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.
49,495 skills from 2,391 repositories · updated 8 minutes ago
48,455 skills
- second-brain-changed-my-mindundefined-ui/second-brain-osTrace where the user's recorded position on something has shifted: superseded claims, contradictions between sources of different dates, and what evidence moved them. Use this skill when the user asks what they have changed their mind about, how their thinking on a topic developed, what they used to believe, or wants a quarterly look back at their own positions. Do NOT use for finding contradictions between sources with no time dimension, or for a current-state answer.OtherNo warnings★ 1.3K↓ —
- gate-checkundefined-ui/second-brain-osFind the decisions in a pipeline that do not need the expensive model and propose the gate for each: a rule, a classic classifier, or a small model, with fail-closed routing. Use when the user asks to cut model costs or latency, says the big model handles everything, or wants a triage / routing / filter layer in front of an agent. Analysis plus an optional baseline scaffold. Do NOT use for auditing context layout (context-audit) or for building eval suites (evals-bootstrap).ProductivityNo warnings★ 1.3K↓ —
- showcase-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Showcase Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Showcase Page.OtherNo warnings★ 1.1K↓ —
- harness-auditundefined-ui/second-brain-osAudit an agent's harness against the four rings: containment, guides, sensors, permissions. Use when the user asks whether their agent setup is safe, wants a review of sandboxing / permissions / hooks / AGENTS.md guardrails, or asks what a bad session could break. Read-only: reports the blast radius and a hardening list, changes nothing. Do NOT use for context layout (context-audit) or cost routing (gate-check).EngineeringNo warnings★ 1.3K↓ —
- services-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Service Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Service Page.OtherNo warnings★ 1.1K↓ —
- download-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Download Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Download Page.OtherNo warnings★ 1.1K↓ —
- open-graphkostja94/marketing-skillsWhen the user wants to add, audit, implement, or optimize Open Graph metadata for social sharing, including og:title, og:description, og:image, og:url, Facebook previews, LinkedIn previews, or social share previews. For a full metadata lifecycle use page-metadata; for X-specific previews use twitter-cards.MediaNo warnings★ 1.1K↓ —
- glossary-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Glossary Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Glossary Page.OtherNo warnings★ 1.1K↓ —
- squadraUpdateddagoSte/squadraCoordinates work entrusted to several Codex, Claude, Cursor or mixed windows, with tasks, acknowledgements, proofs, a non-author reviewer and a persistent registry. Includes squadra dash to view the activity and squadra selftest to test the protocol. Use when the owner asks for a squad (squadra), a coordinator/builders/reviewer, resuming a squad or its dashboard; it does not impose this scheme on ordinary changes in a single window.TestingNo warnings★ 1.3K↓ —
- visual-contentkostja94/marketing-skillsWhen the user wants to plan, create, or repurpose visual content (images, infographics, social post images) across channels. Also use when the user mentions "content images," "social media images," "infographic," "visual content," "post image," "image specs," "visual repurposing," "content visuals," or "image for social post." For Pinterest, use pinterest-posts.MediaNo warnings★ 1.1K↓ —
- listkostja94/marketing-skillsDeprecated compatibility entry for List construction. This component is now maintained in Bricks; install and use component-builder to build a new List.OtherNo warnings★ 1.1K↓ —
- features-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Feature Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Feature Page.OtherNo warnings★ 1.1K↓ —
- gridkostja94/marketing-skillsDeprecated compatibility entry for Grid construction. This component is now maintained in Bricks; install and use component-builder to build a new Grid.OtherNo warnings★ 1.1K↓ —
