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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 Design164K stars

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

    Trust 88Quality 100design-creative
  • Dokploy36K stars

    Open Source Alternative to Vercel, Netlify and Heroku.

    Trust 85Quality 100devops
  • Voxtype844 stars

    Voice-to-text with push-to-talk for Wayland compositors

    Trust 79Quality 78media-automation

Codex, Claude Code, Cursor

Coding agent skills

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

  • Chwezi Dev Engine21 stars

    170+ Claude Code / Codex skills. Production-grade skills system for web apps & mobile architecture, APIs, dat…

    Trust 76Quality 65coding-agents
  • Code Review169K stars

    Review a diff separately for code standards and spec compliance.

    Trust 91Quality 100coding-agents
  • Agent Skills80K 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.

  • Kramdown1.8K stars

    kramdown is a fast, pure Ruby Markdown superset converter, using a strict syntax definition and supporting se…

    Trust 82Quality 83document-processing
  • Ruby Llm4.0K stars

    One delightful Ruby framework for every major AI provider. Build AI agents, chatbots, RAG apps, and multimoda…

    Trust 88Quality 98rag-knowledge
  • Jekyll51K stars

    :globe_with_meridians: Jekyll is a blog-aware static site generator in Ruby

    Trust 87Quality 100document-processing

Markets and quant

Finance and trading skills

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

  • Robinhood On Rails150 stars

    A web dashboard for the free trading platform Robinhood using Ruby on Rails and a private API

    Trust 69Quality 42finance
  • Senpi Skills107 stars

    Open-source AI agent skills + 80+ strategy templates for autonomous trading on Hyperliquid — build, deploy, a…

    Trust 84Quality 86finance-quant
  • Double Entry460 stars

    A double-entry accounting system for Ruby applications.

    Trust 74Quality 64finance

Crawlers and extraction

Web scraping skills

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

  • Kimuraframework1.1K stars

    Write web scrapers in Ruby using a clean, AI-assisted DSL. Kimurai uses AI to figure out where the data lives…

    Trust 81Quality 92web-automation
  • Nokolexbor410 stars

    High-performance HTML5 parser for Ruby based on Lexbor, with support for both CSS selectors and XPath.

    Trust 71Quality 66web-automation
  • Spidr836 stars

    A versatile Ruby web spidering library that can spider a site, multiple domains, certain links or infinitely.…

    Trust 78Quality 67web-automation

Slides and decks

PPT and presentation skills

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

  • Reveal Ck202 stars

    Create slides with ruby (and usually in markdown)

    Trust 72Quality 64document-processing

Prompts, B-roll, explainers

Video creation skills

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

  • 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.

  • Cypress Playwright On Rails453 stars

    Use cypress.io or playwright.dev with your rails application. This Ruby gem lets you use your regular Rails t…

    Trust 77Quality 75browser-automation
  • Property Web Builder621 stars

    Create a fully featured real estate website on Rails in minutes! ⛺

    Trust 79Quality 76growth-marketing
  • 37signals Skills630 stars

    Unofficial agent skills + reference guide that teach AI coding assistants to write Rails the 37signals way —…

    Trust 77Quality 71agent-skills

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

222

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

215 quality207 maintained

Research

Research and knowledge work

79

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

78 quality75 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.

15 quality14 maintained

Marketing

Marketing and growth automation

16

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

15 quality14 maintained

Design

Design and creative production

45

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

45 quality44 maintained

Data

Data, BI, and analytics

46

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

43 quality38 maintained

Legal

Legal, policy, and compliance

12

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

12 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

3

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 435 ranked candidates matching "ruby-on-rails"

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

1

Claude Code Rails Upgrade Skill

STRONG · 74TRUST · 76SAFE · REVIEWEDCODING

A Claude Code Skill to Upgrade Rails

$ npx skills add ombulabs/claude-code_rails-upgrade-skill
346 stars51 quality76 trustReviewed with permission notesClaude Code1mo since pushNeeds review
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 gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.

