Agent skills you can check before you install
Public SKILL.md skills from GitHub repositories with 50+ stars and from the vendors themselves, scanned and scored. Install any of them with one command in Claude Code, Cursor, Codex, GitHub Copilot or Gemini CLI.
49,493 skills from 2,391 repositories · updated 23 minutes ago
48,453 skills
- contest-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Contest Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Contest Page.OtherNo warnings★ 1.1K↓ —
- cloudformationitsmostafa/aws-agent-skillsAWS CloudFormation infrastructure as code for stack management. Use when writing templates, deploying stacks, managing drift, troubleshooting deployments, or organizing infrastructure with nested stacks.DevOpsNo warnings★ 1.2K↓ —
- create-code-appmicrosoft/power-platform-skillsCreates Power Apps code apps using React and Vite. Use when building code apps, scaffolding projects, or deploying to Power Platform.EngineeringNo warnings★ 1.1K↓ —
- startups-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Startup Program Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Startup Program Page.OtherNo warnings★ 1.1K↓ —
- hsb-appNVIDIA/skillsDiscover and run Holoscan Sensor Bridge example applications on a connected devkit. Filters available apps by the user's platform, HSB software version, board type, and sensors. Supports timed execution, failure analysis, code-edit suggestions, and iterative re-runs.WritingNo warnings★ 3.9K↓ —
- press-coverage-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Press Coverage Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Press Coverage Page.OtherNo warnings★ 1.1K↓ —
- dynamodbitsmostafa/aws-agent-skillsAWS DynamoDB NoSQL database for scalable data storage. Use when designing table schemas, writing queries, configuring indexes, managing capacity, implementing single-table design, or troubleshooting performance issues.DevOpsNo warnings★ 1.2K↓ —
- mcp-attribution-worktreeTencentCloudBase/CloudBase-AI-ToolkitTriage, repair, and close MCP attribution issues from the local report API with evidence-driven decisions and isolated Worktrunk worktrees. Use this skill when Codex needs to process `tool` attribution issues and skills-related attribution issues, inspect related runs, decide whether the issue is actionable in `mcp/src` or `config/source/skills`, update attribution fields as `owner=codex`, and then complete the fix loop through GitHub issue tracking, worktree-based code changes, PR submission, and follow-up iteration when the problem is repairable.EngineeringNo warnings★ 1.2K↓ —
- products-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Commerce Product Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Commerce Product Page.OtherNo warnings★ 1.1K↓ —
- resources-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Resource Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Resource Page.OtherNo warnings★ 1.1K↓ —
- e2e-testinghashgraph-online/awesome-codex-pluginsPlaywright E2E testing patterns, Page Object Model, configuration, CI/CD integration, artifact management, and flaky test strategies.TestingNo warnings★ 1.5K↓ —Also in 1 other repo
- indexnowkostja94/marketing-skillsWhen the user wants to implement IndexNow, notify search engines of new/updated URLs, or speed up Bing indexing. Also use when the user mentions "IndexNow," "Bing indexing," "URL notification," "instant indexing," "sitemap IndexNow sync," "share URL list with sitemap," or "IndexNow API." For sitemap SSOT, use xml-sitemap.EngineeringNo warnings★ 1.1K↓ —
- youtube-adskostja94/marketing-skillsWhen the user wants to run YouTube ads, set up TrueView or Bumper campaigns, or optimize video ad creative. Also use when the user mentions "YouTube ads," "TrueView," "Bumper ads," "YouTube Discovery," "video ads," "YouTube campaign," or "in-feed ads." For organic YouTube, use youtube-seo.MarketingNo warnings★ 1.1K↓ —
- logo-generatorkostja94/marketing-skillsDeprecated compatibility entry for Logo construction. This component is now maintained in Bricks; install and use component-builder to build a new Logo.OtherNo warnings★ 1.1K↓ —
