · REVIEWEDRESEARCH

:trophy: A markdown parser written in Go. Easy to extend, standard(CommonMark) compliant, well structured.

$ npx skills add yuin/goldmark
4.9K stars65 quality86 trustReviewed4mo 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

gomarkdown
by yuinDetailsQuick view
7

Pulldown Cmark

VERIFIEDEXCELLENT · 100TRUST · 87SAFE · REVIEWEDCODING

An efficient, reliable parser for CommonMark, a standard dialect of Markdown

$ npx skills add pulldown-cmark/pulldown-cmark
2.6K stars66 quality87 trustReviewed25d 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

rustmarkdown
by pulldown-cmarkDetailsQuick view
8

Comrak

VERIFIEDEXCELLENT · 90TRUST · 82SAFE · REVIEWEDRESEARCH

CommonMark + GFM compatible Markdown parser and renderer

$ npx skills add kivikakk/comrak
1.6K stars64 quality82 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 Document processing

CLI + Codex · 4 targets

rustmarkdown
by kivikakkDetailsQuick view
9

Remarkable

VERIFIEDSTRONG · 78TRUST · 81SAFE · REVIEWEDRESEARCH

Markdown parser, done right. Commonmark support, extensions, syntax plugins, high speed - all in one. Gulp and metalsmith plugins available. Used by Facebook, Docusaurus…

$ npx skills add jonschlinkert/remarkable
5.8K stars53 quality81 trustReviewed with permission notes2y since pushNeeds review
QualitySolid option that is likely worth shortlisting for production workflows.Check: Repository looks stale
TrustGood trust signals with a few areas worth checking before rollout.Review: Repository looks stale
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Document processing

CLI + Codex · 4 targets

javascriptmarkdown
by jonschlinkertDetailsQuick view
10

Md4c

VERIFIEDEXCELLENT · 94TRUST · 87SAFE · REVIEWEDCODING

C Markdown parser. Fast. SAX-like interface. Compliant to CommonMark specification.

$ npx skills add mity/md4c
1.4K stars64 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

cmarkdown
by mityDetailsQuick view
11

Markdown Exit

VERIFIEDEXCELLENT · 94TRUST · 87SAFE · REVIEWEDRESEARCH

Fast, customizable Markdown parser and renderer with full CommonMark support. TypeScript rewrite of markdown-it with enhancements.

$ npx skills add serkodev/markdown-exit
1.4K stars64 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 Document processing

CLI + Codex · 4 targets

typescriptmarkdown
by serkodevDetailsQuick view
12

Flexmark Java

VERIFIEDPROMISING · 69TRUST · 81SAFE · REVIEWEDRESEARCH

CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DO…

$ npx skills add vsch/flexmark-java
2.6K stars51 quality81 trustReviewed with permission notes1y since pushNeeds review
QualityUseful candidate, but compare it with alternatives before adopting.Check: Repository looks stale
TrustGood trust signals with a few areas worth checking before rollout.Review: Repository looks stale
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Document processing

CLI + Codex · 4 targets

javamarkdown
by vschDetailsQuick view
13

Down

VERIFIEDPROMISING · 63TRUST · 75SAFE · EXPERIMENTALRESEARCH

Blazing fast Markdown / CommonMark rendering in Swift, built upon cmark.

$ npx skills add johnxnguyen/Down
2.5K stars51 quality75 trustExperimental3y since pushNeeds review
QualityUseful candidate, but compare it with alternatives before adopting.Check: Repository looks stale
TrustGood trust signals with a few areas worth checking before rollout.Review: License is unclear
Safety gateSparse or mixed signals. Useful for discovery, but not for autonomous installation.

Scenario Document processing

CLI + Codex · 4 targets

cmarkdown
by johnxnguyenDetailsQuick view
14

Micromark

VERIFIEDPROMISING · 68TRUST · 81SAFE · REVIEWEDRESEARCH

small, safe, and great commonmark (optionally gfm, mdx) compliant markdown parser

$ npx skills add micromark/micromark
2.2K stars50 quality81 trustReviewed with permission notes1y since pushNeeds review
QualityUseful candidate, but compare it with alternatives before adopting.Check: Repository looks stale
TrustGood trust signals with a few areas worth checking before rollout.Review: Repository looks stale
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Document processing

CLI + Codex · 4 targets

javascriptmarkdown
by micromarkDetailsQuick view
15

Markdown Rs

VERIFIEDPROMISING · 66TRUST · 79SAFE · EXPERIMENTALRESEARCH

CommonMark compliant markdown parser in Rust with ASTs and extensions

$ npx skills add wooorm/markdown-rs
1.6K stars49 quality79 trustExperimental1y since pushNeeds review
QualityUseful candidate, but compare it with alternatives before adopting.Check: Repository looks stale
TrustGood trust signals with a few areas worth checking before rollout.Review: Repository looks stale
Safety gateSparse or mixed signals. Useful for discovery, but not for autonomous installation.

Scenario Document processing

CLI + Codex · 4 targets

rustmarkdown
by wooormDetailsQuick view
16

Markdownlint Cli2

STRONG · 78TRUST · 79SAFE · EXPERIMENTALRESEARCH

A fast, flexible, configuration-based command-line interface for linting Markdown/CommonMark files with the markdownlint library

$ npx skills add DavidAnson/markdownlint-cli2
837 stars54 quality79 trustExperimental2mo since pushSafe to try
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 gateSparse or mixed signals. Useful for discovery, but not for autonomous installation.

Scenario Document processing

CLI + Codex · 4 targets

javascriptmarkdown
by DavidAnsonDetailsQuick 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