Claude Code + CLI · 4 targets

rubyclaude-code
by ombulabsDetailsQuick view
2

Premailer Rails

VERIFIEDPROMISING · 67TRUST · 78SAFE · REVIEWEDCODING

CSS styled emails without the hassle.

$ npx skills add fphilipe/premailer-rails
1.8K stars49 quality78 trustReviewed with permission notes2y 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 GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.

CLI + Codex · 4 targets

rubyemail
by fphilipeDetailsQuick view
3

Cypress Playwright On Rails

STRONG · 75TRUST · 77SAFE · REVIEWEDCODING

Use cypress.io or playwright.dev with your rails application. This Ruby gem lets you use your regular Rails test setup and clean-up, such as FactoryBot.

$ npx skills add shakacode/cypress-playwright-on-rails
453 stars52 quality77 trustReviewed with permission notesBrowser agents1mo since pushNeeds review
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 gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Testing and QA · I need my agent to test a web app, reproduce bugs, and verify fixes.

Browser agents + CLI · 4 targets

htmlplaywright
by shakacodeDetailsQuick view
4

Sublime Rails Snippets

NEEDS REVIEW · 41TRUST · 65SAFE · BLOCKEDCODING

Sublime Text snippets for the latest Ruby and Rails versions

$ npx skills add tadast/sublime-rails-snippets
393 stars37 quality65 trustBlocked for auto-install9y since pushRisky
QualityInspect the repository carefully before adding it to an agent workflow.Check: Repository looks stale
TrustPotentially useful, but at least one trust signal needs human inspection.Review: License is unclear
Safety gateThis skill should not be selected by an agent without explicit human security review.

Scenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.

CLI + Codex · 4 targets

htmlproductivity
by tadastDetailsQuick view
5

Ruby Llm Agents

PROMISING · 66TRUST · 79SAFE · REVIEWEDCODING

A Rails agent framework for RubyLLM — define AI agents with prompts, schemas, caching, logging, cost tracking, and a built-in dashboard for monitoring LLM usage in produ…

$ npx skills add adham90/ruby_llm-agents
130 stars46 quality79 trustReviewed with permission notes2mo since pushNeeds review
QualityUseful candidate, but compare it with alternatives before adopting.
TrustGood trust signals with a few areas worth checking before rollout.Review: Quality score needs review
Safety gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.

CLI + Codex · 4 targets

rubyllm
by adham90DetailsQuick view
6

Prawn Rails

PROMISING · 59TRUST · 72SAFE · EXPERIMENTALRESEARCH

Prawn Handler for Rails. Handles and registers pdf formats.

$ npx skills add cortiz/prawn-rails
156 stars42 quality72 trustExperimental7mo since pushNeeds review
QualityUseful candidate, but compare it with alternatives before adopting.
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 · I need my agent to read PDFs, extract tables, and turn documents into structured data.

CLI + Codex · 4 targets

rubypdf
by cortizDetailsQuick view
7

Rubycritic

VERIFIEDEXCELLENT · 98TRUST · 85SAFE · REVIEWEDCODING

A Ruby code quality reporter

$ npx skills add whitesmith/rubycritic
3.5K stars67 quality85 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: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.

CLI + Codex · 4 targets

rubystatic-analysis
by whitesmithDetailsQuick view
8

Real World Rails

STRONG · 75TRUST · 76SAFE · EXPERIMENTALCODING

200+ production open source Rails apps & engines in one repo. Search across real codebases with AI agents to research architectural patterns.

$ npx skills add steveclarke/real-world-rails
526 stars53 quality76 trustExperimental1mo since pushNeeds review
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 Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.

CLI + Codex · 4 targets

shellai-agents
by steveclarkeDetailsQuick view
9

Motor Admin Rails

STRONG · 71TRUST · 78SAFE · REVIEWEDDATA

Low-code Admin panel and Business intelligence Rails engine. No DSL - configurable from the UI. Rails Admin, Active Admin, Blazer modern alternative.