- evals-bootstrapundefined-ui/second-brain-osScaffold a first eval suite for an agent: mine real failures into cases, write behavioural checks over traces, and generate the runner. Use when the user wants evals, regression tests for an agent, a golden set, or asks how to know a prompt/model change did not break things. Do NOT use for a single task's done-check (goal-test) or for auditing context (context-audit).TestingNo warnings★ 1.3K↓ —
- cardkostja94/marketing-skillsDeprecated compatibility entry for Card construction. This component is now maintained in Bricks; install and use component-builder to build a new Card.OtherNo warnings★ 1.1K↓ —
- pmf-strategykostja94/marketing-skillsWhen the user wants to validate product-market fit, measure PMF, or plan before scaling. Also use when the user mentions "PMF," "product-market fit," "product market fit," "Sean Ellis test," "very disappointed," "vitamin vs painkiller," "PMF validation," "premature scaling," or "validate before scale." For GTM after validation, use gtm-strategy.TestingNo warnings★ 1.1K↓ —
- cloudbase-agentTencentCloudBase/CloudBase-AI-ToolkitBuild and deploy AI agents with CloudBase Agent SDK (TypeScript & Python). Implements the AG-UI protocol for streaming agent-UI communication. Use when deploying agent servers, using LangGraph/LangChain/CrewAI adapters, building custom adapters, understanding AG-UI protocol events, or building web/mini-program UI clients. Supports both TypeScript (@cloudbase/agent-server) and Python (cloudbase-agent-server via FastAPI).DevOpsNo warnings★ 1.2K↓ —Also in 5 other repos
- ship-featurehoangsonww/Claude-Code-Agent-MonitorImplement a feature safely end-to-end in this repository. Use when adding or changing functionality across backend, frontend, or MCP with required verification and documentation updates.DesignNo warnings★ 1.1K↓ —
- xml-sitemapkostja94/marketing-skillsWhen the user wants to create, audit, or optimize sitemap.xml. Also use when the user mentions "sitemap," "sitemap.xml," "sitemap index," "lastmod," "changefreq," "priority," "URL discovery," "URL discovery for search engines," "single source of truth," "URL config," "unify sitemap IndexNow," or "reduce duplicate maintenance." For IndexNow, use indexnow.OtherNo warnings★ 1.1K↓ —
- careers-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Careers Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Careers Page.OtherNo warnings★ 1.1K↓ —
- article-page-generatorkostja94/marketing-skillsDeprecated compatibility entry for Article Page construction. This page is now maintained in Pagina; install and use page-builder to build a new Article Page.WritingNo warnings★ 1.1K↓ —
- page-metadatakostja94/marketing-skillsWhen the user wants a full-page metadata audit or implementation across discovery, search intent, title, description, canonical, robots, hreflang, Open Graph, Twitter Cards, code or CMS changes, build validation, rendered HTML, production verification, localization, or post-release observation. Also use for "metadata audit," "sitewide meta optimization," "metadata implementation," "meta robots," "hreflang," "viewport," or "charset." For an isolated title, description, heading, Open Graph, or Twitter Card task, use its specialist skill directly.MediaNo warnings★ 1.1K↓ —
- auth-web-cloudbaseTencentCloudBase/CloudBase-AI-ToolkitCloudBase Web Authentication Quick Guide for frontend integration after auth-tool has already been checked. Provides concise and practical Web authentication solutions with multiple login methods and complete user management.DesignNo warnings★ 1.2K↓ —Also in 4 other repos
- grokipedia-recommendationskostja94/marketing-skillsWhen the user wants to add recommendations, links, or content to Grokipedia. Also use when the user mentions "Grokipedia," "GEO wiki," "AI encyclopedia," "suggest Grokipedia article," "Grokipedia citation," "Grokipedia listing," "AI search citation," "GEO visibility," or "Grokipedia optimization." For multi-platform parasite SEO strategy, use parasite-seo. For broad AI search visibility, use generative-engine-optimization.MarketingNo warnings★ 1.1K↓ —
test-gap
hashgraph-online/awesome-codex-plugins
TestingUpdated 11 hours ago
From the author
Surface changed git diff lines that are not covered by tests
Install
npx skills add hashgraph-online/awesome-codex-plugins --skill test-gap -a claude-code
Installs to .claude/skills/test-gap/ · 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
Provenance78
Maintenance100
Licence100
Adoption51
Files (1)
- SKILL.md