- brand-voicehashgraph-online/awesome-codex-pluginsBuild a source-derived writing style profile from real posts, essays, launch notes, docs, or site copy, then reuse that profile across content, outreach, and social workflows. Use when the user wants voice consistency without generic AI writing tropes.WritingNo warnings★ 1.5K↓ —
- minutes-cleanupsilverstein/minutesManage old recordings — find large files, archive old meetings, delete processed originals. Use when the user says "clean up recordings", "how much space are meetings using", "delete old recordings", "archive meetings", "manage meeting storage", or asks about disk space from minutes.OtherNo warnings★ 1.6K↓ —Also in 1 other repo
- skill-authoringTencentCloudBase/CloudBase-AI-ToolkitDesign, improve, and evaluate reusable agent skills with high-quality SKILL.md files, precise trigger descriptions, progressive disclosure, and testable behavior. This skill should be used when users ask to create a new skill, rewrite or review an existing skill, audit a skill collection such as `config/source/skills` for redundancy or overlap, improve skill trigger quality, organize skill references, or evaluate whether a skill should trigger and behave correctly.DesignNo warnings★ 1.2K↓ —
- rework-loophashgraph-online/awesome-codex-pluginsStructured rework with git blame attribution for failed goal iterations. Maps failures to responsible changes and routes targeted fix briefs.EngineeringNo warnings★ 1.5K↓ —
- functionshashgraph-online/awesome-codex-pluginsBuild and prove durable studio functions for record, order, schedule and tool events, with concurrent database updates and event feeds.DataNo warnings★ 1.5K↓ —
- backlink-analysiskostja94/marketing-skillsWhen the user wants to analyze backlinks, audit link profile, or identify link issues. Also use when the user mentions "backlink analysis," "backlink audit," "referring domains," "toxic links," "link profile," or "disavow file." For acquisition, use link-building.OtherNo warnings★ 1.1K↓ —
- seohashgraph-online/awesome-codex-pluginsComprehensive SEO analysis for any website or business type. Full site audits, single-page analysis, technical SEO (crawlability, indexability, Core Web Vitals with INP), schema markup, content quality (E-E-A-T), image optimization, sitemap analysis, and GEO for AI Overviews/ChatGPT/Perplexity. Industry detection for SaaS, e-commerce, local, publishers, agencies. Triggers on: SEO, audit, schema, Core Web Vitals, sitemap, E-E-A-T, AI Overviews, GEO, technical SEO, content quality, page speed.MarketingNo warnings★ 1.5K↓ —
- shipping-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Shipping Policy Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Shipping Policy Page.OtherNo warnings★ 1.1K↓ —
- verificationhashgraph-online/awesome-codex-pluginsVerification command resolution and evidence rule for skills that run a project's tests or build before calling work done. Resolves the test and build command from project instructions, then from the stack, then to none; defines what a pass, fail, or skipped claim must quote.TestingNo warnings★ 1.5K↓ —
- add-dataversemicrosoft/power-platform-skillsUse when the user wants to add Dataverse tables (existing or new) to a Power Apps mobile app, extend an existing Dataverse table with new columns, or apply an approved data model plan.PlanningNo warnings★ 1.1K↓ —
working-effectively-with-legacy-code
ciembor/agent-rules-books
EngineeringUpdated Sep 10, 2026
From the author
Apply Michael Feathers-inspired legacy-code rules when changing hard-to-test code safely with characterization tests, seams, sprout methods, or wrap methods.
Install
npx skills add ciembor/agent-rules-books --skill working-effectively-with-legacy-code -a claude-code
Installs to .claude/skills/working-effectively-with-legacy-code/ · Each command fetches the skill straight from GitHub with the open skills CLI.
Download .zip
Byte-identical to the scanned commit, with the repository’s licence and a SOURCE.txt.
What it can touch
Instructions onlyNo network use seenLicence: MIT
Safety checks on SKILL.md
No warnings.
Why 88
Security100
Provenance82
Maintenance85
Licence100
Adoption56
Files (4)
- SKILL.md
- working-effectively-with-legacy-code.md
- working-effectively-with-legacy-code.mini.md
- working-effectively-with-legacy-code.nano.md