$ npx skills add motor-admin/motor-admin-rails
839 stars47 quality78 trustReviewed with permission notes6mo since pushNeeds review
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 gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Data analysis · I need my agent to analyze CSV data, produce insights, and explain trends.

CLI + Codex · 4 targets

rubysql
by motor-adminDetailsQuick view
10

Activerecord Sqlserver Adapter

STRONG · 78TRUST · 78SAFE · REVIEWEDDATA

SQL Server Adapter For Rails

$ npx skills add rails-sqlserver/activerecord-sqlserver-adapter
982 stars55 quality78 trustReviewed with permission notes1mo 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 gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Database and SQL · I need my agent to inspect database schemas, write SQL, and explain query results.

CLI + Codex · 4 targets

rubysql
by rails-sqlserverDetailsQuick view
11

Playwright Ruby Client

STRONG · 72TRUST · 75SAFE · REVIEWEDCODING

Playwright client for Ruby

$ npx skills add YusukeIwaki/playwright-ruby-client
490 stars50 quality75 trustReviewed with permission notesBrowser agents2mo since pushNeeds review
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 gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario Testing and QA · I need my agent to test a web app, reproduce bugs, and verify fixes.

Browser agents + CLI · 4 targets

rubyplaywright
by YusukeIwakiDetailsQuick view
12

Puppeteer Ruby

STRONG · 70TRUST · 75SAFE · REVIEWEDCODING

A Ruby port of Puppeteer

$ npx skills add YusukeIwaki/puppeteer-ruby
325 stars48 quality75 trustReviewed with permission notesBrowser agents2mo since pushNeeds review
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 gateUsable candidate, but the agent should surface permission and audit notes before installation.

Scenario GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.

Browser agents + CLI · 4 targets

rubypuppeteer
by YusukeIwakiDetailsQuick view
13

Sendgrid Ruby

NEEDS REVIEW · 48TRUST · 72SAFE · EXPERIMENTALCODING

The Official Twilio SendGrid Led, Community Driven Ruby API Library

$ npx skills add sendgrid/sendgrid-ruby
638 stars38 quality72 trustExperimental2y since pushNeeds review
QualityInspect the repository carefully before adding it to an agent workflow.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 GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.

CLI + Codex · 4 targets

rubyemail
by sendgridDetailsQuick view
14

Ruby Terraform

PROMISING · 69TRUST · 75SAFE · EXPERIMENTALCODING

A simple Ruby wrapper for invoking terraform commands.

$ npx skills add infrablocks/ruby_terraform
112 stars48 quality75 trustExperimental1mo since pushNeeds review
QualityUseful candidate, but compare it with alternatives before adopting.
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 GitHub automation · I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.

CLI + Codex · 4 targets

rubyterraform
by infrablocksDetailsQuick view
15

Brakeman

VERIFIEDEXCELLENT · 96TRUST · 84SAFE · REVIEWEDCODING

A static analysis security vulnerability scanner for Ruby on Rails applications

$ npx skills add presidentbeef/brakeman
7.2K stars69 quality84 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 Coding agents · I need a coding agent that can understand a repository, edit code, and review pull requests.

CLI + Codex · 4 targets

rubystatic-analysis
by presidentbeefDetailsQuick view
16

Ruby Llm

VERIFIEDEXCELLENT · 98TRUST · 88SAFE · REVIEWEDRESEARCH

One delightful Ruby framework for every major AI provider. Build AI agents, chatbots, RAG apps, and multimodal workflows in beautiful, expressive code.

$ npx skills add crmne/ruby_llm
4.0K stars67 quality88 trustReviewedClaude Code + OpenAI 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/…Review: Documentation summary is thin
Safety gateGood audit and safety signals with no high-risk permission hints in public metadata.

Scenario RAG and knowledge · I need my agent to build a RAG workflow over documents and retrieve reliable context.

Claude Code + OpenAI Agents · 4 targets

rubyembeddings
by crmneDetailsQuick 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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